Upstream networks
AS51976 JP-TELEKOM-AS
Unclassified RIPE
Transit
Upstream networks
Networks observed carrying traffic for AS51976: 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 |
|---|---|---|---|---|
| AS5617 | Orange Polska Spolka Akcyjna | Mobile | IPv4 | 27 |
| AS12831 | Technical University of Gdansk, Academic Computer Center TASK | Unclassified | IPv4 | 24 |
| AS39816 | Volta Communications Sp.z.o.o. | Residential | IPv4 | 6 |
| AS51155 | Citylink Telecom Sp. z o.o. | Unclassified | IPv4 | 2 |
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 2026-10-28 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.