BGP map for 209.52.104.0/21
209.52.104.0/21 is announced by AS852 TELUS Communications Inc. and seen by 328 peers of 23 RIPE RIS collectors, over 255 different AS paths. Its busiest upstreams are AS1299 TWELVE99 (28%), AS174 Cogent Communications, LLC (21%) and AS2914 NTT America, Inc. (17%). The most common path, used by 11 peers, is AS24482 AS2914 AS852.
Routes checked 18:04:06 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 18:04 UTC, when this site first looked at 209.52.104.0/21.
origin Tier 1Tier 2edge network prefix best path: chosen by 11 of 328 peers (3%) number on a line = peers using that link RIS data up to 18:03 UTC what the colours mean 12 of 255 paths drawn 5 quieter networks left out
Upstreams
Networks directly in front of the origin.
| Network | Peers | Share |
|---|---|---|
| AS1299 TWELVE99 Arelion Sweden AB | 92 | 28% |
| AS174 Cogent Communications, LLC | 68 | 21% |
| AS2914 NTT America, Inc. | 57 | 17% |
| AS3257 GTT-BACKBONE GTT Communications Inc. | 40 | 12% |
| AS6461 Zayo Bandwidth | 15 | 5% |
| AS6939 Hurricane Electric LLC | 15 | 5% |
| AS3491 PCCW Global (HK) Ltd. | 11 | 3% |
| AS3303 SWISSCOM Swisscom (Schweiz) AG | 8 | 2% |
| AS13030 INIT7 Init7 (Switzerland) Ltd. | 5 | 2% |
| AS60068 CDN77 Datacamp Limited | 4 | 1% |
Transit networks
Networks between the collector peer and the origin.
| Network | Peers | Share |
|---|---|---|
| AS1299 TWELVE99 Arelion Sweden AB | 90 | 27% |
| AS174 Cogent Communications, LLC | 68 | 21% |
| AS2914 NTT America, Inc. | 54 | 16% |
| AS3257 GTT-BACKBONE GTT Communications Inc. | 39 | 12% |
| AS6939 Hurricane Electric LLC | 15 | 5% |
| AS6461 Zayo Bandwidth | 10 | 3% |
| AS3303 SWISSCOM Swisscom (Schweiz) AG | 8 | 2% |
| AS3356 Level 3 Parent, LLC | 8 | 2% |
| AS3491 PCCW Global (HK) Ltd. | 8 | 2% |
| AS6453 TATA COMMUNICATIONS (AMERICA) INC | 5 | 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 255 paths shown. All of them are in the JSON.
More prefixes from AS852
Routes seen by RIPE RIS in the 24 hours up to 15 Sep 2026, 18:03 UTC, fetched just now.