Upstream networks
AS18403 FPT-AS-AP FPT Telecom Company
Residential APNIC Cable/DSL/ISP
Transit
Upstream networks
Networks observed carrying traffic for AS18403: 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 |
|---|---|---|---|---|
| AS6939 | Hurricane Electric LLC | Transit | IPv4 | 40,699 |
| AS3356 | Level 3 Parent, LLC | Transit | IPv4 IPv6 | 17,220 |
| AS1299 | Arelion Sweden AB | Transit | IPv4 IPv6 | 9,452 |
| AS38001 | NewMedia Express Pte Ltd | Hosting | IPv4 IPv6 | 8,447 |
| AS24482 | SG.GS | Hosting | IPv4 IPv6 | 8,439 |
| AS37989 | DCS1 Pte. Ltd. | Hosting | IPv4 | 4,710 |
| AS4635 | Hong Kong Internet Exchange--Route Server 1 | Unclassified | IPv4 | 4,705 |
| AS4637 | Telstra Global | Unclassified | IPv4 IPv6 | 4,612 |
| AS9930 | TIME dotCom Berhad No. 14, Jalan Majistret U1/26 Hicom Glenmarie Industrial Park 40150 Shah Alam Selangor, Malaysia | Unclassified | IPv4 | 4,126 |
| AS12389 | PJSC Rostelecom | Residential | IPv4 | 3,990 |
| AS8966 | EMIRATES TELECOMMUNICATIONS GROUP COMPANY (ETISALAT GROUP) PJSC | Mobile | IPv4 | 3,901 |
| AS6453 | TATA COMMUNICATIONS (AMERICA) INC | Transit | IPv4 | 3,723 |
| AS35280 | F5 Networks SARL | Hosting | IPv4 IPv6 | 3,706 |
| AS23764 | CTGNet | Unclassified | IPv4 | 3,672 |
| AS2914 | NTT America, Inc. | Transit | IPv4 IPv6 | 2,388 |
| AS34549 | meerfarbig GmbH & Co. KG | Hosting | IPv4 IPv6 | 2,300 |
| AS3491 | PCCW Global (HK) Ltd. | Transit | IPv4 IPv6 | 1,800 |
| AS58453 | China Mobile International Limited | Unclassified | IPv4 IPv6 | 796 |
| AS48362 | Stadtwerke Feldkirch | Residential | IPv4 IPv6 | 772 |
| AS37721 | Virtual Technologies & Solutions | Residential | IPv4 | 769 |
| AS37100 | SEACOM Limited | Unclassified | IPv4 | 763 |
| AS6797 | GlobalConnect AB | Unclassified | IPv4 | 744 |
| AS1836 | green.ch AG | Residential | IPv4 | 719 |
| AS34019 | Hivane Association | Unclassified | IPv4 IPv6 | 663 |
| AS3303 | Swisscom (Schweiz) AG | Residential | IPv4 | 660 |
| AS12779 | IT.Gate S.p.A. | Unclassified | IPv4 | 626 |
| AS20485 | Joint Stock Company TransTeleCom | Unclassified | IPv4 | 617 |
| AS5511 | Orange S.A. | Transit | IPv4 | 614 |
| AS12859 | BIT BV | Hosting | IPv4 IPv6 | 612 |
| AS4229 | Zenlayer Inc | Hosting | IPv4 IPv6 | 529 |
| AS17639 | Converge ICT Solutions Inc. | Unclassified | IPv4 IPv6 | 484 |
| AS24115 | Equinix | Hosting | IPv4 | 369 |
| AS33891 | Core-Backbone GmbH | Hosting | IPv4 | 312 |
| AS64073 | Vetta Group | Unclassified | IPv4 | 176 |
| AS13335 | Cloudflare, Inc. | Hosting | IPv4 | 130 |
| AS293 | ESnet | Unclassified | IPv4 | 121 |
| AS213241 | TECHIT.BE SRL | Residential | IPv4 IPv6 | 94 |
| AS7473 | Singapore Telecommunications Ltd | Unclassified | IPv4 | 93 |
| AS44066 | firstcolo GmbH | Unclassified | IPv4 | 86 |
| AS212024 | Marc Schmitt | Unclassified | IPv4 | 83 |
| AS64050 | BGP Network Limited | Hosting | IPv4 | 61 |
| AS8359 | MTS PJSC | Mobile | IPv4 | 36 |
| AS29075 | IELO-LIAZO SERVICES SAS | Unclassified | IPv4 | 31 |
| AS29632 | Netassist International EOOD | Unclassified | IPv6 | 16 |
| AS3204 | xTom OU | Hosting | IPv6 | 8 |
| AS56662 | Marcin Gondek | Unclassified | IPv6 | 8 |
| AS132132 | MyRepublic Ltd. | Residential | IPv4 | 3 |
| AS9002 | RETN Limited | Unclassified | 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 2026-10-11 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.