Upstream networks
AS16417 IRONPORT-SYSTEMS-INC
Unclassified ARIN
Transit
Upstream networks
Networks observed carrying traffic for AS16417: 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 |
|---|---|---|---|---|
| AS12182 | Unitas Global | Hosting | IPv4 IPv6 | 1,296 |
| AS23005 | SWITCH, LTD | Unclassified | IPv4 IPv6 | 1,251 |
| AS22911 | SINAP-TIX, LLC | Unclassified | IPv4 IPv6 | 1,146 |
| AS174 | Cogent Communications, LLC | Transit | IPv4 IPv6 | 1,098 |
| AS15830 | Equinix (EMEA) Acquisition Enterprises B.V. | Hosting | IPv4 IPv6 | 792 |
| AS6939 | Hurricane Electric LLC | Transit | IPv4 IPv6 | 687 |
| AS6327 | Shaw Communications | Residential | IPv4 IPv6 | 231 |
| AS209 | CenturyLink Communications, LLC | Residential | IPv4 IPv6 | 228 |
| AS24482 | SG.GS | Hosting | IPv4 | 40 |
| AS22652 | Videotron Ltee | Residential | IPv4 | 4 |
| AS394256 | Tech Futures Interactive Inc. | Unclassified | IPv4 | 2 |
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 2026-10-31 10:00 UTC by route-views2,rrc00, as seen from 76 BGP vantage points across 74.50M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.