Hijacked Network Ranges
Justin M. Streiner
streiner at cluebyfour.org
Tue Jan 31 12:22:06 CST 2012
On Tue, 31 Jan 2012, Grant Ridder wrote:
> What is keeping you from advertising a more specific route (i.e /25's)?
Many providers filter out anything longer (smaller) than /24.
> On Tue, Jan 31, 2012 at 12:00 PM, Kelvin Williams <kwilliams at altuscgi.com>wrote:
>> 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: 18.104.22.168/20, 22.214.171.124/20, and
>> 126.96.36.199/20 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
>> Additionally, does anyone have any suggestion for mitigating in the
>> interim? Since we can't announce as /25s and IRRs are apparently a pipe
>> 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
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