North American Network Operators Group
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Re: Routing issues

  • From: Iljitsch van Beijnum
  • Date: Wed Apr 14 09:56:50 2004 
On 14-apr-04, at 14:58, Simon Brilus wrote:
Are there any other Service Providers who have been allocated blocks out of
the 83/8 network that are experiencing connectivity issues? We have been
allocated 83.146.0.0/18 and customers on this network have difficulty
getting to sites like www.mercer.com, hk.yahoo.com etc..etc..
I'm seeing the same thing: works from 80.*, doesn't work from 83.*. Note that www.mercer.com seems to suffer from a bad case of paranoia, they filter traceroute and ping, so probably a misconfigured firewall there. hk.yahoo.com traceroutes just fine from a 212.* address:

13 sl-gw10-hk-15-3.sprintlink.net (203.222.38.54) [AS 1239] 292 msec 292 msec 292 msec
14 sla-yahoo2-1-0.sprintlink.net (203.222.39.74) [AS 1239] 292 msec 292 msec 292 msec
15 alteon1.hkg.yahoo.com (202.1.233.118) [AS 18293] 296 msec 292 msec 292 msec

but hits a wall after the last sprintlink hop when coming from 83.*, so it's probably the router in that case:

13 sl-bb20-hk-3-0.sprintlink.net (144.232.20.28) 293.716 ms 293.990 ms 294.028 ms
14 sl-gw10-hk-15-3.sprintlink.net (203.222.38.54) 292.629 ms 292.934 ms 292.710 ms
15 * * *