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I posted a questionquestion earlier that was almost immediately deleted due to off topic. While the question does originate from a home environment, I suspect a Verizon backbone connectivity issue is HARDLY in the realm of Super User's "home networking". Would it make it better if I said I couldn't reach the website from a behind a corporate network? I don't know. Networking Engineering seems geared towards ISP operation and looks completely allergic to anything with the word home / residential. I'm sorry if I posted in the wrong page, but is this question really considered off-topic here as well? If so, where do I ask?

I posted a question earlier that was almost immediately deleted due to off topic. While the question does originate from a home environment, I suspect a Verizon backbone connectivity issue is HARDLY in the realm of Super User's "home networking". Would it make it better if I said I couldn't reach the website from a behind a corporate network? I don't know. Networking Engineering seems geared towards ISP operation and looks completely allergic to anything with the word home / residential. I'm sorry if I posted in the wrong page, but is this question really considered off-topic here as well? If so, where do I ask?

I posted a question earlier that was almost immediately deleted due to off topic. While the question does originate from a home environment, I suspect a Verizon backbone connectivity issue is HARDLY in the realm of Super User's "home networking". Would it make it better if I said I couldn't reach the website from a behind a corporate network? I don't know. Networking Engineering seems geared towards ISP operation and looks completely allergic to anything with the word home / residential. I'm sorry if I posted in the wrong page, but is this question really considered off-topic here as well? If so, where do I ask?

replaced http://superuser.com/ with https://superuser.com/
Source Link

Reposted from Super UserReposted from Super User

I am not able to get on Verizon Wireless's website http://www.verizonwireless.com/ from any computer on my LAN. Chrome and Firefox just return with a connection timed out. However, the name resolves fine and other websites work. I CAN reach it from my phone (4G) or from another location through a VPN. To troubleshoot, I did a traceroute from the VPN, which returned:

$ sudo nmap -sS -Pn --traceroute www.verizonwireless.com

Starting Nmap 5.51 ( http://nmap.org ) at 2015-10-10 21:00 CDT
Nmap scan report for www.verizonwireless.com (162.115.18.200)
Host is up (0.049s latency).
rDNS record for 162.115.18.200: cascrmdinet51-ns-www.verizonwireless.com
Not shown: 998 filtered ports
PORT    STATE SERVICE
80/tcp  open  http
443/tcp open  https

TRACEROUTE (using port 443/tcp)
HOP RTT      ADDRESS
1   0.17 ms  --
2   0.62 ms  --
3   0.81 ms  --
4   1.40 ms  --
5   1.83 ms  --
6   2.63 ms  xe-10-3-0-126.bar2.Houston1.Level3.net (4.59.129.81)
7   ... 8
9   6.98 ms  verizon-level3-2x10g.dallas3.level3.net (4.68.62.166)
10  ...
11  46.29 ms gigabitethernet6-0-0.gw10.sac1.alter.net (152.63.48.97)
12  47.22 ms vzw-gw.customer.alter.net (157.130.202.46)
13  ... 15
16  48.75 ms cascrmdinet51-ns-www.verizonwireless.com (162.115.18.200)

Nmap done: 1 IP address (1 host up) scanned in 16.67 seconds

But if I run it from my computer:

C:\Program Files (x86)\Nmap>nmap -sS -Pn --traceroute www.verizonwireless.com

Starting Nmap 6.49BETA5 ( https://nmap.org ) at 2015-10-10 21:00 Central Daylight Time
Nmap scan report for www.verizonwireless.com (162.115.18.200)
Host is up.
rDNS record for 162.115.18.200: cascrmdinet51-ns-www.verizonwireless.com
All 1000 scanned ports on www.verizonwireless.com (162.115.18.200) are filtered

TRACEROUTE (using proto 1/icmp)
HOP RTT      ADDRESS
1   0.00 ms  --
2   15.00 ms --
3   16.00 ms --
4   18.00 ms --
5   24.00 ms hu-3-7-0-0-cr01.dallas.tx.ibone.comcast.net (68.86.91.249)
6   23.00 ms be-17-pe02.1950stemmons.tx.ibone.comcast.net (68.86.83.122)
7   24.00 ms 66.208.229.170
8   ...
9   60.00 ms GigabitEthernet6-0-0.GW10.SAC1.ALTER.NET (152.63.48.97)
10  ... 27
28  56.00 ms vzw-gw.customer.alter.net (157.130.202.46)
29  ... 30

Nmap done: 1 IP address (1 host up) scanned in 212.61 seconds

... it never reaches the website (cascrmdinet51-ns-www.verizonwireless.com (162.115.18.200)). Is something behind vzw-gw.customer.alter.net (157.130.202.46) blocking my connections?

