Upstream networks
AS1257 TELE2
Mobile RIPE
Transit
Upstream networks
Networks observed carrying traffic for AS1257: 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 |
|---|---|---|---|---|
| AS1299 | Arelion Sweden AB | Transit | IPv4 IPv6 | 4,616 |
| AS6939 | Hurricane Electric LLC | Transit | IPv4 IPv6 | 3,573 |
| AS2914 | NTT America, Inc. | Transit | IPv4 IPv6 | 3,420 |
| AS9002 | RETN Limited | Unclassified | IPv4 IPv6 | 2,686 |
| AS174 | Cogent Communications, LLC | Transit | IPv4 IPv6 | 2,231 |
| AS6453 | TATA COMMUNICATIONS (AMERICA) INC | Transit | IPv4 IPv6 | 675 |
| AS6762 | TELECOM ITALIA SPARKLE S.p.A. | Transit | IPv4 IPv6 | 636 |
| AS3303 | Swisscom (Schweiz) AG | Residential | IPv4 IPv6 | 347 |
| AS3333 | Reseaux IP Europeens Network Coordination Centre (RIPE NCC) | Unclassified | IPv4 IPv6 | 344 |
| AS42708 | Glesys AB | Unclassified | IPv4 IPv6 | 344 |
| AS1273 | IDDQD-AS | Business | IPv4 IPv6 | 342 |
| AS2497 | Internet Initiative Japan Inc. | Unclassified | IPv4 | 314 |
| AS33891 | Core-Backbone GmbH | Hosting | IPv4 | 312 |
| AS12552 | GlobalConnect AB | Unclassified | IPv4 | 311 |
| AS4637 | Telstra Global | Unclassified | IPv4 | 291 |
| AS6830 | Liberty Global Europe Holding B.V. | Residential | IPv4 | 291 |
| AS13030 | Init7 (Switzerland) Ltd. | Hosting | IPv6 | 32 |
| AS3320 | Deutsche Telekom AG | Mobile | IPv4 | 14 |
| AS24482 | SG.GS | Hosting | IPv4 IPv6 | 14 |
| AS6461 | Zayo Bandwidth | Transit | IPv4 | 13 |
| AS3491 | PCCW Global (HK) Ltd. | Transit | IPv4 | 6 |
| AS8434 | Telenor Sverige AB | Residential | IPv4 | 3 |
| AS197603 | Transtema Network Services AB | Unclassified | IPv4 | 3 |
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 2026-10-17 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.18M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.