You can take a closer look at the aspaths (lengths) to various global locations by looking at the following:
http://bgptables.merit.edu/prefix.php?z=&z=&prefixcw=208.110.48.0/20&view=all&count=1000 http://bgptables.merit.edu/prefix.php?z=&z=&prefixcw=63.246.112.0/20&view=all&count=1000 http://bgptables.merit.edu/prefix.php?z=&z=&prefixcw=68.66.112.0/20&view=all&count=1000 Hope that helps. -manish > Message: 7 > Date: Tue, 31 Jan 2012 22:06:03 +0200 > From: Ido Szargel <i...@oasis-tech.net> > To: "Schiller, Heather A" <heather.schil...@verizon.com>, Kelvin > Williams <kwilli...@altuscgi.com>, "nanog@nanog.org" <nanog@nanog.org> > Subject: RE: Hijacked Network Ranges - paging Cogent and GBLX/L3 > Message-ID: > <7A848D4888ADA94B8A46A17296740133B38D3E5473@DEXTER.oasis-tech.local> > Content-Type: text/plain; charset="us-ascii" > > I would go at first by advertising your prefixes as a /24 as well, just > randomly checked 2 different locations and the as-path to 11325 is shorter > than to 33611 > This seems to be the case for customers of Tiscali and L3, so this will > probably get most of your traffic back to you... > > Regards, > Ido >> >> -----Original Message----- >> From: Kelvin Williams [mailto:kwilli...@altuscgi.com] >> Sent: Tuesday, January 31, 2012 1:01 PM >> To: nanog@nanog.org >> Subject: Hijacked Network Ranges >> >> Greetings all. >> >> We've been in a 12+ hour ordeal requesting that AS19181 (Cavecreek Internet >> Exchange) immediately filter out network blocks that are being advertised by >> ASAS33611 (SBJ Media, LLC) who provided to them a forged LOA. >> >> The routes for networks: 208.110.48.0/20, 63.246.112.0/20, and >> 68.66.112.0/20 are registered in various IRRs all as having an origin AS >> 11325 (ours), and are directly allocated to us. >> >> The malicious hijacking is being announced as /24s therefore making route >> selection pick them. >> >> Our customers and services have been impaired. Does anyone have any >> contacts for anyone at Cavecreek that would actually take a look at ARINs >> WHOIS, and IRRs so the networks can be restored and our services back in >> operation? >> >> Additionally, does anyone have any suggestion for mitigating in the interim? >> Since we can't announce as /25s and IRRs are apparently a pipe dream. >> >> -- >> Kelvin Williams >> Sr. Service Delivery Engineer >> Broadband & Carrier Services >> Altus Communications Group, Inc. >> > > "If you only have a hammer, you tend to see every problem as a nail." -- > Abraham Maslow