--- EDIT 1---

I have tried bypassing my router entirely by connecting my computer directly to the modem. My computer currently has my public IP address, which hasn't changed, (after spoofing my modem's MAC address) and is still unable to reach www.verizonwireless.com. I cannot change my IP address even after a

ipconfig /release
net stop dhcp
net start dhcp
ipconfig /renew

and deleting the DHCP lease from the registry. I'm guessing this is normal operation since the lease is still valid on Comcast's side? The only other way would be for me to call Comcast and associate a different MAC address, but I'd definitely like to avoid that if possible. Both Comcast's and VZW's support have been unable to help so far. :(

--- EDIT 2 ---

After poking around some more, I'm guessing that the last device my packets see before they're lost forever (vzw-gw.customer.alter.net (157.130.202.46)) is probably a Cisco switch:

C:\Program Files (x86)\Nmap>nmap.exe -A -T4 -P0 -p0- 157.130.202.46
[...]
Device type: broadband router|router|switch|WAP
Running: Cisco embedded, Cisco IOS 12.X|15.X
OS CPE: cpe:/o:cisco:ios:12.2 cpe:/h:cisco:870_router cpe:/o:cisco:ios:12 cpe:/h:cisco:2960_switch

cpe:/h:cisco:aironet_ap1250 cpe:/o:cisco:ios:12.4 cpe:/h:cisco:catalyst_7200 cpe:/o:cisco:ios:15 OS details: Cisco 827H ADSL router (IOS 12.2), Cisco 870 router or 2960 switch (IOS 12.2 - 12.4), Cisco Aironet 1250 WAP (IOS 12.4), Cisco C7200 router (IOS 15) Network Distance: 10 hops [...]

It also seems to act inconsistently, dropping MOST pings, but replying to others:

$ ping verizonwireless.com
PING verizonwireless.com (162.115.16.90) 56(84) bytes of data.
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=54 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=233 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=234 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=336 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=409 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=410 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=520 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=593 Packet filtered

--- EDIT 3 ---

Looks like I'm not the only one...

Unfortunately, that thread was back from 2013 doesn't look like it was ever resolved.

Reposted from Super User

I am not able to get on Verizon Wireless's website http://www.verizonwireless.com/ from any computer on my LAN. Chrome and Firefox just return with a connection timed out. However, the name resolves fine and other websites work. I CAN reach it from my phone (4G) or from another location through a VPN. To troubleshoot, I did a traceroute from the VPN, which returned:

$ sudo nmap -sS -Pn --traceroute www.verizonwireless.com

Starting Nmap 5.51 ( http://nmap.org ) at 2015-10-10 21:00 CDT
Nmap scan report for www.verizonwireless.com (162.115.18.200)
Host is up (0.049s latency).
rDNS record for 162.115.18.200: cascrmdinet51-ns-www.verizonwireless.com
Not shown: 998 filtered ports
PORT    STATE SERVICE
80/tcp  open  http
443/tcp open  https

TRACEROUTE (using port 443/tcp)
HOP RTT      ADDRESS
1   0.17 ms  --
2   0.62 ms  --
3   0.81 ms  --
4   1.40 ms  --
5   1.83 ms  --
6   2.63 ms  xe-10-3-0-126.bar2.Houston1.Level3.net (4.59.129.81)
7   ... 8
9   6.98 ms  verizon-level3-2x10g.dallas3.level3.net (4.68.62.166)
10  ...
11  46.29 ms gigabitethernet6-0-0.gw10.sac1.alter.net (152.63.48.97)
12  47.22 ms vzw-gw.customer.alter.net (157.130.202.46)
13  ... 15
16  48.75 ms cascrmdinet51-ns-www.verizonwireless.com (162.115.18.200)

Nmap done: 1 IP address (1 host up) scanned in 16.67 seconds

But if I run it from my computer:

C:\Program Files (x86)\Nmap>nmap -sS -Pn --traceroute www.verizonwireless.com

Starting Nmap 6.49BETA5 ( https://nmap.org ) at 2015-10-10 21:00 Central Daylight Time
Nmap scan report for www.verizonwireless.com (162.115.18.200)
Host is up.
rDNS record for 162.115.18.200: cascrmdinet51-ns-www.verizonwireless.com
All 1000 scanned ports on www.verizonwireless.com (162.115.18.200) are filtered

TRACEROUTE (using proto 1/icmp)
HOP RTT      ADDRESS
1   0.00 ms  --
2   15.00 ms --
3   16.00 ms --
4   18.00 ms --
5   24.00 ms hu-3-7-0-0-cr01.dallas.tx.ibone.comcast.net (68.86.91.249)
6   23.00 ms be-17-pe02.1950stemmons.tx.ibone.comcast.net (68.86.83.122)
7   24.00 ms 66.208.229.170
8   ...
9   60.00 ms GigabitEthernet6-0-0.GW10.SAC1.ALTER.NET (152.63.48.97)
10  ... 27
28  56.00 ms vzw-gw.customer.alter.net (157.130.202.46)
29  ... 30

Nmap done: 1 IP address (1 host up) scanned in 212.61 seconds

... it never reaches the website (cascrmdinet51-ns-www.verizonwireless.com (162.115.18.200)). Is something behind vzw-gw.customer.alter.net (157.130.202.46) blocking my connections?

