bgpmap

AS2852 CESNET2 CESNET z.s.p.o.

AS2852 CESNET2 announces 26 IPv4 prefixes and 1 IPv6 prefix. The map below is for 146.102.0.0/16, the largest of them that RIPE RIS can see: 345 collector peers reach it over 275 AS paths, most often through AS21320 GEANT_IAS_VRF (17%).

Routes checked 17:48:02 UTC

No change in the origin, the upstreams or the number of peers since 17:02 UTC on 26 Oct, when this site first looked at 146.102.0.0/16.

AS-path graph toward 146.102.0.0/16
BGP map of 146.102.0.0/167 networks on the paths RIPE RIS collector peers use to reach 146.102.0.0/16. Best path, chosen by the most peers: AS24482 → AS2852.AS8218 → AS2852 · 7 routesAS21320 → AS2852 · 6 routesAS6461 → AS2852 · 5 routesAS14840 → AS2852 · 4 routesAS24482 → AS2852 · 8 routes · best pathAS2852 → 146.102.0.0/16 · 52 routes · best path7AS8218 → AS2852 · 7 routes6AS21320 → AS2852 · 6 routes5AS6461 → AS2852 · 5 routes4AS14840 → AS2852 · 4 routes8AS24482 → AS2852 · 8 routes · best path52AS2852 → 146.102.0.0/16 · 52 routes · best pathAS2852CESNET2 CESNET z.s.p.o.AS2852 CESNET2 CESNET z.s.p.o. · origin · 52 routes · on the best pathAS24482SG.GSAS24482 SG.GS · edge network · 8 routes · on the best pathAS8218NEO-ASN ZayoInfrastructure France SAAS8218 NEO-ASN Zayo Infrastructure France SA · edge network · 7 routesAS21320GEANT_IAS_VRFGEANT VerenigingAS21320 GEANT_IAS_VRF GEANT Vereniging · edge network · 6 routesT1AS6461Zayo BandwidthAS6461 Zayo Bandwidth · Tier 1 · 5 routesAS14840BR.Digital TelecomAS14840 BR.Digital Telecom · edge network · 4 routesT2AS9002RETN-AS RETN LimitedAS9002 RETN-AS RETN Limited · Tier 2 · 4 routes146.102.0.0/16146.102.0.0/16

origin Tier 1Tier 2edge network prefix best path: chosen by 8 of 345 peers (2%) number on a line = peers using that link RIS data up to 17:47 UTC what the colours mean 12 of 275 paths drawn 7 quieter networks left out

View JSON Raw upstream Full map of 146.102.0.0/16 →

Upstreams of 146.102.0.0/16

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

NetworkPeersShare
AS21320 GEANT_IAS_VRF GEANT Vereniging5817%
AS174 Cogent Communications, LLC4413%
AS1853 ACONET278%
AS60606 Blindspot PRO-ZETA a.s.206%
AS6939 Hurricane Electric LLC144%
AS6461 Zayo Bandwidth134%
AS24482 SG.GS82%
AS8218 NEO-ASN Zayo Infrastructure France SA82%
AS20965 GEANT GEANT Vereniging72%
AS14840 BR.Digital Telecom51%

IPv4 prefixes (26)

IPv6 prefixes (1)

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