Upstream networks
AS12552 IPO-EU
Unclassified RIPE
Transit
Upstream networks
Networks observed carrying traffic for AS12552: 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 |
|---|---|---|---|---|
| AS3356 | Level 3 Parent, LLC | Transit | IPv4 IPv6 | 3,666 |
| AS1299 | Arelion Sweden AB | Transit | IPv4 IPv6 | 2,574 |
| AS6939 | Hurricane Electric LLC | Transit | IPv4 IPv6 | 2,143 |
| AS9002 | RETN Limited | Unclassified | IPv4 | 835 |
| AS34549 | meerfarbig GmbH & Co. KG | Hosting | IPv4 | 744 |
| AS49788 | Nexthop AS | Unclassified | IPv4 | 439 |
| AS6797 | GlobalConnect AB | Unclassified | IPv4 IPv6 | 387 |
| AS31027 | GlobalConnect A/S | Unclassified | IPv4 | 312 |
| AS24482 | SG.GS | Hosting | IPv4 IPv6 | 288 |
| AS37721 | Virtual Technologies & Solutions | Residential | IPv4 IPv6 | 288 |
| AS48362 | Stadtwerke Feldkirch | Residential | IPv4 IPv6 | 288 |
| AS50300 | CustodianDC Limited | Unclassified | IPv4 IPv6 | 288 |
| AS42708 | Glesys AB | Unclassified | IPv4 IPv6 | 282 |
| AS50304 | Blix Solutions AS | Unclassified | IPv4 IPv6 | 282 |
| AS17639 | Converge ICT Solutions Inc. | Unclassified | IPv4 IPv6 | 281 |
| AS48185 | team.blue NV | Unclassified | IPv4 IPv6 | 278 |
| AS3320 | Deutsche Telekom AG | Mobile | IPv4 IPv6 | 276 |
| AS3741 | Dimension Data | Unclassified | IPv4 | 258 |
| AS34927 | iFog GmbH | Hosting | IPv4 | 258 |
| AS3303 | Swisscom (Schweiz) AG | Residential | IPv4 | 251 |
| AS12389 | PJSC Rostelecom | Residential | IPv4 | 251 |
| AS4657 | StarHub Ltd | Residential | IPv4 | 248 |
| AS37100 | SEACOM Limited | Unclassified | IPv4 | 247 |
| AS3333 | Reseaux IP Europeens Network Coordination Centre (RIPE NCC) | Unclassified | IPv4 IPv6 | 238 |
| AS293 | ESnet | Unclassified | IPv4 | 208 |
| AS20766 | Association "Gitoyen" | Unclassified | IPv4 | 208 |
| AS50673 | Serverius Holding B.V. | Unclassified | IPv4 | 208 |
| AS4637 | Telstra Global | Unclassified | IPv4 | 162 |
| AS34019 | Hivane Association | Unclassified | IPv4 IPv6 | 80 |
| AS20473 | The Constant Company, LLC | Hosting | IPv6 | 30 |
| AS38001 | NewMedia Express Pte Ltd | Hosting | IPv6 | 30 |
| AS56655 | Gigahost AS | Unclassified | IPv6 | 30 |
| AS213241 | TECHIT.BE SRL | Residential | IPv6 | 30 |
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 2026-10-24 16:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.19M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.