bgpmap

AS2856 BT-UK-AS British Telecommunications Limited

AS2856 BT-UK-AS announces 547 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: 328 collector peers reach it over 260 AS paths, most often through AS5400 BT (64%).

Routes checked 21:24:45 UTC

No change in the origin, the upstreams or the number of peers since 16:25 UTC on 28 Oct, when this site first looked at 86.128.0.0/10.

AS-path graph toward 86.128.0.0/10
BGP map of 86.128.0.0/1014 networks on the paths RIPE RIS collector peers use to reach 86.128.0.0/10. Best path, chosen by the most peers: AS8218 → AS5400 → AS2856.AS24482 → AS2914 · 6 routesAS2914 → AS3356 · 9 routesAS3356 → AS5400 · 9 routesAS6461 → AS2856 · 5 routesAS13030 → AS2856 · 4 routesAS9002 → AS2856 · 11 routesAS47147 → AS9002 · 4 routesAS48185 → AS2856 · 3 routesAS3491 → AS5400 · 3 routesAS8218 → AS5400 · 7 routes · best pathAS5400 → AS2856 · 22 routes · best pathAS2856 → 86.128.0.0/10 · 48 routes · best path6AS24482 → AS2914 · 6 routes9AS2914 → AS3356 · 9 routes9AS3356 → AS5400 · 9 routes5AS6461 → AS2856 · 5 routes4AS13030 → AS2856 · 4 routes11AS9002 → AS2856 · 11 routes4AS47147 → AS9002 · 4 routes3AS48185 → AS2856 · 3 routes3AS3491 → AS5400 · 3 routes7AS8218 → AS5400 · 7 routes · best path22AS5400 → AS2856 · 22 routes · best path48AS2856 → 86.128.0.0/10 · 48 routes · best pathAS2856BT-UK-AS BritishTelecommunications LimitedAS2856 BT-UK-AS British Telecommunications Limited · origin · 48 routes · on the best pathT2AS5400BT BritishTelecommunications LimitedAS5400 BT British Telecommunications Limited · Tier 2 · 22 routes · on the best pathT2AS9002RETN-AS RETN LimitedAS9002 RETN-AS RETN Limited · Tier 2 · 11 routesT1AS2914NTT America, Inc.AS2914 NTT America, Inc. · Tier 1 · 9 routesT1AS3356Level 3 Parent, LLCAS3356 Level 3 Parent, LLC · Tier 1 · 9 routesAS8218NEO-ASN ZayoInfrastructure France SAAS8218 NEO-ASN Zayo Infrastructure France SA · edge network · 7 routes · on the best pathAS24482SG.GSAS24482 SG.GS · edge network · 6 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 routesAS48185team_blue team.blue NVAS48185 team_blue team.blue NV · edge network · 3 routesT1AS3491PCCW Global (HK) Ltd.AS3491 PCCW Global (HK) Ltd. · Tier 1 · 3 routesAS34019HIVANE HivaneAssociationAS34019 HIVANE Hivane Association · edge network · 3 routesAS12779ITGATE IT.Gate S.p.A.AS12779 ITGATE IT.Gate S.p.A. · edge network · 3 routes86.128.0.0/1086.128.0.0/10

origin Tier 1Tier 2edge network prefix best path: chosen by 7 of 328 peers (2%) number on a line = peers using that link RIS data up to 21:24 UTC what the colours mean 12 of 260 paths drawn 3 quieter networks left out

View JSON Raw upstream Full map of 86.128.0.0/10 →

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 Limited21064%
AS9002 RETN-AS RETN Limited3511%
AS6461 Zayo Bandwidth134%
AS13030 INIT7 Init7 (Switzerland) Ltd.103%
AS3303 SWISSCOM Swisscom (Schweiz) AG82%
AS5405 INTERDOTLINK Inter.link GmbH62%
AS60068 CDN77 Datacamp Limited41%
AS48185 team_blue team.blue NV3<1%
AS4455 BSO IX Reach Ltd3<1%
AS50304 BLIX Blix Solutions AS3<1%

IPv4 prefixes (547)

The 200 largest are listed. All 547 on RIPEstat.

IPv6 prefixes (7)

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