Upstream networks
AS21396 NETCONNEX NetConnex Broadband Ltd.
Hosting RIPE
Transit
Upstream networks
Networks observed carrying traffic for AS21396: 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 |
|---|---|---|---|---|
| AS2914 | NTT America, Inc. | Transit | IPv4 IPv6 | 186 |
| AS6939 | Hurricane Electric LLC | Transit | IPv4 IPv6 | 148 |
| AS41230 | ASK4 Limited | Residential | IPv4 IPv6 | 88 |
| AS6762 | TELECOM ITALIA SPARKLE S.p.A. | Transit | IPv4 IPv6 | 73 |
| AS33891 | Core-Backbone GmbH | Hosting | IPv4 | 16 |
| AS29169 | GANDI SAS | Hosting | IPv4 IPv6 | 12 |
| AS42708 | Glesys AB | Unclassified | IPv4 IPv6 | 12 |
| AS48185 | team.blue NV | Unclassified | IPv4 IPv6 | 12 |
| AS50300 | CustodianDC Limited | Unclassified | IPv4 IPv6 | 12 |
| AS3741 | Dimension Data | Unclassified | IPv4 | 8 |
| AS4637 | Telstra Global | Unclassified | IPv4 | 8 |
| AS12552 | GlobalConnect AB | Unclassified | IPv4 | 8 |
| AS20562 | Broadband Hosting B.V. | Hosting | IPv4 | 8 |
| AS37100 | SEACOM Limited | Unclassified | IPv4 | 8 |
| AS13030 | Init7 (Switzerland) Ltd. | Hosting | IPv6 | 4 |
| AS35200 | TransitX Ltd | 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 2026-10-21 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.14M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.