Upstream networks
AS19901 BRSPD-PUBLIC
Residential APNIC Cable/DSL/ISP
Transit
Upstream networks
Networks observed carrying traffic for AS19901: 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 |
|---|---|---|---|---|
| AS3356 | Level 3 Parent, LLC | Transit | IPv4 IPv6 | 75,845 |
| AS12129 | 123.Net, Inc. | Hosting | IPv4 IPv6 | 872 |
| AS13335 | Cloudflare, Inc. | Hosting | IPv4 | 260 |
| AS36086 | Telx | Unclassified | IPv4 | 250 |
| AS49915 | Megaport (UK) Limited | Unclassified | IPv4 | 42 |
| AS20205 | Amplex Electric, Inc. | Residential | IPv4 | 13 |
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 2026-10-22 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.12M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.