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Comcast appears to be blocking certain sites. IP or DNS issue?
The High Speed internet is lightning fast and generally works great. However, some sites just absolutely will not load.
Twitter.com won't load in any browser. When I ping the site, it returns the ping; but when I try putting the IP into the browser, no dice.
Any ideas?
Twitter.com won't load in any browser. When I ping the site, it returns the ping; but when I try putting the IP into the browser, no dice.
Any ideas?
I’m perplexed.
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Inappropriate?Twitter is loading fine for me and others. First I would reboot router, I would also do a traceroute to see where the block is. Email us a copy of the traceroute and include phone number on the account.
Thank you!
Frank Eliason
Comcast
We_Can_Help@cable.comcast.com -
Inappropriate?It's not the router. The traceroute shows the bottleneck with a bunch of IPs associated with NTT.net. A Google search led me to a Twitter blog post about them choosing NTT America as their hosting provider.
So the question is, why is every other site on the internet loading just fine (and blazingly fast) but there is a bottleneck at ntt.net?? Here's the end of the traceroute, where it basically comes to a halt with a bunch of ntt.net IP addresses:
13 ae-3-89.edge2.NewYork1.Level3.net (4.68.16.144) 22.944 ms
ae-2-79.edge2.NewYork1.Level3.net (4.68.16.80) 17.324 ms
ae-4-99.edge2.NewYork1.Level3.net (4.68.16.208) 16.530 ms
14 * * *
15 ae-2.r21.nycmny01.us.bb.gin.ntt.net (129.250.2.40) 19.333 ms
ae-2.r20.nycmny01.us.bb.gin.ntt.net (129.250.2.186) 19.616 ms
ae-2.r21.nycmny01.us.bb.gin.ntt.net (129.250.2.40) 15.632 ms
16 * * *
17 * * *
18 129.250.13.6 (129.250.13.6) 103.232 ms 106.753 ms 103.506 ms
19 128.121.150.133 (128.121.150.133) 101.777 ms 107.258 ms 114.972 ms
20 * * 128.121.150.133 (128.121.150.133) 115.533 ms !X
21 * * 128.121.150.133 (128.121.150.133) 118.323 ms !X
22 * * *
23 * * *
24 * * *
25 * * *
26 * * 128.121.150.133 (128.121.150.133) 104.854 ms !X
27 * 128.121.150.133 (128.121.150.133) 104.103 ms !X *
28 * * *
29 * * 128.121.150.133 (128.121.150.133) 108.871 ms !X
30 * * *
31 128.121.150.133 (128.121.150.133) 102.414 ms !X * 102.851 ms !X
I’m grr
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Inappropriate?This is not the complete traceroute. In order to properly evaluate we would need that, as well as information from the account. Please email the phone number on the account and the full traceroute and we will review the specifics of what we are noticing. Additional information such as other website sthat you are having trouble with can also assist.
Thank you!
Frank Eliason
Email us at We_Can_Help@cable.comcast.com -
Inappropriate?By the way, if NTT is the hosting provider, then the trouble would be more on the Twitter side. It could be a blocked IP or other trouble. We have not seen other troubles with Twitter today. I just reviewed my traceroute, and many of the hops look the same but I have not had trouble getting to Twitter.com at all, even while the traceroute was running
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Inappropriate?Updated the Airport Time Capsule to the latest firmware and now it's working. Not sure why, but thought you should know.
I’m grateful.
EMPLOYEE
