Upstream networks
AS17003 ZOETIS-INC
Unclassified ARIN
Transit
Upstream networks
Networks observed carrying traffic for AS17003: 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 | 95 |
| AS33668 | Comcast Cable Communications, LLC | Residential | IPv4 | 60 |
| AS703 | Verizon Business | Unclassified | IPv4 | 58 |
| AS33287 | Comcast Cable Communications, LLC | Unclassified | IPv4 | 50 |
| AS33651 | Comcast Cable Communications, LLC | Unclassified | IPv4 | 40 |
| AS33667 | Comcast Cable Communications, LLC | Unclassified | IPv4 | 20 |
| AS19653 | CTS Communications Corp | Residential | IPv4 | 15 |
| AS701 | Verizon Business | Residential | IPv4 | 10 |
| AS33659 | Comcast Cable Communications, LLC | Unclassified | IPv4 | 9 |
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 2026-10-16 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.23M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.