Cogent Multihomed ISPs BGP Communities

assignment policy is documented in:
        
        RIPE NCC members can request AS Numbers using the
form available in the LIR Portal or at:
        
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        Information about the RIPE Database can be found at:
        http://www.ripe.net/db/index.html
****************************************************
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        Applied Route Flap Damping Policy conformant to RIPE-178
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Peerings (IPv4 & IPv6) are welcome ;-)

Community Support Definitions for Customers

1. Communities controlling Cogents internal use of
customer routes by means of local preference:

All customer routes announced will receive a default
local preference of 900

community   set local    effect
preference
12732:10	10	below everything, least prefered
12732:90	90	below peers
12732:400	400	below peering & customer default
12732:800	800	below customer default
12732:950	950	above customer default


2. Communities controlling AS path prepending for
customer routes on egress:

community	effect
12732:1000	do not announce at BCIX
12732:1001	prepend one at BCIX
12732:1002	prepend two at BCIX

12732:2000	do not announce at FFM/DeCIX
12732:2001	prepend one at FFM/DeCIX
12732:2002	prepend two at FFM/DeCIX

12732:3000      do not announce at DUS/ECIX
12732:3001	prepend one at DUS/ECIX
12732:3002      prepend two at DUS/ECIX
12732:3050      do not announce at BLN/ECIX
12732:3051	prepend one at BLN/ECIX
12732:3052      prepend two at BLN/ECIX
12732:3100      do not announce at HBG/ECIX
12732:3101	prepend one at HBG/ECIX
12732:3102      prepend two at HBG/ECIX

12732:3000      do not announce at KLEYREX
12732:3001	prepend one at KLEYREX
12732:3002      prepend two at KLEYREX

3. Communities tagging the source of routes

12732:100	peer route, learned at BCIX
12732:200	peer route, learned at DECIX
12732:300	peer route, learned at ECIX-DUS
12732:305	peer route, learned at ECIX-BLN
12732:310	peer route, learned at ECIX-HBG
12732:400	peer route, learned at KLEYREX

12732:21	peer route, learned in Duesseldorf
12732:30	peer route, learned in Berlin
12732:40	peer route, learned in Hamburg
12732:69	peer route, learned in Frankfurt

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The above information was collected from whois.ripe.net, using
object "AS12732" on March 1, 2010