bgpmap

BGP map for 203.205.16.0/21

203.205.16.0/21 is announced by AS45903 CMC Telecom Infrastructure Company and seen by 331 peers of 23 RIPE RIS collectors, over 258 different AS paths. Its busiest upstreams are AS703 Verizon Business (70%), AS6939 Hurricane Electric LLC (9%) and AS2914 NTT America, Inc. (6%). The most common path, used by 11 peers, is AS24482 AS45903.

Routes checked 22:12:27 UTC

No change in the origin, the upstreams or the number of peers since 22:12 UTC, when this site first looked at 203.205.16.0/21.

AS-path graph toward 203.205.16.0/21
BGP map of 203.205.16.0/2118 networks on the paths RIPE RIS collector peers use to reach 203.205.16.0/21. Best path, chosen by the most peers: AS24482 → AS45903.AS199524 → AS174 · 7 routesAS174 → AS703 · 7 routesAS703 → AS45903 · 33 routesAS8218 → AS6461 · 7 routesAS6461 → AS701 · 12 routesAS701 → AS703 · 23 routesAS12779 → AS2914 · 4 routesAS2914 → AS45903 · 9 routesAS14840 → AS701 · 4 routesAS13030 → AS1299 · 4 routesAS1299 → AS701 · 4 routesAS34019 → AS3303 · 3 routesAS3303 → AS6939 · 3 routesAS6939 → AS45903 · 3 routesAS5511 → AS703 · 3 routesAS24482 → AS45903 · 11 routes · best pathAS45903 → 203.205.16.0/21 · 56 routes · best path7AS199524 → AS174 · 7 routes7AS174 → AS703 · 7 routes33AS703 → AS45903 · 33 routes7AS8218 → AS6461 · 7 routes12AS6461 → AS701 · 12 routes23AS701 → AS703 · 23 routes4AS12779 → AS2914 · 4 routes9AS2914 → AS45903 · 9 routes4AS14840 → AS701 · 4 routes4AS13030 → AS1299 · 4 routes4AS1299 → AS701 · 4 routes3AS34019 → AS3303 · 3 routes3AS3303 → AS6939 · 3 routes3AS6939 → AS45903 · 3 routes3AS5511 → AS703 · 3 routes11AS24482 → AS45903 · 11 routes · best path56AS45903 → 203.205.16.0/21 · 56 routes · best pathAS45903CMC TelecomInfrastructure CompanyAS45903 CMC Telecom Infrastructure Company · origin · 56 routes · on the best pathAS703Verizon BusinessAS703 Verizon Business · transit · 33 routesT1AS701Verizon BusinessAS701 Verizon Business · Tier 1 · 23 routesT1AS6461Zayo BandwidthAS6461 Zayo Bandwidth · Tier 1 · 12 routesAS24482SG.GSAS24482 SG.GS · edge network · 11 routes · on the best pathT1AS2914NTT America, Inc.AS2914 NTT America, Inc. · Tier 1 · 9 routesAS199524GCORE G-Core Labs S.A.AS199524 GCORE G-Core Labs S.A. · edge network · 7 routesT1AS174CogentCommunications, LLCAS174 Cogent Communications, LLC · Tier 1 · 7 routesAS8218NEO-ASN ZayoInfrastructure France SAAS8218 NEO-ASN Zayo Infrastructure France SA · edge network · 7 routesAS12779ITGATE IT.Gate S.p.A.AS12779 ITGATE IT.Gate S.p.A. · edge network · 4 routesAS14840BR.Digital TelecomAS14840 BR.Digital Telecom · edge network · 4 routesT2AS13030INIT7 Init7(Switzerland) Ltd.AS13030 INIT7 Init7 (Switzerland) Ltd. · Tier 2 · 4 routesT1AS1299TWELVE99 ArelionSweden ABAS1299 TWELVE99 Arelion Sweden AB · Tier 1 · 4 routesAS34019HIVANE HivaneAssociationAS34019 HIVANE Hivane Association · edge network · 3 routesT2AS3303SWISSCOM Swisscom(Schweiz) AGAS3303 SWISSCOM Swisscom (Schweiz) AG · Tier 2 · 3 routesT2AS6939Hurricane Electric LLCAS6939 Hurricane Electric LLC · Tier 2 · 3 routesT1AS5511Opentransit Orange S.A.AS5511 Opentransit Orange S.A. · Tier 1 · 3 routesT2AS9002RETN-AS RETN LimitedAS9002 RETN-AS RETN Limited · Tier 2 · 3 routes203.205.16.0/21203.205.16.0/21

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 22:11 UTC what the colours mean 12 of 258 paths drawn 3 quieter networks left out

Download PNG View JSON Raw upstream

331collector peers
23RIS collectors
258distinct AS paths
4.2average AS hops, 2 to 6

Upstreams

Networks directly in front of the origin.

