Upstream networks
AS4538 ERX-CERNET-BKB China Education and Research Network Center
Education RIPE
Transit
Upstream networks
Networks observed carrying traffic for AS4538: 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 |
|---|---|---|---|---|
| AS23764 | CTGNet | Unclassified | IPv4 | 37,177 |
| AS4837 | CHINA UNICOM China169 Backbone | Mobile | IPv4 | 10,936 |
| AS4134 | No.31,Jin-rong Street | Residential | IPv4 IPv6 | 10,351 |
| AS6939 | Hurricane Electric LLC | Transit | IPv4 IPv6 | 3,867 |
| AS6453 | TATA COMMUNICATIONS (AMERICA) INC | Transit | IPv4 IPv6 | 3,291 |
| AS4635 | Hong Kong Internet Exchange--Route Server 1 | Unclassified | IPv4 | 1,929 |
| AS1299 | Arelion Sweden AB | Transit | IPv4 IPv6 | 1,140 |
| AS2914 | NTT America, Inc. | Transit | IPv4 IPv6 | 861 |
| AS140570 | Hong Kong Beecloud System Technology Services Limited | Hosting | IPv4 | 726 |
| AS174 | Cogent Communications, LLC | Transit | IPv4 IPv6 | 695 |
| AS23911 | China Next Generation Internet Beijing IX | Unclassified | IPv4 | 635 |
| AS58453 | China Mobile International Limited | Unclassified | IPv4 IPv6 | 633 |
| AS3491 | PCCW Global (HK) Ltd. | Transit | IPv4 IPv6 | 339 |
| AS24482 | SG.GS | Hosting | IPv4 | 302 |
| AS20965 | GEANT Vereniging | Unclassified | IPv4 | 165 |
| AS8359 | MTS PJSC | Mobile | IPv4 | 110 |
| AS9930 | TIME dotCom Berhad No. 14, Jalan Majistret U1/26 Hicom Glenmarie Industrial Park 40150 Shah Alam Selangor, Malaysia | Unclassified | IPv4 | 77 |
| AS7497 | Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) | Education | IPv4 | 40 |
| AS23910 | China Next Generation Internet CERNET2 | Unclassified | IPv6 | 38 |
| AS7660 | Asia Pacific Advanced Network - Japan | Unclassified | IPv4 | 20 |
| AS23855 | Singapore Advanced Research and Education Network | Unclassified | IPv4 | 2 |
| AS9808 | China Mobile Communications Group Co., Ltd. | Mobile | IPv4 | 1 |
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 2026-10-15 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.09M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.