Upstream networks
AS45133 SINGAPORE-POLYTECHNIC-AS-AP Singapore Polytechnic
Unclassified APNIC Educational/Research
Transit
Upstream networks
Networks observed carrying traffic for AS45133: 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 |
|---|---|---|---|---|
| AS139883 | SPTEL PTE. LTD. | Unclassified | IPv4 IPv6 | 116 |
| AS3758 | SingNet | Residential | IPv4 IPv6 | 107 |
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.