Upstream networks
AS139139 SYAUNET Shenyang Agricultural University
Unclassified RIPE
Transit
Upstream networks
Networks observed carrying traffic for AS139139: 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 |
|---|---|---|---|---|
| AS4538 | China Education and Research Network Center | Education | IPv4 | 177 |
| AS24369 | CERNET2 IX at Northeast University | Unclassified | IPv6 | 39 |
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 2026-10-25 12:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.17M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.