1 3356 Level 3 Parent, LLC 36692 2 1299 Telia Company AB 31
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is CAIDA's ranking of Autonomous Systems (AS) (which approximately map to Internet Service Providers) and organizations (Orgs) (which are a collection of one or more ASes). This ranking is derived from topological data collected by CAIDA's Archipelago Measurement Infrastructure and Border Gateway Protocol (BGP) routing data collected by the Route Views Project and RIPE NCC. ASes and Orgs are ranked by their customer cone size, which is the number of their direct and indirect customers. Note: We do not have data to rank ASes (ISPs) by traffic, revenue, users, or any other non-topological metric. ASN name or number search 1 2 3 4 .. 1690 AS Rank ▲ AS Number ∇ Organization cone size (ASes) ∇ 1 3356 Level 3 Parent, LLC 36692 2 1299 Telia Company AB 31935 3 174 Cogent Communications 26641 4 3257 GTT Communications Inc. 20980 5 2914 NTT America, Inc. 20536 6 6762 TELECOM ITALIA SPARKLE S.p.A. 17535 7 6939 Hurricane Electric LLC 16104 8 6453 TATA COMMUNICATIONS (AMERIC… 15061 9 3491 PCCW Global, Inc. 9753 10 6461 Zayo Bandwidth 9171 11 1273 Vodafone Group PLC 7000 12 3549 Level 3 Parent, LLC 6397 13 9002 RETN Limited 6369 14 5511 Orange S.A. 5169 15 4637 Telstra International Limited 4607 16 12956 Telefonica International Wholesale S… 4477 17 7473 Singapore Telecommunications (SIN… 4377 18 209 CenturyLink Communications, LLC 4257 19 12389 PJSC Rostelecom 3384 20 3320 Deutsche Telekom AG 3331 21 701 MCI Communications Services, Inc. … 3283 22 7018 AT&T Services, Inc. 3209 23 7922 Comcast Cable Communications, LLC 3055 24 20485 Closed Joint Stock Company TransT… 2962 25 3216 PJSC "Vimpelcom" 2757 26 16735 ALGAR TELECOM S/A 2392 27 9498 Bharti Airtel Limited 2337 28 31133 PJSC MegaFon 2335 2020/01/01 29 Support6830 for this work is providedLiberty by the Global U.S. Department B.V. of Homeland Security's Science and Technology Directorate ( 2216 Cybersecurity N66001-08-C-2029, SISTER HHSP 233201600012C ), the National Science Foundation Internet Laboratory for AS Rank IPv4 Empirical Network Science ( PANDA NSF OAC-1724853, iLENS CNS-0958547, Science Gateway NSF ACI--1547611), and Cisco's University Research Program. 30 20764 CJSC RASCOM 2071 31 2828 MCI Communications Services, Inc. … 2057 32 52320 GlobeNet Cabos Submarinos Colom… 2003 33 15412 Reliance Globalcom Limited 1980 34 1239 Sprint 1916 35 8359 MTS PJSC 1794 36 286 KPN B.V. 1687 37 43531 IX Reach Ltd 1643 38 58453 China Mobile International Limited 1602 39 10429 TELEFÔNICA BRASIL S.A 1567 40 262589 INTERNEXA BRASIL OPERADORA … 1468 1 2 3 4 .. 1690 Data Sources: Country 2019/12/20 | Netacuity (Digital Elements) 2019/12/20 | Organization 2020/01/01 | AS Relationships 2020/01/01 | AS Assigned 2020/01/01 2020/01/01 Support for this work is provided by the U.S. Department of Homeland Security's Science and Technology Directorate ( Cybersecurity N66001-08-C-2029, SISTER HHSP 233201600012C ), the National Science Foundation Internet Laboratory for AS Rank IPv4 Empirical Network Science ( PANDA NSF OAC-1724853, iLENS CNS-0958547, Science Gateway NSF ACI--1547611), and Cisco's University Research Program..