BGP map for 2401:b180:4100::/48
2401:b180:4100::/48 is announced by 2 networks, mostly AS45102 Alibaba (US) Technology Co., Ltd. and seen by 353 peers of 23 RIPE RIS collectors, over 252 different AS paths. Its busiest upstreams are AS7473 Singapore Telecommunications Ltd (68%), AS2914 NTT America, Inc. (8%) and AS3491 PCCW Global (HK) Ltd. (8%). The most common path, used by 22 peers, is AS6939 AS7473 AS45102.
Routes checked 19:59:49 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 06:50 UTC on 29 Oct, when this site first looked at 2401:b180:4100::/48.
origin Tier 1Tier 2edge network prefix best path: chosen by 22 of 353 peers (6%) number on a line = peers using that link RIS data up to 19:59 UTC what the colours mean 12 of 252 paths drawn
Upstreams
Networks directly in front of the origin.
| Network | Peers | Share |
|---|---|---|
| AS7473 Singapore Telecommunications Ltd | 239 | 68% |
| AS2914 NTT America, Inc. | 30 | 8% |
| AS3491 PCCW Global (HK) Ltd. | 29 | 8% |
| AS3356 Level 3 Parent, LLC | 24 | 7% |
| AS174 Cogent Communications, LLC | 11 | 3% |
| AS6453 TATA COMMUNICATIONS (AMERICA) INC | 7 | 2% |
| AS4837 CHINA UNICOM China169 Backbone | 6 | 2% |
| AS12956 TELXIUS TELEFONICA GLOBAL SOLUTIONS SL | 3 | <1% |
| AS4816 China Telecom (Group) | 3 | <1% |
| AS60068 CDN77 Datacamp Limited | 1 | <1% |
Transit networks
Networks between the collector peer and the origin.
| Network | Peers | Share |
|---|---|---|
| AS7473 Singapore Telecommunications Ltd | 239 | 68% |
| AS6939 Hurricane Electric LLC | 192 | 54% |
| AS2914 NTT America, Inc. | 27 | 8% |
| AS3491 PCCW Global (HK) Ltd. | 26 | 7% |
| AS3356 Level 3 Parent, LLC | 24 | 7% |
| AS6461 Zayo Bandwidth | 15 | 4% |
| AS174 Cogent Communications, LLC | 11 | 3% |
| AS6453 TATA COMMUNICATIONS (AMERICA) INC | 6 | 2% |
| AS4837 CHINA UNICOM China169 Backbone | 5 | 1% |
| AS4816 China Telecom (Group) | 3 | <1% |
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 252 paths shown. All of them are in the JSON.
More prefixes from AS45102
Routes seen by RIPE RIS in the 24 hours up to 31 Oct 2026, 19:59 UTC, fetched just now.