BGP map for 2001:1878:402::/48
2001:1878:402::/48 is announced by AS4 University of Southern California and seen by 114 peers of 21 RIPE RIS collectors, over 85 different AS paths. All of those routes reach it through one upstream, AS567 Los Nettos. The most common path, used by 7 peers, is AS8218 AS6461 AS2152 AS567 AS4.
Routes checked 12:43:40 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 22:26 UTC on 25 Oct, when this site first looked at 2001:1878:402::/48.
origin Tier 1Tier 2transitedge network prefix best path: chosen by 7 of 114 peers (6%) number on a line = peers using that link RIS data up to 09:59 UTC what the colours mean 12 of 85 paths drawn 2 quieter networks left out
Upstreams
Networks directly in front of the origin.
| Network | Peers | Share |
|---|---|---|
| AS567 Los Nettos | 114 | 100% |
Transit networks
Networks between the collector peer and the origin.
| Network | Peers | Share |
|---|---|---|
| AS2152 CENIC | 114 | 100% |
| AS567 Los Nettos | 114 | 100% |
| AS11164 Internet2 | 61 | 54% |
| AS6461 Zayo Bandwidth | 29 | 25% |
| AS3491 PCCW Global (HK) Ltd. | 23 | 20% |
| AS3303 SWISSCOM Swisscom (Schweiz) AG | 16 | 14% |
| AS2153 CENIC | 7 | 6% |
| AS11537 Internet2 | 6 | 5% |
| AS8758 IWAY Iway AG | 5 | 4% |
| AS8220 COLT COLT Technology Services Group Limited | 4 | 4% |
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 85 paths shown. All of them are in the JSON.
More prefixes from AS4
Routes seen by RIPE RIS in the 24 hours up to 8 Nov 2026, 09:59 UTC, fetched just now.