Upstream networks
AS131923 MCAT - MCAT Ltd.
Residential ARIN
Transit
Upstream networks
Networks observed carrying traffic for AS131923: the AS immediately before it in a routing path. Ranked by how many paths showed the relationship, which reflects how widely it is used, not how much traffic crosses it.
| AS | Network | Type | Families | Paths seen |
|---|---|---|---|---|
| AS4713 | NTT DOCOMO BUSINESS,Inc. | Residential | IPv4 IPv6 | 322 |
| AS17676 | SoftBank Corp. | Mobile | IPv4 IPv6 | 174 |
| AS2519 | ARTERIA Networks Corporation | Unclassified | IPv4 IPv6 | 93 |
| AS24482 | SG.GS | Hosting | IPv4 IPv6 | 11 |
| AS9002 | RETN Limited | Unclassified | IPv4 | 10 |
| AS132132 | MyRepublic Ltd. | Residential | IPv4 | 10 |
| AS9304 | HGC Global Communications Limited | Hosting | IPv6 | 1 |
Inferred from path position, not from any declaration by either party. A network appearing here is carrying these routes; whether that is a paid transit arrangement, a backup, or something else is not something routing data can tell you.
Derived from routing tables collected at 2026-11-07 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 72.97M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.