Upstream networks
AS23764 CTGNET CTGNet
Unclassified APNIC NSP
Transit
Upstream networks
Networks observed carrying traffic for AS23764: 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 | 1,972 |
| AS6939 | Hurricane Electric LLC | Transit | IPv4 IPv6 | 1,707 |
| AS1299 | Arelion Sweden AB | Transit | IPv4 IPv6 | 869 |
| AS34549 | meerfarbig GmbH & Co. KG | Hosting | IPv4 IPv6 | 737 |
| AS2914 | NTT America, Inc. | Transit | IPv4 | 445 |
| AS174 | Cogent Communications, LLC | Transit | IPv4 IPv6 | 337 |
| AS6762 | TELECOM ITALIA SPARKLE S.p.A. | Transit | IPv4 IPv6 | 240 |
| AS24482 | SG.GS | Hosting | IPv4 IPv6 | 210 |
| AS17639 | Converge ICT Solutions Inc. | Unclassified | IPv4 IPv6 | 202 |
| AS3333 | Reseaux IP Europeens Network Coordination Centre (RIPE NCC) | Unclassified | IPv4 IPv6 | 198 |
| AS29504 | Freenet Liberec, z.s. | Unclassified | IPv4 IPv6 | 198 |
| AS48185 | team.blue NV | Unclassified | IPv4 IPv6 | 198 |
| AS48362 | Stadtwerke Feldkirch | Residential | IPv4 IPv6 | 198 |
| AS50304 | Blix Solutions AS | Unclassified | IPv4 IPv6 | 198 |
| AS50673 | Serverius Holding B.V. | Unclassified | IPv4 IPv6 | 198 |
| AS204092 | Association GRIFON | Unclassified | IPv4 IPv6 | 198 |
| AS50628 | Leonix Telecom SAS | Unclassified | IPv4 IPv6 | 195 |
| AS45049 | Mohamed El Bouddunti | Residential | IPv4 IPv6 | 193 |
| AS50300 | CustodianDC Limited | Unclassified | IPv4 IPv6 | 193 |
| AS3257 | GTT Communications Inc. | Transit | IPv4 IPv6 | 182 |
| AS3320 | Deutsche Telekom AG | Mobile | IPv4 IPv6 | 178 |
| AS42708 | Glesys AB | Unclassified | IPv4 IPv6 | 178 |
| AS3303 | Swisscom (Schweiz) AG | Residential | IPv4 | 175 |
| AS20485 | Joint Stock Company TransTeleCom | Unclassified | IPv4 | 175 |
| AS212024 | Marc Schmitt | Unclassified | IPv4 | 174 |
| AS37100 | SEACOM Limited | Unclassified | IPv4 | 173 |
| AS202297 | Skylon Solutions Limited | Unclassified | IPv4 | 171 |
| AS3741 | Dimension Data | Unclassified | IPv4 | 170 |
| AS9304 | HGC Global Communications Limited | Hosting | IPv6 | 169 |
| AS37721 | Virtual Technologies & Solutions | Residential | IPv4 IPv6 | 168 |
| AS37989 | DCS1 Pte. Ltd. | Hosting | IPv4 IPv6 | 168 |
| AS38001 | NewMedia Express Pte Ltd | Hosting | IPv4 IPv6 | 165 |
| AS1836 | green.ch AG | Residential | IPv4 | 151 |
| AS12779 | IT.Gate S.p.A. | Unclassified | IPv4 | 151 |
| AS12552 | GlobalConnect AB | Unclassified | IPv4 | 147 |
| AS55720 | Gigabit Hosting Sdn Bhd | Hosting | IPv4 | 147 |
| AS12956 | TELEFONICA GLOBAL SOLUTIONS SL | Transit | IPv4 IPv6 | 146 |
| AS34927 | iFog GmbH | Hosting | IPv4 | 146 |
| AS4637 | Telstra Global | Unclassified | IPv4 | 120 |
| AS29632 | Netassist International EOOD | Unclassified | IPv6 | 54 |
| AS20473 | The Constant Company, LLC | Hosting | IPv6 | 27 |
| AS213241 | TECHIT.BE SRL | Residential | IPv6 | 27 |
| AS293 | ESnet | Unclassified | IPv4 | 17 |
| AS35661 | VIRTUA SYSTEMS SAS | Unclassified | IPv6 | 16 |
| AS61292 | Blix Group AS | Unclassified | IPv6 | 16 |
| AS56655 | Gigahost AS | Unclassified | IPv4 IPv6 | 14 |
| AS8966 | EMIRATES TELECOMMUNICATIONS GROUP COMPANY (ETISALAT GROUP) PJSC | Mobile | IPv4 | 10 |
| AS33891 | Core-Backbone GmbH | Hosting | IPv4 | 8 |
| AS48200 | Opteamax GmbH | Unclassified | IPv4 | 7 |
| AS9002 | RETN Limited | Unclassified | IPv6 | 5 |
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 2026-10-11 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.47M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.