[seqfan] Re: www.research.att.com down-ish?

Charles Greathouse charles.greathouse at case.edu
Mon Oct 19 23:21:33 CEST 2009


It's been up and down all day for me (but mostly down).

The good news is that when you know the sequence you want to look up,
you can just use the wiki version.  The bad news is that the wiki
version doesn't have a usable search feature...

Charles Greathouse
Analyst/Programmer
Case Western Reserve University

On Mon, Oct 19, 2009 at 5:06 PM, Joerg Arndt <arndt at jjj.de> wrote:
> Mostly nonresponsive to queries on port 80.
>
> Looks like the AT&T routing is wobbly,
> (tcp)traceroute gives varying results
> (mostly only ends shown):
>
>
> % tcptraceroute www.research.att.com
> Selected device eth0, address 10.1.1.7, port 48582 for outgoing packets
> Tracing the path to www.research.att.com (192.20.225.32) on TCP port 80 (http), 30 hops max
>  1  10.1.1.1  0.641 ms  0.485 ms  0.463 ms
> [...]
> 14  cr1-tengig-0-7-3-0.losangeles.savvis.net (204.70.193.105)  184.526 ms  181.457 ms  180.051 ms
> 15  * * *
> 16  208.174.194.66  196.332 ms  178.374 ms  178.517 ms
> 17  cr2.la2ca.ip.att.net (12.123.30.134)  250.523 ms  249.996 ms  250.459 ms
> 18  cr1.slkut.ip.att.net (12.122.30.29)  247.111 ms  249.017 ms  248.499 ms
> 19  cr2.dvmco.ip.att.net (12.122.30.26)  249.997 ms  250.000 ms  252.166 ms
> 20  cr1.cgcil.ip.att.net (12.122.31.86)  254.362 ms  252.966 ms  253.430 ms
> 21  cr2.cgcil.ip.att.net (12.122.2.54)  249.728 ms  249.255 ms  249.481 ms
> 22  cr1.n54ny.ip.att.net (12.122.1.1)  251.704 ms  253.425 ms  252.454 ms
> 23  cr81.nw2nj.ip.att.net (12.122.105.30)  254.907 ms  262.493 ms  252.938 ms
> 24  gar3.nw2nj.ip.att.net (12.122.105.109)  252.657 ms  252.193 ms  251.710 ms
> 25  12.119.12.74  253.419 ms  253.310 ms  255.421 ms
> 26  * * *
> 27  * public.research.att.com (192.20.225.32) [open] 249.632 ms *
>
>
> % tcptraceroute www.research.att.com
> Selected device eth0, address 10.1.1.7, port 53542 for outgoing packets
> Tracing the path to www.research.att.com (192.20.225.32) on TCP port 80 (http), 30 hops max
>  1  10.1.1.1  0.586 ms  0.467 ms  0.469 ms
> [...]
> 16  208.174.194.66  178.846 ms  178.732 ms  187.940 ms
> 17  cr2.la2ca.ip.att.net (12.123.30.134)  251.760 ms  250.487 ms  247.797 ms
> 18  cr1.slkut.ip.att.net (12.122.30.29)  248.283 ms  248.986 ms  248.528 ms
> 19  cr2.dvmco.ip.att.net (12.122.30.26)  250.965 ms  250.720 ms  251.476 ms
> 20  cr1.cgcil.ip.att.net (12.122.31.86)  254.430 ms  254.170 ms  254.684 ms
> 21  cr2.cgcil.ip.att.net (12.122.2.54)  250.496 ms  250.012 ms  249.285 ms
> 22  cr1.n54ny.ip.att.net (12.122.1.1)  252.557 ms  254.411 ms  255.178 ms
> 23  cr81.nw2nj.ip.att.net (12.122.105.30)  254.411 ms  253.446 ms  251.491 ms
> 24  gar3.nw2nj.ip.att.net (12.122.105.109)  250.702 ms  251.677 ms  251.723 ms
> 25  12.119.12.74  253.218 ms  253.345 ms  255.005 ms
> 26  public.research.att.com (192.20.225.32) [open]  250.674 ms  249.215 ms  251.949 ms
>
>
> btw., amazing:
>  10 hops inside AT&T's network for a public mail server!
>
>
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>
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>




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