BGP map for 121.45.208.0/20
121.45.208.0/20 is announced by AS7545 TPG Telecom Limited and seen by 327 peers of 23 RIPE RIS collectors, over 259 different AS paths. Its busiest upstreams are AS174 Cogent Communications, LLC (48%), AS6453 TATA COMMUNICATIONS (AMERICA) INC (30%) and AS4635 Hong Kong Internet Exchange--Route Server 1 (13%). The most common path, used by 11 peers, is AS24482 AS7545.
Routes checked 21:17:10 UTC. This page checks again every 30 seconds while it is open.
No change in the origin, the upstreams or the number of peers since 21:17 UTC, when this site first looked at 121.45.208.0/20.
origin Tier 1Tier 2transitedge network prefix best path: chosen by 11 of 327 peers (3%) number on a line = peers using that link RIS data up to 21:16 UTC what the colours mean 12 of 259 paths drawn 4 quieter networks left out
Upstreams
Networks directly in front of the origin.
| Network | Peers | Share |
|---|---|---|
| AS174 Cogent Communications, LLC | 156 | 48% |
| AS6453 TATA COMMUNICATIONS (AMERICA) INC | 98 | 30% |
| AS4635 Hong Kong Internet Exchange--Route Server 1 | 41 | 13% |
| AS24482 SG.GS | 11 | 3% |
| AS8220 COLT COLT Technology Services Group Limited | 8 | 2% |
| AS3356 Level 3 Parent, LLC | 6 | 2% |
| AS8359 MTS MTS PJSC | 3 | <1% |
| AS36236 NetActuate, Inc | 1 | <1% |
| AS49544 i3Dnet i3D.net B.V | 1 | <1% |
| AS1221 Telstra Limited | 1 | <1% |
Transit networks
Networks between the collector peer and the origin.
| Network | Peers | Share |
|---|---|---|
| AS174 Cogent Communications, LLC | 156 | 48% |
| AS6453 TATA COMMUNICATIONS (AMERICA) INC | 97 | 30% |
| AS4635 Hong Kong Internet Exchange--Route Server 1 | 41 | 13% |
| AS1299 TWELVE99 Arelion Sweden AB | 38 | 12% |
| AS6939 Hurricane Electric LLC | 32 | 10% |
| AS3356 Level 3 Parent, LLC | 18 | 6% |
| AS2914 NTT America, Inc. | 17 | 5% |
| AS6461 Zayo Bandwidth | 10 | 3% |
| AS3303 SWISSCOM Swisscom (Schweiz) AG | 9 | 3% |
| AS8220 COLT COLT Technology Services Group Limited | 8 | 2% |
AS paths
Every distinct path the collector peers use, most common first. An ASN repeated to lengthen a path (a prepend) is shown once.
50 of 259 paths shown. All of them are in the JSON.
More prefixes from AS7545
Routes seen by RIPE RIS in the 24 hours up to 15 Sep 2026, 21:16 UTC, fetched just now.