bgpmap

AS2856 BT-UK-AS British Telecommunications Limited

AS2856 BT-UK-AS announces 536 IPv4 prefixes and 7 IPv6 prefixes. The map below is for 86.128.0.0/10, the largest of them that RIPE RIS can see: 333 collector peers reach it over 260 AS paths, most often through AS5400 BT (64%).

Routes checked 19:08:26 UTC

No change in the origin, the upstreams or the number of peers since 19:08 UTC, when this site first looked at 86.128.0.0/10.

AS-path graph toward 86.128.0.0/10
BGP map of 86.128.0.0/1015 networks on the paths RIPE RIS collector peers use to reach 86.128.0.0/10. Best path, chosen by the most peers: AS24482 → AS2914 → AS3356 → AS5400 → AS2856.AS8218 → AS5400 · 7 routesAS6461 → AS2856 · 5 routesAS13030 → AS2856 · 4 routesAS9002 → AS2856 · 11 routesAS47147 → AS9002 · 4 routesAS12779 → AS3257 · 4 routesAS3257 → AS5400 · 4 routesAS199524 → AS1299 · 4 routesAS1299 → AS5400 · 4 routesAS48185 → AS2856 · 3 routesAS24482 → AS2914 · 8 routes · best pathAS2914 → AS3356 · 8 routes · best pathAS3356 → AS5400 · 8 routes · best pathAS5400 → AS2856 · 26 routes · best pathAS2856 → 86.128.0.0/10 · 52 routes · best path7AS8218 → AS5400 · 7 routes5AS6461 → AS2856 · 5 routes4AS13030 → AS2856 · 4 routes11AS9002 → AS2856 · 11 routes4AS47147 → AS9002 · 4 routes4AS12779 → AS3257 · 4 routes4AS3257 → AS5400 · 4 routes4AS199524 → AS1299 · 4 routes4AS1299 → AS5400 · 4 routes3AS48185 → AS2856 · 3 routes8AS24482 → AS2914 · 8 routes · best path8AS2914 → AS3356 · 8 routes · best path8AS3356 → AS5400 · 8 routes · best path26AS5400 → AS2856 · 26 routes · best path52AS2856 → 86.128.0.0/10 · 52 routes · best pathAS2856BT-UK-AS BritishTelecommunications LimitedAS2856 BT-UK-AS British Telecommunications Limited · origin · 52 routes · on the best pathT2AS5400BT BritishTelecommunications LimitedAS5400 BT British Telecommunications Limited · Tier 2 · 26 routes · on the best pathT2AS9002RETN-AS RETN LimitedAS9002 RETN-AS RETN Limited · Tier 2 · 11 routesAS24482SG.GSAS24482 SG.GS · edge network · 8 routes · on the best pathT1AS2914NTT America, Inc.AS2914 NTT America, Inc. · Tier 1 · 8 routes · on the best pathT1AS3356Level 3 Parent, LLCAS3356 Level 3 Parent, LLC · Tier 1 · 8 routes · on the best pathAS8218NEO-ASN ZayoInfrastructure France SAAS8218 NEO-ASN Zayo Infrastructure France SA · edge network · 7 routesT1AS6461Zayo BandwidthAS6461 Zayo Bandwidth · Tier 1 · 5 routesT2AS13030INIT7 Init7(Switzerland) Ltd.AS13030 INIT7 Init7 (Switzerland) Ltd. · Tier 2 · 4 routesAS47147AS-ANX Anexia CloudSolutions GmbHAS47147 AS-ANX Anexia Cloud Solutions GmbH · edge network · 4 routesAS12779ITGATE IT.Gate S.p.A.AS12779 ITGATE IT.Gate S.p.A. · edge network · 4 routesT1AS3257GTT-BACKBONE GTTCommunications Inc.AS3257 GTT-BACKBONE GTT Communications Inc. · Tier 1 · 4 routesAS199524GCORE G-Core Labs S.A.AS199524 GCORE G-Core Labs S.A. · edge network · 4 routesT1AS1299TWELVE99 ArelionSweden ABAS1299 TWELVE99 Arelion Sweden AB · Tier 1 · 4 routesAS48185team_blue team.blue NVAS48185 team_blue team.blue NV · edge network · 3 routes86.128.0.0/1086.128.0.0/10

origin Tier 1Tier 2edge network prefix best path: chosen by 8 of 333 peers (2%) number on a line = peers using that link RIS data up to 19:07 UTC what the colours mean 12 of 260 paths drawn 4 quieter networks left out

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Upstreams of 86.128.0.0/10

Networks directly in front of the origin, counted over the paths the collector peers use.

NetworkPeersShare
AS5400 BT British Telecommunications Limited21464%
AS9002 RETN-AS RETN Limited3511%
AS6461 Zayo Bandwidth134%
AS13030 INIT7 Init7 (Switzerland) Ltd.113%
AS3303 SWISSCOM Swisscom (Schweiz) AG62%
AS5405 INTERDOTLINK Inter.link GmbH62%
AS60068 CDN77 Datacamp Limited41%
AS8220 COLT COLT Technology Services Group Limited41%
AS48185 team_blue team.blue NV3<1%
AS4455 BSO IX Reach Ltd3<1%

IPv4 prefixes (536)

The 200 largest are listed. All 536 on RIPEstat.

IPv6 prefixes (7)

Prefixes announced in the last two weeks, as seen by RIPE RIS.