This guide outlines the BGP communities available for use by customers on our network.

Where a route has been received

52041:[100-222]:XXX for route learned.

Community	Description
52041:110:XXX	Route learnt in GB, LON by upstream ASXXX
52041:111:XXX	Route learnt in US, MCI by upstream ASXXX
52041:112:XXX	Route learnt in US, DAL by upstream ASXXX
52041:222:XXX	Route learnt by downstream

Ingress communities

The following communities can not be used in conjunction with 52041:999:0 (Enable DDoS Protection)

52041:0:XXX do not advertise to peer. 52041:[1-3]:XXX prepend to peer [1-3] times. 52041:X:[65000-65500] do not advertise to region.

Peer based communities:

Community	Description
52041:0:3257	do not advertise to GTT
52041:0:9002	do not advertise to RETN
52041:0:174	do not advertise to Cogent
52041:0:32097	do not advertise to Wholesale Internet

Local IX communities:

Community	Description
52041:0:8714	do not advertise to London Internet Exchange
52041:0:40542	do not advertise to Kansas City Internet Exchange

Regional communities and prepends:

Community	Description
52041:0:65000	do not advertise to Europe
52041:0:65010	do not advertise to North America
52041:0:65020	do not advertise to Asia
52041:[1-3]:65000	prepend [1-3] to Europe peers
52041:[1-3]:65010	prepend [1-3] to North America peers
52041:[1-3]:65020	prepend [1-3] to Asia peers

Community	Description
52041:666:0	Blackhole prefix on peers edge
52041:999:0	Enable DDoS mitigation for prefix (must be enabled on customer portal/with account manager).