--- EDIT 1---

I have tried bypassing my router entirely by connecting my computer directly to the modem. My computer currently has my public IP address, which hasn't changed, (after spoofing my modem's MAC address) and is still unable to reach www.verizonwireless.com. I cannot change my IP address even after a

ipconfig /release
net stop dhcp
net start dhcp
ipconfig /renew

and deleting the DHCP lease from the registry. I'm guessing this is normal operation since the lease is still valid on Comcast's side? The only other way would be for me to call Comcast and associate a different MAC address, but I'd definitely like to avoid that if possible. Both Comcast's and VZW's support have been unable to help so far. :(

--- EDIT 2 ---

After poking around some more, I'm guessing that the last device my packets see before they're lost forever (vzw-gw.customer.alter.net (157.130.202.46)) is probably a Cisco switch:

C:\Program Files (x86)\Nmap>nmap.exe -A -T4 -P0 -p0- 157.130.202.46
[...]
Device type: broadband router|router|switch|WAP
Running: Cisco embedded, Cisco IOS 12.X|15.X
OS CPE: cpe:/o:cisco:ios:12.2 cpe:/h:cisco:870_router cpe:/o:cisco:ios:12 cpe:/h:cisco:2960_switch

cpe:/h:cisco:aironet_ap1250 cpe:/o:cisco:ios:12.4 cpe:/h:cisco:catalyst_7200 cpe:/o:cisco:ios:15 OS details: Cisco 827H ADSL router (IOS 12.2), Cisco 870 router or 2960 switch (IOS 12.2 - 12.4), Cisco Aironet 1250 WAP (IOS 12.4), Cisco C7200 router (IOS 15) Network Distance: 10 hops [...]

It also seems to act inconsistently, dropping MOST pings, but replying to others:

$ ping verizonwireless.com
PING verizonwireless.com (162.115.16.90) 56(84) bytes of data.
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=54 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=233 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=234 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=336 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=409 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=410 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=520 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=593 Packet filtered

--- EDIT 3 ---

Looks like I'm not the only one...

Unfortunately, that thread was back from 2013 doesn't look like it was ever resolved.

Reposted from Super User

I am not able to get on Verizon Wireless's website http://www.verizonwireless.com/ from any computer on my LAN. Chrome and Firefox just return with a connection timed out. However, the name resolves fine and other websites work. I CAN reach it from my phone (4G) or from another location through a VPN. To troubleshoot, I did a traceroute from the VPN, which returned:

$ sudo nmap -sS -Pn --traceroute www.verizonwireless.com

Starting Nmap 5.51 ( http://nmap.org ) at 2015-10-10 21:00 CDT
Nmap scan report for www.verizonwireless.com (162.115.18.200)
Host is up (0.049s latency).
rDNS record for 162.115.18.200: cascrmdinet51-ns-www.verizonwireless.com
Not shown: 998 filtered ports
PORT    STATE SERVICE
80/tcp  open  http
443/tcp open  https

TRACEROUTE (using port 443/tcp)
HOP RTT      ADDRESS
1   0.17 ms  --
2   0.62 ms  --
3   0.81 ms  --
4   1.40 ms  --
5   1.83 ms  --
6   2.63 ms  xe-10-3-0-126.bar2.Houston1.Level3.net (4.59.129.81)
7   ... 8
9   6.98 ms  verizon-level3-2x10g.dallas3.level3.net (4.68.62.166)
10  ...
11  46.29 ms gigabitethernet6-0-0.gw10.sac1.alter.net (152.63.48.97)
12  47.22 ms vzw-gw.customer.alter.net (157.130.202.46)
13  ... 15
16  48.75 ms cascrmdinet51-ns-www.verizonwireless.com (162.115.18.200)

Nmap done: 1 IP address (1 host up) scanned in 16.67 seconds

But if I run it from my computer:

C:\Program Files (x86)\Nmap>nmap -sS -Pn --traceroute www.verizonwireless.com

Starting Nmap 6.49BETA5 ( https://nmap.org ) at 2015-10-10 21:00 Central Daylight Time
Nmap scan report for www.verizonwireless.com (162.115.18.200)
Host is up.
rDNS record for 162.115.18.200: cascrmdinet51-ns-www.verizonwireless.com
All 1000 scanned ports on www.verizonwireless.com (162.115.18.200) are filtered

