Upstream networks
AS393689 NLM-NCCS
Unclassified ARIN
Transit
Upstream networks
Networks observed carrying traffic for AS393689: 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 |
|---|---|---|---|---|
| AS10886 | University of Maryland | Education | IPv4 IPv6 | 187 |
| AS11164 | Internet2 | Education | IPv4 IPv6 | 56 |
| AS11537 | Internet2 | Unclassified | IPv4 IPv6 | 25 |
| AS70 | National Library of Medicine | Unclassified | IPv4 | 4 |
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 2026-10-27 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.06M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.