Upstream networks
AS12577 MMC-AT-AS MMC GmbH
Unclassified RIPE Cable/DSL/ISP
Transit
Upstream networks
Networks observed carrying traffic for AS12577: 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 |
|---|---|---|---|---|
| AS33891 | Core-Backbone GmbH | Hosting | IPv4 IPv6 | 62 |
| AS174 | Cogent Communications, LLC | Transit | IPv4 IPv6 | 48 |
| AS6939 | Hurricane Electric LLC | Transit | IPv4 IPv6 | 34 |
| AS34549 | meerfarbig GmbH & Co. KG | Hosting | IPv4 | 3 |
| AS48362 | Stadtwerke Feldkirch | Residential | IPv4 IPv6 | 3 |
| AS3303 | Swisscom (Schweiz) AG | Residential | IPv4 | 2 |
| AS9002 | RETN Limited | Unclassified | IPv6 | 1 |
| AS12779 | IT.Gate S.p.A. | Unclassified | IPv4 | 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 2026-11-03 10:00 UTC by route-views2,rrc00, as seen from 76 BGP vantage points across 74.45M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.