TRACEROUTE (using proto 1/icmp)
HOP RTT      ADDRESS
1   0.00 ms  --
2   15.00 ms --
3   16.00 ms --
4   18.00 ms --
5   24.00 ms hu-3-7-0-0-cr01.dallas.tx.ibone.comcast.net (68.86.91.249)
6   23.00 ms be-17-pe02.1950stemmons.tx.ibone.comcast.net (68.86.83.122)
7   24.00 ms 66.208.229.170
8   ...
9   60.00 ms GigabitEthernet6-0-0.GW10.SAC1.ALTER.NET (152.63.48.97)
10  ... 27
28  56.00 ms vzw-gw.customer.alter.net (157.130.202.46)
29  ... 30

Nmap done: 1 IP address (1 host up) scanned in 212.61 seconds

... it never reaches the website (cascrmdinet51-ns-www.verizonwireless.com (162.115.18.200)). Is something behind vzw-gw.customer.alter.net (157.130.202.46) blocking my connections?

--- EDIT 1---

I have tried bypassing my router entirely by connecting my computer directly to the modem. My computer currently has my public IP address, which hasn't changed, (after spoofing my modem's MAC address) and is still unable to reach www.verizonwireless.com. I cannot change my IP address even after a

ipconfig /release
net stop dhcp
net start dhcp
ipconfig /renew

and deleting the DHCP lease from the registry. I'm guessing this is normal operation since the lease is still valid on Comcast's side? The only other way would be for me to call Comcast and associate a different MAC address, but I'd definitely like to avoid that if possible. Both Comcast's and VZW's support have been unable to help so far. :(

--- EDIT 2 ---

After poking around some more, I'm guessing that the last device my packets see before they're lost forever (vzw-gw.customer.alter.net (157.130.202.46)) is probably a Cisco switch:

C:\Program Files (x86)\Nmap>nmap.exe -A -T4 -P0 -p0- 157.130.202.46
[...]
Device type: broadband router|router|switch|WAP
Running: Cisco embedded, Cisco IOS 12.X|15.X
OS CPE: cpe:/o:cisco:ios:12.2 cpe:/h:cisco:870_router cpe:/o:cisco:ios:12 cpe:/h:cisco:2960_switch

cpe:/h:cisco:aironet_ap1250 cpe:/o:cisco:ios:12.4 cpe:/h:cisco:catalyst_7200 cpe:/o:cisco:ios:15 OS details: Cisco 827H ADSL router (IOS 12.2), Cisco 870 router or 2960 switch (IOS 12.2 - 12.4), Cisco Aironet 1250 WAP (IOS 12.4), Cisco C7200 router (IOS 15) Network Distance: 10 hops [...]

It also seems to act inconsistently, dropping MOST pings, but replying to others:

$ ping verizonwireless.com
PING verizonwireless.com (162.115.16.90) 56(84) bytes of data.
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=54 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=233 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=234 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=336 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=409 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=410 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=520 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=593 Packet filtered

--- EDIT 3 ---

Looks like I'm not the only one...

Unfortunately, that thread was back from 2013 doesn't look like it was ever resolved.

added 284 characters in body; edited tags
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Michael Hampton Mod
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Reposted from Super User

I am not able to get on Verizon Wireless's website http://www.verizonwireless.com/ from any computer on my LAN. Chrome and Firefox just return with a connection timed out. However, the name resolves fine and other websites work. I CAN reach it from my phone (4G) or from another location through a VPN. To troubleshoot, I did a traceroute from the VPN, which returned:

$ sudo nmap -sS -Pn --traceroute www.verizonwireless.com

Starting Nmap 5.51 ( http://nmap.org ) at 2015-10-10 21:00 CDT
Nmap scan report for www.verizonwireless.com (162.115.18.200)
Host is up (0.049s latency).
rDNS record for 162.115.18.200: cascrmdinet51-ns-www.verizonwireless.com
Not shown: 998 filtered ports
PORT    STATE SERVICE
80/tcp  open  http
443/tcp open  https

TRACEROUTE (using port 443/tcp)
HOP RTT      ADDRESS
1   0.17 ms  --
2   0.62 ms  --
3   0.81 ms  --
4   1.40 ms  --
5   1.83 ms  --
6   2.63 ms  xe-10-3-0-126.bar2.Houston1.Level3.net (4.59.129.81)
7   ... 8
9   6.98 ms  verizon-level3-2x10g.dallas3.level3.net (4.68.62.166)
10  ...
11  46.29 ms gigabitethernet6-0-0.gw10.sac1.alter.net (152.63.48.97)
12  47.22 ms vzw-gw.customer.alter.net (157.130.202.46)
13  ... 15
16  48.75 ms cascrmdinet51-ns-www.verizonwireless.com (162.115.18.200)

Nmap done: 1 IP address (1 host up) scanned in 16.67 seconds

But if I run it from my computer:

