bgpmap

AS19693 Centrilogic, Inc.

AS19693 Centrilogic, Inc. announces 25 IPv4 prefixes and 1 IPv6 prefix. The map below is for 157.238.136.0/21, the largest of them that RIPE RIS can see: 331 collector peers reach it over 250 AS paths, most often through AS1299 TWELVE99 (29%).

Routes checked 03:28:36 UTC

No change in the origin, the upstreams or the number of peers since 03:28 UTC, when this site first looked at 157.238.136.0/21.

AS-path graph toward 157.238.136.0/21
BGP map of 157.238.136.0/2114 networks on the paths RIPE RIS collector peers use to reach 157.238.136.0/21. Best path, chosen by the most peers: AS24482 → AS6461 → AS46887 → AS19693.AS8218 → AS6461 · 7 routesAS199524 → AS1299 · 5 routesAS1299 → AS19693 · 12 routesAS9002 → AS2914 · 4 routesAS2914 → AS19693 · 7 routesAS14840 → AS174 · 4 routesAS174 → AS19693 · 8 routesAS199524 → AS174 · 4 routesAS47147 → AS1299 · 4 routesAS13030 → AS6461 · 4 routesAS12779 → AS6461 · 4 routesAS24482 → AS6461 · 11 routes · best pathAS6461 → AS46887 · 31 routes · best pathAS46887 → AS19693 · 31 routes · best pathAS19693 → 157.238.136.0/21 · 58 routes · best path7AS8218 → AS6461 · 7 routes5AS199524 → AS1299 · 5 routes12AS1299 → AS19693 · 12 routes4AS9002 → AS2914 · 4 routes7AS2914 → AS19693 · 7 routes4AS14840 → AS174 · 4 routes8AS174 → AS19693 · 8 routes4AS199524 → AS174 · 4 routes4AS47147 → AS1299 · 4 routes4AS13030 → AS6461 · 4 routes4AS12779 → AS6461 · 4 routes11AS24482 → AS6461 · 11 routes · best path31AS6461 → AS46887 · 31 routes · best path31AS46887 → AS19693 · 31 routes · best path58AS19693 → 157.238.136.0/21 · 58 routes · best pathAS19693Centrilogic, Inc.AS19693 Centrilogic, Inc. · origin · 58 routes · on the best pathT1AS6461Zayo BandwidthAS6461 Zayo Bandwidth · Tier 1 · 31 routes · on the best pathAS46887Crown Castle Fiber LLCAS46887 Crown Castle Fiber LLC · transit · 31 routes · on the best pathT1AS1299TWELVE99 ArelionSweden ABAS1299 TWELVE99 Arelion Sweden AB · Tier 1 · 12 routesAS24482SG.GSAS24482 SG.GS · edge network · 11 routes · on the best pathAS199524GCORE G-Core Labs S.A.AS199524 GCORE G-Core Labs S.A. · edge network · 9 routesT1AS174CogentCommunications, LLCAS174 Cogent Communications, LLC · Tier 1 · 8 routesAS8218NEO-ASN ZayoInfrastructure France SAAS8218 NEO-ASN Zayo Infrastructure France SA · edge network · 7 routesT1AS2914NTT America, Inc.AS2914 NTT America, Inc. · Tier 1 · 7 routesT2AS9002RETN-AS RETN LimitedAS9002 RETN-AS RETN Limited · Tier 2 · 4 routesAS14840BR.Digital TelecomAS14840 BR.Digital Telecom · edge network · 4 routesAS47147AS-ANX Anexia CloudSolutions GmbHAS47147 AS-ANX Anexia Cloud Solutions GmbH · edge network · 4 routesT2AS13030INIT7 Init7(Switzerland) Ltd.AS13030 INIT7 Init7 (Switzerland) Ltd. · Tier 2 · 4 routesAS12779ITGATE IT.Gate S.p.A.AS12779 ITGATE IT.Gate S.p.A. · edge network · 4 routes157.238.136.0/21157.238.136.0/21

origin Tier 1Tier 2transitedge network prefix best path: chosen by 11 of 331 peers (3%) number on a line = peers using that link RIS data up to 03:27 UTC what the colours mean 12 of 250 paths drawn 1 quieter network left out

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Upstreams of 157.238.136.0/21

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

NetworkPeersShare
AS1299 TWELVE99 Arelion Sweden AB9729%
AS46887 Crown Castle Fiber LLC8726%
AS174 Cogent Communications, LLC8626%
AS2914 NTT America, Inc.6118%

IPv4 prefixes (25)

IPv6 prefixes (1)

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