Upstream networks
AS20135 MTL-19 - Millennium Telcom LLC
Unclassified ARIN
Transit
Upstream networks
Networks observed carrying traffic for AS20135: 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 |
|---|---|---|---|---|
| AS174 | Cogent Communications, LLC | Transit | IPv4 IPv6 | 2,018 |
| AS6939 | Hurricane Electric LLC | Transit | IPv4 | 524 |
| AS6461 | Zayo Bandwidth | Transit | IPv4 IPv6 | 119 |
| AS5056 | Aureon Network Services | Residential | IPv4 | 27 |
| AS46887 | Crown Castle Fiber LLC | Unclassified | IPv4 | 21 |
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 2026-11-13 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 74.40M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.