C:\Program Files (x86)\Nmap>nmap -sS -Pn --traceroute www.verizonwireless.com

Starting Nmap 6.49BETA5 ( https://nmap.org ) at 2015-10-10 21:00 Central Daylight Time
Nmap scan report for www.verizonwireless.com (162.115.18.200)
Host is up.
rDNS record for 162.115.18.200: cascrmdinet51-ns-www.verizonwireless.com
All 1000 scanned ports on www.verizonwireless.com (162.115.18.200) are filtered

TRACEROUTE (using proto 1/icmp)
HOP RTT      ADDRESS
1   0.00 ms  --
2   15.00 ms --
3   16.00 ms --
4   18.00 ms --
5   24.00 ms hu-3-7-0-0-cr01.dallas.tx.ibone.comcast.net (68.86.91.249)
6   23.00 ms be-17-pe02.1950stemmons.tx.ibone.comcast.net (68.86.83.122)
7   24.00 ms 66.208.229.170
8   ...
9   60.00 ms GigabitEthernet6-0-0.GW10.SAC1.ALTER.NET (152.63.48.97)
10  ... 27
28  56.00 ms vzw-gw.customer.alter.net (157.130.202.46)
29  ... 30

Nmap done: 1 IP address (1 host up) scanned in 212.61 seconds

... it never reaches the website (cascrmdinet51-ns-www.verizonwireless.com (162.115.18.200)). Is something behind vzw-gw.customer.alter.net (157.130.202.46) blocking my connections?

--- EDIT 1---

I have tried bypassing my router entirely by connecting my computer directly to the modem. My computer currently has my public IP address, which hasn't changed, (after spoofing my modem's MAC address) and is still unable to reach www.verizonwireless.com. I cannot change my IP address even after a

ipconfig /release
net stop dhcp
net start dhcp
ipconfig /renew

and deleting the DHCP lease from the registry. I'm guessing this is normal operation since the lease is still valid on Comcast's side? The only other way would be for me to call Comcast and associate a different MAC address, but I'd definitely like to avoid that if possible. Both Comcast's and VZW's support have been unable to help so far. :(

--- EDIT 2 ---

After poking around some more, I'm guessing that the last device my packets see before they're lost forever (vzw-gw.customer.alter.net (157.130.202.46)) is probably a Cisco switch:

C:\Program Files (x86)\Nmap>nmap.exe -A -T4 -P0 -p0- 157.130.202.46
[...]
Device type: broadband router|router|switch|WAP
Running: Cisco embedded, Cisco IOS 12.X|15.X
OS CPE: cpe:/o:cisco:ios:12.2 cpe:/h:cisco:870_router cpe:/o:cisco:ios:12 cpe:/h:cisco:2960_switch cpe:/h:cisco:aironet_ap1250 cpe:/o:cisco:ios:12.4 cpe:/h:cisco:catalyst_7200 cpe:/o:cisco:ios:15
OS details: Cisco 827H ADSL router (IOS 12.2), Cisco 870 router or 2960 switch (IOS 12.2 - 12.4), Cisco Aironet 1250 WAP (IOS 12.4), Cisco C7200 router (IOS 15)
Network Distance: 10 hops
[...]

It also seems to act inconsistently, dropping MOST pings, but replying to others:

$ ping verizonwireless.com
PING verizonwireless.com (162.115.16.90) 56(84) bytes of data.
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=54 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=233 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=234 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=336 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=409 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=410 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=520 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=593 Packet filtered

--- EDIT 3 ---

Looks like I'm not the only one...

Unfortunately, that thread was back from 2013 doesn't look like it was ever resolved.

Reposted from Super User

I am not able to get on Verizon Wireless's website http://www.verizonwireless.com/ from any computer on my LAN. Chrome and Firefox just return with a connection timed out. However, the name resolves fine and other websites work. I CAN reach it from my phone (4G) or from another location through a VPN. To troubleshoot, I did a traceroute from the VPN, which returned:

$ sudo nmap -sS -Pn --traceroute www.verizonwireless.com

Starting Nmap 5.51 ( http://nmap.org ) at 2015-10-10 21:00 CDT
Nmap scan report for www.verizonwireless.com (162.115.18.200)
Host is up (0.049s latency).
rDNS record for 162.115.18.200: cascrmdinet51-ns-www.verizonwireless.com
Not shown: 998 filtered ports
PORT    STATE SERVICE
80/tcp  open  http
443/tcp open  https

TRACEROUTE (using port 443/tcp)
HOP RTT      ADDRESS
1   0.17 ms  --
2   0.62 ms  --
3   0.81 ms  --
4   1.40 ms  --
5   1.83 ms  --
6   2.63 ms  xe-10-3-0-126.bar2.Houston1.Level3.net (4.59.129.81)
7   ... 8
9   6.98 ms  verizon-level3-2x10g.dallas3.level3.net (4.68.62.166)
10  ...
11  46.29 ms gigabitethernet6-0-0.gw10.sac1.alter.net (152.63.48.97)
12  47.22 ms vzw-gw.customer.alter.net (157.130.202.46)
13  ... 15
16  48.75 ms cascrmdinet51-ns-www.verizonwireless.com (162.115.18.200)

