Upstream networks
AS19528 MPDCOL
Hosting ARIN NSP
Transit
Upstream networks
Networks observed carrying traffic for AS19528: 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 |
|---|---|---|---|---|
| AS6515 | DACS-IX | Unclassified | IPv4 | 462 |
| AS3356 | Level 3 Parent, LLC | Transit | IPv4 | 297 |
| AS6461 | Zayo Bandwidth | Transit | IPv4 IPv6 | 272 |
| AS2914 | NTT America, Inc. | Transit | IPv4 | 5 |
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 2026-10-24 16:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.19M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.