Upstream networks
AS3356 LEVEL3
Transit ARIN
Transit
Upstream networks
Networks observed carrying traffic for AS3356: 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 IPv6 | 8,044 |
| AS2914 | NTT America, Inc. | Transit | IPv4 IPv6 | 6,422 |
| AS1299 | Arelion Sweden AB | Transit | IPv4 IPv6 | 5,964 |
| AS174 | Cogent Communications, LLC | Transit | IPv4 IPv6 | 5,770 |
| AS3549 | Level 3 Parent, LLC | Transit | IPv4 | 3,856 |
| AS9002 | RETN Limited | Unclassified | IPv4 IPv6 | 2,887 |
| AS577 | Bell Canada | Mobile | IPv4 IPv6 | 2,072 |
| AS3257 | GTT Communications Inc. | Transit | IPv4 IPv6 | 1,970 |
| AS7018 | AT&T Enterprises, LLC | Residential | IPv4 IPv6 | 1,939 |
| AS14907 | Wikimedia Foundation Inc. | Hosting | IPv4 IPv6 | 1,039 |
| AS50628 | Leonix Telecom SAS | Unclassified | IPv4 IPv6 | 1,037 |
| AS17639 | Converge ICT Solutions Inc. | Unclassified | IPv4 IPv6 | 1,036 |
| AS50300 | CustodianDC Limited | Unclassified | IPv4 IPv6 | 1,036 |
| AS37721 | Virtual Technologies & Solutions | Residential | IPv4 IPv6 | 1,035 |
| AS8280 | SYNAPSECOM S.A. Provider of Telecommunications and Internet Services | Hosting | IPv4 IPv6 | 1,034 |
| AS3491 | PCCW Global (HK) Ltd. | Transit | IPv4 IPv6 | 1,006 |
| AS1836 | green.ch AG | Residential | IPv4 IPv6 | 966 |
| AS1764 | Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH | Unclassified | IPv4 IPv6 | 964 |
| AS48185 | team.blue NV | Unclassified | IPv4 IPv6 | 964 |
| AS2497 | Internet Initiative Japan Inc. | Unclassified | IPv4 | 944 |
| AS3320 | Deutsche Telekom AG | Mobile | IPv4 IPv6 | 920 |
| AS57866 | Fusix Networks B.V. | Unclassified | IPv4 | 912 |
| AS2152 | CENIC | Unclassified | IPv4 | 910 |
| AS3741 | Dimension Data | Unclassified | IPv4 | 909 |
| AS132825 | MYTEK TRADING PTY LTD | Unclassified | IPv4 | 909 |
| AS3303 | Swisscom (Schweiz) AG | Residential | IPv4 | 908 |
| AS37100 | SEACOM Limited | Unclassified | IPv4 | 908 |
| AS971 | PureVoltage Hosting Inc. | Unclassified | IPv4 | 907 |
| AS3216 | PJSC "Vimpelcom" | Mobile | IPv4 | 907 |
| AS293 | ESnet | Unclassified | IPv4 | 894 |
| AS4637 | Telstra Global | Unclassified | IPv4 | 649 |
| AS4809 | China Telecom Next Generation Carrier Network | Unclassified | IPv4 | 241 |
| AS6453 | TATA COMMUNICATIONS (AMERICA) INC | Transit | IPv4 IPv6 | 189 |
| AS4657 | StarHub Ltd | Residential | IPv4 | 183 |
| AS7575 | Australian Academic and Research Network (AARNet) | Education | IPv4 | 134 |
| AS1221 | Telstra Limited | Mobile | IPv4 | 131 |
| AS1273 | IDDQD-AS | Business | IPv6 | 115 |
| AS12552 | GlobalConnect AB | Unclassified | IPv4 | 88 |
| AS25091 | IP-Max SA | Unclassified | IPv6 | 58 |
| AS7713 | PT Telekomunikasi Indonesia | Residential | IPv4 | 17 |
| AS6762 | TELECOM ITALIA SPARKLE S.p.A. | Transit | IPv4 | 13 |
| AS35280 | F5 Networks SARL | Hosting | IPv4 | 8 |
| AS33891 | Core-Backbone GmbH | Hosting | IPv4 | 4 |
| AS8434 | Telenor Sverige AB | Residential | IPv4 | 3 |
| AS812 | Rogers Communications Canada Inc. | Mobile | IPv4 | 2 |
| AS6797 | GlobalConnect AB | Unclassified | IPv4 | 2 |
| AS29632 | Netassist International EOOD | Unclassified | IPv6 | 2 |
| AS6327 | Shaw Communications | Residential | IPv4 | 1 |
| AS8447 | A1 Telekom Austria AG | Residential | IPv6 | 1 |
| AS35133 | Eranium B.V. | Hosting | 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 2026-10-13 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.