Nmap done: 1 IP address (1 host up) scanned in 16.67 seconds

But if I run it from my computer:

C:\Program Files (x86)\Nmap>nmap -sS -Pn --traceroute www.verizonwireless.com

Starting Nmap 6.49BETA5 ( https://nmap.org ) at 2015-10-10 21:00 Central Daylight Time
Nmap scan report for www.verizonwireless.com (162.115.18.200)
Host is up.
rDNS record for 162.115.18.200: cascrmdinet51-ns-www.verizonwireless.com
All 1000 scanned ports on www.verizonwireless.com (162.115.18.200) are filtered

TRACEROUTE (using proto 1/icmp)
HOP RTT      ADDRESS
1   0.00 ms  --
2   15.00 ms --
3   16.00 ms --
4   18.00 ms --
5   24.00 ms hu-3-7-0-0-cr01.dallas.tx.ibone.comcast.net (68.86.91.249)
6   23.00 ms be-17-pe02.1950stemmons.tx.ibone.comcast.net (68.86.83.122)
7   24.00 ms 66.208.229.170
8   ...
9   60.00 ms GigabitEthernet6-0-0.GW10.SAC1.ALTER.NET (152.63.48.97)
10  ... 27
28  56.00 ms vzw-gw.customer.alter.net (157.130.202.46)
29  ... 30

Nmap done: 1 IP address (1 host up) scanned in 212.61 seconds

... it never reaches the website (cascrmdinet51-ns-www.verizonwireless.com (162.115.18.200)). Is something behind vzw-gw.customer.alter.net (157.130.202.46) blocking my connections?

--- EDIT 1---

I have tried bypassing my router entirely by connecting my computer directly to the modem. My computer currently has my public IP address, which hasn't changed, (after spoofing my modem's MAC address) and is still unable to reach www.verizonwireless.com. I cannot change my IP address even after a

ipconfig /release
net stop dhcp
net start dhcp
ipconfig /renew

and deleting the DHCP lease from the registry. I'm guessing this is normal operation since the lease is still valid on Comcast's side? The only other way would be for me to call Comcast and associate a different MAC address, but I'd definitely like to avoid that if possible. Both Comcast's and VZW's support have been unable to help so far. :(

--- EDIT 2 ---

After poking around some more, I'm guessing that the last device my packets see before they're lost forever (vzw-gw.customer.alter.net (157.130.202.46)) is probably a Cisco switch:

C:\Program Files (x86)\Nmap>nmap.exe -A -T4 -P0 -p0- 157.130.202.46
[...]
Device type: broadband router|router|switch|WAP
Running: Cisco embedded, Cisco IOS 12.X|15.X
OS CPE: cpe:/o:cisco:ios:12.2 cpe:/h:cisco:870_router cpe:/o:cisco:ios:12 cpe:/h:cisco:2960_switch

cpe:/h:cisco:aironet_ap1250 cpe:/o:cisco:ios:12.4 cpe:/h:cisco:catalyst_7200 cpe:/o:cisco:ios:15 OS details: Cisco 827H ADSL router (IOS 12.2), Cisco 870 router or 2960 switch (IOS 12.2 - 12.4), Cisco Aironet 1250 WAP (IOS 12.4), Cisco C7200 router (IOS 15) Network Distance: 10 hops [...]

It also seems to act inconsistently, dropping MOST pings, but replying to others:

$ ping verizonwireless.com
PING verizonwireless.com (162.115.16.90) 56(84) bytes of data.
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=54 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=233 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=234 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=336 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=409 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=410 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=520 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=593 Packet filtered

--- EDIT 3 ---

Looks like I'm not the only one...

Unfortunately, that thread was back from 2013 doesn't look like it was ever resolved.

Reposted from Super User

I am not able to get on Verizon Wireless's website http://www.verizonwireless.com/ from any computer on my LAN. Chrome and Firefox just return with a connection timed out. However, the name resolves fine and other websites work. I CAN reach it from my phone (4G) or from another location through a VPN. To troubleshoot, I did a traceroute from the VPN, which returned:

$ sudo nmap -sS -Pn --traceroute www.verizonwireless.com

Starting Nmap 5.51 ( http://nmap.org ) at 2015-10-10 21:00 CDT
Nmap scan report for www.verizonwireless.com (162.115.18.200)
Host is up (0.049s latency).
rDNS record for 162.115.18.200: cascrmdinet51-ns-www.verizonwireless.com
Not shown: 998 filtered ports
PORT    STATE SERVICE
80/tcp  open  http
443/tcp open  https

