Upstream networks
AS160 U-CHICAGO-AS - The University of Chicago
Education APNIC Educational/Research
Transit
Upstream networks
Networks observed carrying traffic for AS160: 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 |
|---|---|---|---|---|
| AS11164 | Internet2 | Education | IPv4 IPv6 | 136 |
| AS6461 | Zayo Bandwidth | Transit | IPv4 IPv6 | 126 |
| AS174 | Cogent Communications, LLC | Transit | IPv4 IPv6 | 98 |
| AS11537 | Internet2 | Unclassified | IPv4 IPv6 | 30 |
| AS293 | ESnet | Unclassified | IPv4 | 5 |
| AS2153 | CENIC | Unclassified | IPv4 | 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 2026-11-05 10:00 UTC by route-views2,rrc00, as seen from 76 BGP vantage points across 73.57M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.