Upstream networks
AS11521 MODUSLINK
Unclassified ARIN
Transit
Upstream networks
Networks observed carrying traffic for AS11521: 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 |
|---|---|---|---|---|
| AS15695 | Expereo International BV | Unclassified | IPv4 | 112 |
| AS7018 | AT&T Enterprises, LLC | Residential | IPv4 | 59 |
| AS29208 | Quantcom, a.s. | Unclassified | IPv4 | 56 |
| AS9255 | Singapore Telecom | Unclassified | IPv4 | 5 |
| AS25248 | RADIOKOMUNIKACE a.s. | Unclassified | IPv4 | 3 |
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 2026-10-18 10:00 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.