TRACEROUTE (using port 443/tcp)
HOP RTT      ADDRESS
1   0.17 ms  --
2   0.62 ms  --
3   0.81 ms  --
4   1.40 ms  --
5   1.83 ms  --
6   2.63 ms  xe-10-3-0-126.bar2.Houston1.Level3.net (4.59.129.81)
7   ... 8
9   6.98 ms  verizon-level3-2x10g.dallas3.level3.net (4.68.62.166)
10  ...
11  46.29 ms gigabitethernet6-0-0.gw10.sac1.alter.net (152.63.48.97)
12  47.22 ms vzw-gw.customer.alter.net (157.130.202.46)
13  ... 15
16  48.75 ms cascrmdinet51-ns-www.verizonwireless.com (162.115.18.200)

Nmap done: 1 IP address (1 host up) scanned in 16.67 seconds

But if I run it from my computer:

C:\Program Files (x86)\Nmap>nmap -sS -Pn --traceroute www.verizonwireless.com

Starting Nmap 6.49BETA5 ( https://nmap.org ) at 2015-10-10 21:00 Central Daylight Time
Nmap scan report for www.verizonwireless.com (162.115.18.200)
Host is up.
rDNS record for 162.115.18.200: cascrmdinet51-ns-www.verizonwireless.com
All 1000 scanned ports on www.verizonwireless.com (162.115.18.200) are filtered

TRACEROUTE (using proto 1/icmp)
HOP RTT      ADDRESS
1   0.00 ms  --
2   15.00 ms --
3   16.00 ms --
4   18.00 ms --
5   24.00 ms hu-3-7-0-0-cr01.dallas.tx.ibone.comcast.net (68.86.91.249)
6   23.00 ms be-17-pe02.1950stemmons.tx.ibone.comcast.net (68.86.83.122)
7   24.00 ms 66.208.229.170
8   ...
9   60.00 ms GigabitEthernet6-0-0.GW10.SAC1.ALTER.NET (152.63.48.97)
10  ... 27
28  56.00 ms vzw-gw.customer.alter.net (157.130.202.46)
29  ... 30

Nmap done: 1 IP address (1 host up) scanned in 212.61 seconds

... it never reaches the website (cascrmdinet51-ns-www.verizonwireless.com (162.115.18.200)). Is something behind vzw-gw.customer.alter.net (157.130.202.46) blocking my connections?

--- EDIT 1---

I have tried bypassing my router entirely by connecting my computer directly to the modem. My computer currently has my public IP address, which hasn't changed, (after spoofing my modem's MAC address) and is still unable to reach www.verizonwireless.com. I cannot change my IP address even after a

ipconfig /release
net stop dhcp
net start dhcp
ipconfig /renew

and deleting the DHCP lease from the registry. I'm guessing this is normal operation since the lease is still valid on Comcast's side? The only other way would be for me to call Comcast and associate a different MAC address, but I'd definitely like to avoid that if possible. Both Comcast's and VZW's support have been unable to help so far. :(

--- EDIT 2 ---

After poking around some more, I'm guessing that the last device my packets see before they're lost forever (vzw-gw.customer.alter.net (157.130.202.46)) is probably a Cisco switch:

C:\Program Files (x86)\Nmap>nmap.exe -A -T4 -P0 -p0- 157.130.202.46
[...]
Device type: broadband router|router|switch|WAP
Running: Cisco embedded, Cisco IOS 12.X|15.X
OS CPE: cpe:/o:cisco:ios:12.2 cpe:/h:cisco:870_router cpe:/o:cisco:ios:12 cpe:/h:cisco:2960_switch cpe:/h:cisco:aironet_ap1250 cpe:/o:cisco:ios:12.4 cpe:/h:cisco:catalyst_7200 cpe:/o:cisco:ios:15
OS details: Cisco 827H ADSL router (IOS 12.2), Cisco 870 router or 2960 switch (IOS 12.2 - 12.4), Cisco Aironet 1250 WAP (IOS 12.4), Cisco C7200 router (IOS 15)
Network Distance: 10 hops
[...]

It also seems to act inconsistently, dropping MOST pings, but replying to others:

$ ping verizonwireless.com
PING verizonwireless.com (162.115.16.90) 56(84) bytes of data.
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=54 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=233 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=234 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=336 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=409 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=410 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=520 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=593 Packet filtered

--- EDIT 3 ---

Looks like I'm not the only one...

Unfortunately, that thread was back from 2013 doesn't look like it was ever resolved.

