Upstream networks
AS19281 QUAD9-AS-1
Hosting ARIN Content
Transit
Upstream networks
Networks observed carrying traffic for AS19281: 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 |
|---|---|---|---|---|
| AS42 | WoodyNet, Inc. | Unclassified | IPv4 IPv6 | 197 |
| AS49544 | i3D.net B.V | Unclassified | IPv4 IPv6 | 61 |
| AS5050 | Pittsburgh Supercomputing Center | Education | IPv4 | 58 |
| AS20326 | TeraSwitch Networks Inc. | Unclassified | IPv4 IPv6 | 11 |
| AS58511 | Anycast Global Backbone | Unclassified | IPv4 IPv6 | 7 |
| AS2495 | Kansas Research and Education Network | Unclassified | IPv4 IPv6 | 4 |
| AS49115 | E-MAX INTERNET & IT s.r.o. | Residential | IPv4 IPv6 | 4 |
| AS51095 | EdgeUno, Inc. | Hosting | IPv4 IPv6 | 4 |
| AS152735 | Guam Exchange | Unclassified | IPv4 IPv6 | 4 |
| AS198385 | AlpineDC SA | Unclassified | IPv4 | 3 |
| AS328977 | Wavex Internet Service Provider LTD | Residential | IPv4 | 3 |
| AS50629 | LWLcom GmbH | Unclassified | IPv6 | 1 |
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.