Need Help Getting IP Unblocked by AT&T

Brian Raaen braaen at zcorum.com
Thu Sep 3 12:29:32 UTC 2009


I appreciate the offline replies.  After doing some more research myself
the issue appears to be related to the fact that AT&T is announcing the
block directly.  I did show "ip bgp 72.14.76.0" in a couple routers and
some showed the route originating in 701 (they were able to reach it)
and others showed it originating in 7018 (and they could not reach it).

Here is my question, since I am an ARIN admin contact for the IP block
how is the best way to get AT&T to quit announcing the block.

-- 
-----------------
Brian Raaen
Network Engineer
email: /braaen at zcorum.com/ <mailto:braaen at zcorum.com>

Brian Raaen wrote:
> I'm not sure where to take this issue.  The Regular AT&T NOC contacts
> are refusing to talk to me since I do not have a circuit ID, and do not
> seem to have any understanding about transiting issues.  I am unable to
> fully monitor and manage a router I control, as all traffic bound to its
> lan IP that transits through the AT&T network is blocked.  The Router is
> connected to a Verizon circuit, but any connection that transits through
> AT&T is blocked.  The ip in Question is from a direct ARIN allocation
> that I control.  I have attached a ping demonstrating that I am
> receiving an ICMP deny from an AT&T core router.  I have also attached a
> traceroute to both the offending IP and the WAN IP which appears to be
> working.
>
> braaen at brian-debian:~$ ping gw.bwtc.net
> PING gw.bwtc.net (72.14.76.1) 56(84) bytes of data.
> >From 12.89.27.105 icmp_seq=1 Packet filtered
> >From 12.89.27.105 icmp_seq=3 Packet filtered
> ^C
> --- gw.bwtc.net ping statistics ---
> 4 packets transmitted, 0 received, +2 errors, 100% packet loss, time 3004ms
>
>
> braaen at brian-debian:~$ sudo traceroute-nanog -AO gw.bwtc.net
> [sudo] password for braaen:
> traceroute to gw.bwtc.net (72.14.76.1), 64 hops max, 40 byte packets
>  1  gw-alpha.america.net (69.60.176.65) [AS4452] dns at america.net  3 ms 
> 3 ms  3 ms
>  2  gw-alpha.america.net (69.60.176.65) [AS4452] dns at america.net  3 ms 
> 3 ms  4 ms
>  3  69.60.160.8 (69.60.160.8) [AS4452] dns at america.net  13 ms
> rtrs00.america.net (69.60.176.21) [AS4452] dns at america.net  13 ms
> 69.60.160.8 (69.60.160.8) [AS4452] dns at america.net  13 ms
>  4  69.60.160.8 (69.60.160.8) [AS4452] dns at america.net  12 ms  35 ms  17 ms
>  5  gig4-16.core2.suw1.qualitytech.com (64.88.172.145) [AS20141]
> dnsadmin at globix.net [MPLS: Label 673 Exp 0]  15 ms  14 ms  25 ms
>  6  gig4-16.core2.suw1.qualitytech.com (64.88.172.145) [AS20141]
> dnsadmin at globix.net  14 ms  14 ms  18 ms
>  7  ten8-3.peer1.suw1.qualitytech.com (64.88.172.197) [AS20141]
> dnsadmin at globix.net  14 ms  12 ms  14 ms
>  8  border11.tge3-3.qts-1.acs.pnap.net (64.94.3.113) [AS14745]
> hostmaster at pnap.net  14 ms  14 ms  14 ms
>  9  core1.te2-2-bbnet2.acs002.pnap.net (64.94.0.79) [AS14745]
> hostmaster at pnap.net  14 ms core1.te2-1-bbnet1.acs002.pnap.net
> (64.94.0.15) [AS14745] hostmaster at pnap.net  14 ms 12.86.102.5
> (12.86.102.5) [<NONE>] rm-hostmaster at ems.att.com  14 ms
> 10  12.86.102.5 (12.86.102.5) [<NONE>] rm-hostmaster at ems.att.com  13 ms 
