Downstream networks
AS3303 SWISSCOM Swisscom Switzerland Ltd
Residential ARIN
Transit
Downstream networks
Networks for which AS3303 was observed as the last hop before the origin, meaning it appears to provide them transit.
| AS | Network | Type | Families | Paths seen |
|---|---|---|---|---|
| AS9498 | BHARTI Airtel Ltd. | Mobile | IPv4 | 5,099 |
| AS16509 | Amazon.com, Inc. | Hosting | IPv4 | 3,080 |
| AS7029 | Windstream Communications LLC | Residential | IPv4 IPv6 | 3,073 |
| AS6079 | RCN | Residential | IPv4 | 2,749 |
| AS12874 | Fastweb SpA | Residential | IPv4 IPv6 | 2,256 |
| AS174 | Cogent Communications, LLC | Transit | IPv4 | 2,187 |
| AS4837 | CHINA UNICOM China169 Backbone | Mobile | IPv4 IPv6 | 1,819 |
| AS3257 | GTT Communications Inc. | Transit | IPv4 | 1,747 |
| AS2914 | NTT America, Inc. | Transit | IPv4 | 1,588 |
| AS577 | Bell Canada | Mobile | IPv4 | 1,578 |
| AS28118 | ALTICE DOMINICANA S.A. | Unclassified | IPv4 | 1,577 |
| AS812 | Rogers Communications Canada Inc. | Mobile | IPv4 | 1,336 |
| AS4637 | Telstra Global | Unclassified | IPv4 | 1,285 |
| AS8452 | IDDQD-AS | Residential | IPv4 | 1,227 |
| AS8075 | Microsoft Corporation | Hosting | IPv4 | 1,185 |
| AS15600 | Quickline AG | Residential | IPv4 IPv6 | 1,181 |
| AS2856 | British Telecommunications Limited | Residential | IPv4 | 1,074 |
| AS8866 | Vivacom Bulgaria EAD | Residential | IPv4 | 1,010 |
| AS13188 | CONTENT DELIVERY NETWORK LTD | Residential | IPv4 | 986 |
| AS9304 | HGC Global Communications Limited | Hosting | IPv4 | 982 |
| AS15169 | Google LLC | Hosting | IPv4 | 975 |
| AS8764 | Telia Lietuva, AB | Residential | IPv4 | 911 |
| AS3356 | Level 3 Parent, LLC | Transit | IPv4 | 908 |
| AS3320 | Deutsche Telekom AG | Mobile | IPv4 | 904 |
| AS51395 | Datasource AG | Residential | IPv4 IPv6 | 899 |
| AS3786 | LG DACOM Corporation | Unclassified | IPv4 | 858 |
| AS29222 | Infomaniak Network SA | Hosting | IPv4 IPv6 | 853 |
| AS52468 | UFINET PANAMA S.A. | Unclassified | IPv4 IPv6 | 824 |
| AS9318 | SK Broadband Co Ltd | Unclassified | IPv4 | 807 |
| AS216434 | aity AG | Unclassified | IPv4 | 672 |
| AS4134 | No.31,Jin-rong Street | Residential | IPv4 | 669 |
| AS8803 | Migros-Genossenschafts-Bund | Unclassified | IPv4 | 664 |
| AS18403 | FPT Telecom Company | Residential | IPv4 | 660 |
| AS16276 | OVH SAS | Hosting | IPv4 | 659 |
| AS8300 | Swisscom (Schweiz) AG | Unclassified | IPv4 IPv6 | 643 |
| AS20988 | MTF Solutions AG | Hosting | IPv4 | 614 |
| AS29802 | HIVELOCITY, Inc. | Hosting | IPv4 | 586 |
| AS6057 | Administracion Nacional de Telecomunicaciones | Residential | IPv4 | 576 |
| AS8881 | 1&1 Versatel GmbH | Residential | IPv4 | 567 |
| AS2516 | KDDI CORPORATION | Mobile | IPv4 | 560 |
| AS137409 | GSL Networks Pty LTD | Unclassified | IPv4 | 553 |
| AS12322 | Free SAS | Residential | IPv4 | 538 |
| AS3491 | PCCW Global (HK) Ltd. | Transit | IPv4 | 496 |
| AS31133 | PJSC MegaFon | Mobile | IPv4 | 484 |
| AS17676 | SoftBank Corp. | Mobile | IPv4 | 482 |
| AS18678 | INTERNEXA S.A. E.S.P | Unclassified | IPv4 | 481 |
| AS200845 | AVATEL TELECOM, SA | Residential | IPv4 | 470 |
| AS8560 | IONOS SE | Hosting | IPv4 | 464 |
| AS9121 | Turk Telekomunikasyon Anonim Sirketi | Mobile | IPv4 | 458 |
| AS1403 | EBOX | Residential | IPv4 | 444 |
Atlas returns the 471 most-observed of 1,153; the long tail, seen in a handful of paths each, is left out.
Derived from routing tables collected at 2026-10-13 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.22M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.