Upstream networks
AS203818 mwam Marshall Wace Asset Management Ltd
Unclassified RIPE
Transit
Upstream networks
Networks observed carrying traffic for AS203818: 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 |
|---|---|---|---|---|
| AS6461 | Zayo Bandwidth | Transit | IPv4 | 101 |
| AS13237 | euNetworks GmbH | Unclassified | IPv4 | 57 |
| AS9304 | HGC Global Communications Limited | Hosting | IPv4 | 53 |
| AS174 | Cogent Communications, LLC | Transit | IPv4 | 48 |
| AS1299 | Arelion Sweden AB | Transit | IPv4 | 36 |
| AS4657 | StarHub Ltd | Residential | IPv4 | 34 |
| AS7473 | Singapore Telecommunications Ltd | Unclassified | IPv4 | 25 |
| AS10103 | HK Broadband Network Ltd. | Residential | IPv4 | 7 |
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 2026-11-14 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 74.46M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.