> 23 ms  13 ms
> 11  cr1.attga.ip.att.net (12.122.141.2) [<NONE>]
> rm-hostmaster at ems.att.com [MPLS: Label 16745 Exp 0]  40 ms
> cr2.ormfl.ip.att.net (12.122.5.141) [<NONE>] rm-hostmaster at ems.att.com
> [MPLS: Label 20348 Exp 0] More labels  40 ms More labels  40 ms
> 12  cr2.ormfl.ip.att.net (12.122.5.141) [<NONE>]
> rm-hostmaster at ems.att.com More labels  40 ms More labels  41 ms More
> labels  40 ms
> 13  cr2.nwrla.ip.att.net (12.122.30.77) [<NONE>]
> rm-hostmaster at ems.att.com [MPLS: Label 0 Exp 0] More labels  40 ms
> gar1.nwrla.ip.att.net (12.123.153.85) [<NONE>]
> rm-hostmaster at ems.att.com  38 ms  38 ms
> 14  gar1.nwrla.ip.att.net (12.123.153.85) [<NONE>]
> rm-hostmaster at ems.att.com  50 ms  38 ms  38 ms
> 15  12.89.27.106 (12.89.27.106) [<NONE>] rm-hostmaster at ems.att.com  43
> ms  44 ms  44 ms
> 16  * * 12.89.27.105 (12.89.27.105) [<NONE>] rm-hostmaster at ems.att.com 
> 44 ms !A
>
>
>
>
> braaen at brian-debian:~$ sudo traceroute-nanog -AO 157.130.26.166
> traceroute to 157.130.26.166 (157.130.26.166), 64 hops max, 40 byte packets
>  1  gw-alpha.america.net (69.60.176.65) [AS4452] dns at america.net  4 ms 
> 3 ms  6 ms
>  2  gw-alpha.america.net (69.60.176.65) [AS4452] dns at america.net  3 ms 
> 3 ms  3 ms
>  3  rtrs00.america.net (69.60.176.21) [AS4452] dns at america.net  14 ms 
> 13 ms  13 ms
>  4  69.60.160.8 (69.60.160.8) [AS4452] dns at america.net  13 ms  13 ms  12 ms
>  5  66.0.192.194 (66.0.192.194) [AS20141] dns at deltacom.net  13 ms  13
> ms  15 ms
>  6  gig4-16.core2.suw1.qualitytech.com (64.88.172.145) [AS20141]
> dnsadmin at globix.net [MPLS: Label 673 Exp 0]  30 ms
> ten8-3.peer1.suw1.qualitytech.com (64.88.172.197) [AS20141]
> dnsadmin at globix.net  14 ms gig4-16.core2.suw1.qualitytech.com
> (64.88.172.145) [AS20141] dnsadmin at globix.net  34 ms
>  7  ten8-3.peer1.suw1.qualitytech.com (64.88.172.197) [AS20141]
> dnsadmin at globix.net  19 ms  13 ms  13 ms
>  8  core3.tge4-1-bbnet1.acs.pnap.net (64.94.0.3) [AS14745]
> hostmaster at pnap.net  14 ms core3.tge4-1-bbnet2.acs.pnap.net (64.94.0.67)
> [AS14745] hostmaster at pnap.net  14 ms  15 ms
>  9  core3.tge4-1-bbnet2.acs.pnap.net (64.94.0.67) [AS14745]
> hostmaster at pnap.net  14 ms core3.tge4-1-bbnet1.acs.pnap.net (64.94.0.3)
> [AS14745] hostmaster at pnap.net  14 ms  15 ms
> 10  TenGigabitEthernet3-4.ar5.ATL1.gblx.net (207.218.80.217) [AS3549]
> dns at gblx.net.80.218.207.in-addr.arpa  14 ms  14 ms  14 ms
> 11  ge4-3-1000M.ar3.PTY1.gblx.net (67.16.135.18) [AS22566] dns at gblx.net 
> 18 ms  14 ms  14 ms
> 12  0.so-1-1-0.XT1.ATL4.ALTER.NET (152.63.86.170) [<NONE>]
> hostmaster at uu.net  14 ms  49 ms verizon-1.ar2.ATL2.gblx.net
> (64.208.110.170) [AS3549] dns at gblx.net  17 ms
> 13  0.so-1-1-0.XT1.ATL4.ALTER.NET (152.63.86.170) [<NONE>]
> hostmaster at uu.net  33 ms  14 ms  16 ms
> 14  0.so-7-1-0.XL3.BOS4.ALTER.NET (152.63.0.209) [<NONE>]
> hostmaster at uu.net  42 ms  48 ms  49 ms
> 15  POS6-0.GW10.BOS4.ALTER.NET (152.63.17.37) [<NONE>]
> hostmaster at uu.net  41 ms  42 ms  41 ms
> 16  * networkinnovations-gw.customer.alter.net (157.130.26.166) [<NONE>]
> hostmaster at uu.net  53 ms *
>
>
>
>   
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