bgpmap

AS3 Massachusetts Institute of Technology

AS3 Massachusetts Institute of Technology announces 95 IPv4 prefixes and 9 IPv6 prefixes. The map below is for 128.30.0.0/15, the largest of them that RIPE RIS can see: 334 collector peers reach it over 264 AS paths, most often through AS174 Cogent Communications, LLC (46%).

Routes checked 11:24:37 UTC

No change in the origin, the upstreams or the number of peers since 00:21 UTC on 27 Oct, when this site first looked at 128.30.0.0/15.

AS-path graph toward 128.30.0.0/15
BGP map of 128.30.0.0/1512 networks on the paths RIPE RIS collector peers use to reach 128.30.0.0/15. Best path, chosen by the most peers: AS24482 → AS2914 → AS3356 → AS3.AS199524 → AS174 · 6 routesAS174 → AS3 · 25 routesAS8218 → AS6461 · 6 routesAS6461 → AS174 · 11 routesAS9002 → AS3356 · 4 routesAS12779 → AS174 · 4 routesAS11164 → AS3 · 2 routesAS24482 → AS2914 · 11 routes · best pathAS2914 → AS3356 · 11 routes · best pathAS3356 → AS3 · 26 routes · best pathAS3 → 128.30.0.0/15 · 53 routes · best path6AS199524 → AS174 · 6 routes25AS174 → AS3 · 25 routes6AS8218 → AS6461 · 6 routes11AS6461 → AS174 · 11 routes4AS9002 → AS3356 · 4 routes4AS12779 → AS174 · 4 routes2AS11164 → AS3 · 2 routes11AS24482 → AS2914 · 11 routes · best path11AS2914 → AS3356 · 11 routes · best path26AS3356 → AS3 · 26 routes · best path53AS3 → 128.30.0.0/15 · 53 routes · best pathAS3MassachusettsInstitute of TechnologyAS3 Massachusetts Institute of Technology · origin · 53 routes · on the best pathT1AS3356Level 3 Parent, LLCAS3356 Level 3 Parent, LLC · Tier 1 · 26 routes · on the best pathT1AS174CogentCommunications, LLCAS174 Cogent Communications, LLC · Tier 1 · 25 routesAS24482SG.GSAS24482 SG.GS · edge network · 11 routes · on the best pathT1AS2914NTT America, Inc.AS2914 NTT America, Inc. · Tier 1 · 11 routes · on the best pathT1AS6461Zayo BandwidthAS6461 Zayo Bandwidth · Tier 1 · 11 routesAS199524GCORE G-Core Labs S.A.AS199524 GCORE G-Core Labs S.A. · edge network · 6 routesAS8218NEO-ASN ZayoInfrastructure France SAAS8218 NEO-ASN Zayo Infrastructure France SA · edge network · 6 routesT2AS9002RETN-AS RETN LimitedAS9002 RETN-AS RETN Limited · Tier 2 · 4 routesAS12779ITGATE IT.Gate S.p.A.AS12779 ITGATE IT.Gate S.p.A. · edge network · 4 routesT2AS13030INIT7 Init7(Switzerland) Ltd.AS13030 INIT7 Init7 (Switzerland) Ltd. · Tier 2 · 4 routesAS11164Internet2AS11164 Internet2 · edge network · 2 routes128.30.0.0/15128.30.0.0/15

origin Tier 1Tier 2edge network prefix best path: chosen by 11 of 334 peers (3%) number on a line = peers using that link RIS data up to 07:59 UTC what the colours mean 12 of 264 paths drawn 5 quieter networks left out

View JSON Raw upstream Full map of 128.30.0.0/15 →

Upstreams of 128.30.0.0/15

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

NetworkPeersShare
AS174 Cogent Communications, LLC15346%
AS3356 Level 3 Parent, LLC13440%
AS6939 Hurricane Electric LLC175%
AS11164 Internet2134%
AS7015 Comcast Cable Communications, LLC93%
AS11537 Internet272%
AS293 ESnet1<1%

IPv4 prefixes (95)

IPv6 prefixes (9)

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