Upstream networks
AS12129 123NET
Hosting ARIN
Transit
Upstream networks
Networks observed carrying traffic for AS12129: 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 |
|---|---|---|---|---|
| AS6939 | Hurricane Electric LLC | Transit | IPv4 IPv6 | 2,086 |
| AS1299 | Arelion Sweden AB | Transit | IPv4 IPv6 | 242 |
| AS6461 | Zayo Bandwidth | Transit | IPv4 IPv6 | 238 |
| AS174 | Cogent Communications, LLC | Transit | IPv4 IPv6 | 237 |
| AS3356 | Level 3 Parent, LLC | Transit | IPv4 IPv6 | 153 |
| AS6453 | TATA COMMUNICATIONS (AMERICA) INC | Transit | IPv4 | 95 |
| AS2914 | NTT America, Inc. | Transit | IPv4 IPv6 | 94 |
| AS396998 | Path Network, Inc. | Unclassified | IPv4 | 59 |
| AS3257 | GTT Communications Inc. | Transit | IPv4 | 46 |
| AS20205 | Amplex Electric, Inc. | Residential | IPv4 | 46 |
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 2026-10-12 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.21M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.