OT: Help - Need some trace routes to myspace
Charles Jones
charles.jones at ciscolearning.org
Tue Feb 19 14:31:42 MST 2008
Bryan O'Neal wrote:
>
> Before I call my ISP and say "What's Up!" I would like to make sure
> the site is not actually down. Could I get a few trace routes from
> you guys?
>
>
>
> For what it is worth, I resolve to 216.178.39.12, 216.178.39.13, etc
> for www.myspace.com <http://www.myspace.com/> and 216.178.38.104,
> 216.178.38.116, etc. for myspace.com
>
There are quite a few IPs:
# host www.myspace.com
www.myspace.com has address 216.178.39.14
www.myspace.com has address 216.178.39.15
www.myspace.com has address 216.178.39.16
www.myspace.com has address 216.178.39.74
www.myspace.com has address 216.178.38.129
www.myspace.com has address 216.178.38.130
www.myspace.com has address 216.178.38.131
www.myspace.com has address 216.178.39.11
www.myspace.com has address 216.178.39.12
www.myspace.com has address 216.178.39.13
I can elinks to http://www.myspace.com with no problems, however
traceroute doesn't make it, so they must be filtering ICMP:
traceroute to www.myspace.com (216.178.39.74), 30 hops max, 40 byte packets
1 10.216.50.1 (10.216.50.1) 0.440 ms 0.415 ms 0.426 ms
2 static.12.159.70.153.ensynch.com (12.159.70.153) 2.622 ms 2.865
ms 2.843 ms
3 v880hsrp.cr.phx1n.ensynch.com (12.159.70.139) 3.833 ms 4.009 ms
3.923 ms
4 ge2-1-0.br1.phx1n.ensynch.com (12.159.70.193) 4.321 ms 4.376 ms
4.324 ms
5 so2-2-0.jr2.phx2.llnw.net (69.28.139.241) 8.750 ms 8.776 ms 8.820 ms
6 ge3-1.fr4.phx2.llnw.net (69.28.171.225) 8.731 ms 7.966 ms
ge3-2.fr4.phx2.llnw.net (69.28.171.229) 7.987 ms
7 tge2-1.fr3.phx1.llnw.net (69.28.171.89) 8.001 ms 6.656 ms 6.532 ms
8 tge1-2.fr3.lax.llnw.net (69.28.171.82) 15.634 ms 14.558 ms 15.470 ms
9 myspace.tge7-4.fr1.lax.llnw.net (68.142.106.78) 13.307 ms 13.059
ms 13.031 ms
10 vl341.cs1.lax1.myspace.com (204.16.35.133) 13.329 ms * *
11 vl3551.cs1.els2.myspace.com (216.178.35.73) 14.802 ms 14.771 ms
14.744 ms
12 * * *
...
30 * * *
If I use TCP SYN method, I get there fine:
# traceroute -T www.myspace.com
traceroute to www.myspace.com (216.178.39.13), 30 hops max, 40 byte packets
1 10.216.50.1 (10.216.50.1) 0.344 ms 0.360 ms 0.354 ms
2 static.12.159.70.153.ensynch.com (12.159.70.153) 2.725 ms 2.718
ms 2.687 ms
3 v880hsrp.cr.phx1n.ensynch.com (12.159.70.139) 2.680 ms 2.696 ms
2.858 ms
4 ge2-1-0.br1.phx1n.ensynch.com (12.159.70.193) 3.211 ms 3.200 ms
3.524 ms
5 so2-2-0.jr2.phx2.llnw.net (69.28.139.241) 5.538 ms 5.550 ms 5.619 ms
6 ge3-1.fr4.phx2.llnw.net (69.28.171.225) 5.584 ms
ge3-2.fr4.phx2.llnw.net (69.28.171.229) 4.812 ms
ge3-1.fr4.phx2.llnw.net (69.28.171.225) 4.698 ms
7 tge2-1.fr3.phx1.llnw.net (69.28.171.89) 4.633 ms 3.521 ms 4.052 ms
8 tge1-2.fr3.lax.llnw.net (69.28.171.82) 13.660 ms 13.239 ms 13.200 ms
9 myspace.tge7-4.fr1.lax.llnw.net (68.142.106.78) 13.175 ms 13.540
ms 13.790 ms
10 vl341.cs1.lax1.myspace.com (204.16.35.133) 13.826 ms 13.900 ms
13.809 ms
11 vl3551.cs1.els2.myspace.com (216.178.35.73) 15.048 ms 14.586 ms
14.054 ms
12 216.178.39.13 (216.178.39.13) 13.704 ms 14.573 ms 14.471 ms
-Charles
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