BGP Communities

This is a list of the BGP communities we use on our AS59105 network. This information is subject to change without notice and is not guaranteed to work in all cases.

Internal Communities

These communities are used internally by us to control the network.This community will not be able to receive in the routes, but using Looking Glass etc. will help you understand our routing.

Community Number Large Community Effect
59105:100 HOMENOC (AS59105) Specific routes
59105:110 HOMENOC (AS59105) Originate routes
59105:300 Private peers
59105:200 Transits
59105:1200 Transits in east Japan
59105:5200 Transits in west Japan
59105:200:2518 Transit BIGLOBE (AS2518)
59105:200:59103 Transit SoftEther (AS59103)
59105:200:9370 Transit SAKURA Internet (AS9370)
59105:200:9371 Transit SAKURA Internet (AS9371)
59105:1300 Private peers in east Japan
59105:5300 Private peers in west Japan
59105:400 IX peers
59105:1400 IX peers in east Japan
59105:5400 IX peers in west Japan
59105:400:24115 Equinix Tokyo peers (Bilateral and route server peers)
59105:400:7527 JPIX Tokyo peers (Bilateral peers)
59105:400:23815 JPIX Tokyo route server peers.
59105:5400:7527 JPIX Osaka peers (Bilateral peers)
59105:5400:23815 JPIX Osaka route server peers.
59105:600 Global AS customers
59105:1600 Global AS customers in east Japan
59105:5600 Global AS customers in west Japan

Customer Communities

  • These communities are provided to customers who use global AS numbers.
  • Some communities are only provided by the Large BGP Communities.
Community Number Large Community Effect
59105:80 59105:0:0 Set the Local-Pref of the customer route to 80.
59105:8904 59105:8000:59103 Stop advertising routes to SoftEther (AS59103).
59105:8903 59105:8000:2518 Stop advertising routes to BIGLOBE (AS2518).
59105:8902 59105:8000:9370 Stop advertising routes to SAKURA Internet (AS9370).
59105:8901 59105:8000:9371 Stop advertising routes to SAKURA Internet (AS9371).
59105:8100 59105:8000:100 Stop advertising routes for east Japan transits.
59105:8200 59105:8000:200 Stop advertising routes for west Japan transits.
59105:8300 59105:8000:300 Stop advertising routes for free peers.
59105:8000:7527 Stop advertising routes for JPIX Tokyo free peers.
59105:8000:23815 Stop advertising routes for JPIX Tokyo route server free peers.
59105:8000:24115 Stop advertising routes for Equinix Tokyo free peers.
59105:8200:7527 Stop advertising routes for JPIX Osaka free peers.
59105:8200:23815 Stop advertising routes for JPIX Osaka route server free peers.
59105:1021:59103 Advertise 1 AS-Path prepend route to SoftEther (AS59103).
59105:1022:59103 Advertise 2 AS-Path prepend route to SoftEther (AS59103).
59105:1023:59103 Advertise 3 AS-Path prepend route to SoftEther (AS59103).
59105:1021:2518 Advertise 1 AS-Path prepend route to BIGLOBE (AS2518).
59105:1022:2518 Advertise 2 AS-Path prepend route to BIGLOBE (AS2518).
59105:1023:2518 Advertise 3 AS-Path prepend route to BIGLOBE (AS2518).
59105:1021:9370 Advertise 1 AS-Path prepend route to SAKURA Internet (AS9370).
59105:1022:9370 Advertise 2 AS-Path prepend route to SAKURA Internet (AS9370).
59105:1023:9370 Advertise 3 AS-Path prepend route to SAKURA Internet (AS9370).
59105:1021:9371 Advertise 1 AS-Path prepend route to SAKURA Internet (AS9371).
59105:1022:9371 Advertise 2 AS-Path prepend route to SAKURA Internet (AS9371).
59105:1023:9371 Advertise 3 AS-Path prepend route to SAKURA Internet (AS9371).

Graceful BGP Session Shutdown

You can minimize the traffic lost by Graceful Shutdown when you shut down a BGP session, such as for planned maintenance. You can set the LocalPref attribute in our network to 0 by advertising a route with a community of 65535:0.

This feature is available for all our BGP connections. (BGP customers, transits, peers)

If you need more information about Graceful BGP Session Shutdown, please refer to RFC8326.

https://datatracker.ietf.org/doc/html/rfc8326

RPKI Origin Validation Communities

Set up the RFC8097 compliant BGP community based on the results of Origin Validation by RPKI.

Community Number Large Community Effect
0x4300:0.0.0.0:0 Valid
0x4300:0.0.0.0:1 Unknown
0x4300:0.0.0.0:2 Invalid

If you need more information, please refer to RFC8097.

https://datatracker.ietf.org/doc/html/rfc8097