Reposted from Super User

I am not able to get on Verizon Wireless's website http://www.verizonwireless.com/ from any computer on my LAN. Chrome and Firefox just return with a connection timed out. However, the name resolves fine and other websites work. I CAN reach it from my phone (4G) or from another location through a VPN. To troubleshoot, I did a traceroute from the VPN, which returned:

$ sudo nmap -sS -Pn --traceroute www.verizonwireless.com

Starting Nmap 5.51 ( http://nmap.org ) at 2015-10-10 21:00 CDT
Nmap scan report for www.verizonwireless.com (162.115.18.200)
Host is up (0.049s latency).
rDNS record for 162.115.18.200: cascrmdinet51-ns-www.verizonwireless.com
Not shown: 998 filtered ports
PORT    STATE SERVICE
80/tcp  open  http
443/tcp open  https

TRACEROUTE (using port 443/tcp)
HOP RTT      ADDRESS
1   0.17 ms  --
2   0.62 ms  --
3   0.81 ms  --
4   1.40 ms  --
5   1.83 ms  --
6   2.63 ms  xe-10-3-0-126.bar2.Houston1.Level3.net (4.59.129.81)
7   ... 8
9   6.98 ms  verizon-level3-2x10g.dallas3.level3.net (4.68.62.166)
10  ...
11  46.29 ms gigabitethernet6-0-0.gw10.sac1.alter.net (152.63.48.97)
12  47.22 ms vzw-gw.customer.alter.net (157.130.202.46)
13  ... 15
16  48.75 ms cascrmdinet51-ns-www.verizonwireless.com (162.115.18.200)

Nmap done: 1 IP address (1 host up) scanned in 16.67 seconds

But if I run it from my computer:

C:\Program Files (x86)\Nmap>nmap -sS -Pn --traceroute www.verizonwireless.com

Starting Nmap 6.49BETA5 ( https://nmap.org ) at 2015-10-10 21:00 Central Daylight Time
Nmap scan report for www.verizonwireless.com (162.115.18.200)
Host is up.
rDNS record for 162.115.18.200: cascrmdinet51-ns-www.verizonwireless.com
All 1000 scanned ports on www.verizonwireless.com (162.115.18.200) are filtered

TRACEROUTE (using proto 1/icmp)
HOP RTT      ADDRESS
1   0.00 ms  --
2   15.00 ms --
3   16.00 ms --
4   18.00 ms --
5   24.00 ms hu-3-7-0-0-cr01.dallas.tx.ibone.comcast.net (68.86.91.249)
6   23.00 ms be-17-pe02.1950stemmons.tx.ibone.comcast.net (68.86.83.122)
7   24.00 ms 66.208.229.170
8   ...
9   60.00 ms GigabitEthernet6-0-0.GW10.SAC1.ALTER.NET (152.63.48.97)
10  ... 27
28  56.00 ms vzw-gw.customer.alter.net (157.130.202.46)
29  ... 30

Nmap done: 1 IP address (1 host up) scanned in 212.61 seconds

... it never reaches the website (cascrmdinet51-ns-www.verizonwireless.com (162.115.18.200)). Is something behind vzw-gw.customer.alter.net (157.130.202.46) blocking my connections?

--- EDIT 1---

I have tried bypassing my router entirely by connecting my computer directly to the modem. My computer currently has my public IP address, which hasn't changed, (after spoofing my modem's MAC address) and is still unable to reach www.verizonwireless.com. I cannot change my IP address even after a

ipconfig /release
net stop dhcp
net start dhcp
ipconfig /renew

and deleting the DHCP lease from the registry. I'm guessing this is normal operation since the lease is still valid on Comcast's side? The only other way would be for me to call Comcast and associate a different MAC address, but I'd definitely like to avoid that if possible. Both Comcast's and VZW's support have been unable to help so far. :(

--- EDIT 2 ---

After poking around some more, I'm guessing that the last device my packets see before they're lost forever (vzw-gw.customer.alter.net (157.130.202.46)) is probably a Cisco switch:

C:\Program Files (x86)\Nmap>nmap.exe -A -T4 -P0 -p0- 157.130.202.46
[...]
Device type: broadband router|router|switch|WAP
Running: Cisco embedded, Cisco IOS 12.X|15.X
OS CPE: cpe:/o:cisco:ios:12.2 cpe:/h:cisco:870_router cpe:/o:cisco:ios:12 cpe:/h:cisco:2960_switch

cpe:/h:cisco:aironet_ap1250 cpe:/o:cisco:ios:12.4 cpe:/h:cisco:catalyst_7200 cpe:/o:cisco:ios:15 OS details: Cisco 827H ADSL router (IOS 12.2), Cisco 870 router or 2960 switch (IOS 12.2 - 12.4), Cisco Aironet 1250 WAP (IOS 12.4), Cisco C7200 router (IOS 15) Network Distance: 10 hops [...]

It also seems to act inconsistently, dropping MOST pings, but replying to others:

$ ping verizonwireless.com
PING verizonwireless.com (162.115.16.90) 56(84) bytes of data.
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=54 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=233 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=234 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=336 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=409 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=410 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=520 Packet filtered
From vzw-gw.customer.alter.net (157.130.202.46) icmp_seq=593 Packet filtered

--- EDIT 3 ---

Looks like I'm not the only one...

Unfortunately, that thread was back from 2013 doesn't look like it was ever resolved.

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