NetworkPeersShare
AS703 Verizon Business23170%
AS6939 Hurricane Electric LLC319%
AS2914 NTT America, Inc.206%
AS24482 SG.GS113%
AS8220 COLT COLT Technology Services Group Limited103%
AS8966 Etisalat-AS EMIRATES TELECOMMUNICATIONS GROUP COMPANY (ETISALAT GROUP) PJSC62%
AS4635 Hong Kong Internet Exchange--Route Server 13<1%
AS8359 MTS MTS PJSC3<1%
AS9583 Sify Limited2<1%
AS38008 Aperture Science Limited2<1%

Transit networks

Networks between the collector peer and the origin.

NetworkPeersShare
AS703 Verizon Business23170%
AS701 Verizon Business12738%
AS174 Cogent Communications, LLC7021%
AS1299 TWELVE99 Arelion Sweden AB4213%
AS6939 Hurricane Electric LLC319%
AS3356 Level 3 Parent, LLC206%
AS5511 Opentransit Orange S.A.196%
AS2914 NTT America, Inc.175%
AS6461 Zayo Bandwidth103%
AS8220 COLT COLT Technology Services Group Limited103%

AS paths

Every distinct path the collector peers use, most common first. An ASN repeated to lengthen a path (a prepend) is shown once.

#Path, collector peer to originPeersShareCollectors
1AS24482AS45903113%11
2AS199524AS174AS703AS4590372%7
3AS8218AS6461AS701AS703AS4590372%6
4AS6461AS701AS703AS4590352%5
5AS12779AS2914AS4590341%4
6AS14840AS701AS703AS4590341%2
7AS13030AS1299AS701AS703AS4590341%4
8AS2914AS459033<1%3
9AS34019AS3303AS6939AS459033<1%3
10AS25091AS5511AS703AS459033<1%3
11AS9002AS3356AS701AS703AS459033<1%3
12AS25160AS2914AS459032<1%2
13AS18041AS703AS459032<1%1
14AS142289AS9583AS459032<1%1
15AS15547AS8220AS459032<1%2
16AS59890AS6939AS459032<1%2
17AS2497AS703AS459032<1%2
18AS3257AS701AS703AS459032<1%2
19AS6830AS701AS703AS459032<1%2
20AS3320AS701AS703AS459032<1%2
21AS3491AS701AS703AS459032<1%2
22AS62167AS174AS703AS459032<1%2
23AS1299AS701AS703AS459032<1%2
24AS58057AS34549AS2914AS459032<1%2
25AS6762AS701AS703AS459032<1%2
26AS20612AS8758AS8220AS459032<1%1
27AS271253AS174AS703AS459032<1%1
28AS19151AS174AS703AS459032<1%2
29AS917AS60068AS174AS703AS459032<1%2
30AS42473AS1299AS701AS703AS459032<1%2
31AS48185AS1299AS701AS703AS459032<1%2
32AS34927AS1299AS701AS703AS459032<1%2
33AS49544AS3356AS701AS703AS459032<1%1
34AS31027AS1299AS701AS703AS459032<1%1
35AS35710AS3320AS701AS703AS459032<1%2
36AS51184AS1764AS174AS703AS459032<1%2
37AS48362AS1764AS174AS703AS459032<1%2
38AS51185AS6762AS701AS703AS459032<1%2
39AS47147AS3320AS701AS703AS459032<1%2
40AS49544AS1299AS701AS703AS459032<1%2
41AS47147AS1299AS701AS703AS459032<1%2
42AS17639AS459031<1%1
43AS38008AS459031<1%1
44AS142271AS459031<1%1
45AS36236AS459031<1%1
46AS8529AS459031<1%1
47AS134823AS459031<1%1
48AS18106AS459031<1%1
49AS14907AS459031<1%1
50AS199524AS459031<1%1

50 of 258 paths shown. All of them are in the JSON.

More prefixes from AS45903

Routes seen by RIPE RIS in the 24 hours up to 15 Sep 2026, 22:11 UTC, fetched just now.