Problems with 100.42.32.0/20

Tue Jan 3 19:04:59 UTC 2012

Verizon just contacted me off-list.  The problem was identified as an
outdated bogon filter on their end.

Verizon - thanks for the quick response!

Thanks,

Josh

On Tue, Jan 3, 2012 at 12:42 PM, Josh Baird <joshbaird at gmail.com> wrote:
> Hi,
>
> We just received 100.42.32.0/20 from ARIN.  According to ARIN, this
> block was received from IANA in November 2010 and was issued to us in
> November 2011.  Since we started using it, we have seen many problems
> with different Geo-IP providers incorrectly classifying the block -
> both location and provider wise (lots of them think this is Verizon
> space for some reason in both Canada and Kansas).  I have followed
> http://nanog.cluepon.net/index.php/GeoIP and contacted most of these
> providers already.  Not one has returned my email/inquiry.
>
> The main problem that I am seeing is that Verizon/UUNET is filtering
> access to some of their networks from 100.42.32.0/20.  We are
> currently unable to reach any of UUNET.net's authoritative DNS servers
> (198.6.1.83, 198.6.1.161, etc) and appear to be filtered by some
> Verizon Business/UUNET routers.
>
> $ traceroute 198.6.1.83
> traceroute to 198.6.1.83 (198.6.1.83), 30 hops max, 40 byte packets
> 1  209.65.192.129 (209.65.192.129)  1.491 ms  1.716 ms  1.942 ms
> 2  vl41-irtr1.dan100.net.kywimax.com (209.65.192.45)  0.551 ms  0.582
> ms  0.587 ms
> 3  rrcs-173-197-155-189.west.biz.rr.com (173.197.155.189)  0.474 ms
> 0.519 ms  0.505 ms
> 4  ae8.chcgill3-rtr1.kc.rr.com (65.28.199.197)  20.349 ms  20.340 ms  20.409 ms
> 5  ae-5-1.cr0.chi30.tbone.rr.com (66.109.6.112)  20.243 ms  20.235 ms  20.223 ms
> 6  107.14.17.147 (107.14.17.147)  27.982 ms  27.567 ms  27.540 ms
> 7  216.156.72.165.ptr.us.xo.net (216.156.72.165)  20.945 ms
> te1-2-0d0.cir1.chicago2-il.us.xo.net (216.156.72.5)  20.920 ms
> 216.156.72.157.ptr.us.xo.net (216.156.72.157)  20.912 ms
> 8   (204.255.168.97)  20.868 ms  20.826 ms  20.910 ms
> 9   (152.63.66.77)  36.133 ms  36.243 ms  36.233 ms
> 10   (152.63.43.109)  45.859 ms  45.853 ms  45.843 ms
> 11   (152.63.38.9)  45.177 ms  45.175 ms  45.168 ms
> 12  * * *
> 13  * * *
> 14  *  (207.18.173.162)  46.105 ms !X *
>
> (pos5-0.soesr1.ash.ops.us.uu.net)
>
> I have contacted VZW Business' IP-NOC and was not really given a
> contact that could help me with this situation.  I have also emailed
> filters at lists.verizonbusiness.com and I'm awaiting a response
> (hopefully).
>
> Would anyone happen to have an idea of why I am seeing so many
> problems with this block, and who I may be able to reach out to at VZB
> to hopefully get this issue resolved?
>
> Thanks.