Upstream networks
AS21528 ALASCONNECT
Unclassified ARIN
Transit
Upstream networks
Networks observed carrying traffic for AS21528: 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 |
|---|---|---|---|---|
| AS11090 | Matanuska Telecom Association, Incorporated | Residential | IPv4 IPv6 | 235 |
| AS7782 | Alaska Communications Systems Group, Inc. | Residential | IPv4 | 55 |
| AS8047 | GENERAL COMMUNICATION, INC. | Residential | IPv4 | 11 |
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 2026-11-01 10:00 UTC by route-views2,rrc00, as seen from 76 BGP vantage points across 74.48M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.