All ASNs
79,538 autonomous systems announcing IPv4 space, ranked by IPs.
Page 1 of 796
| # | ASN | Name | IPs | Prefixes | Country |
|---|---|---|---|---|---|
| 1 | AS749 | United States Department of Defense (DoD) | 222.07M | 2,833 | US |
| 2 | AS16509 | Amazon.com, Inc. | 157.31M | 5,975 | US |
| 3 | AS4134 | Chinanet | 98.93M | 9,257 | CN |
| 4 | AS7018 | AT&T Enterprises, LLC | 89.92M | 21,234 | US |
| 5 | AS8075 | Microsoft Corporation | 80.76M | 1,185 | US |
| 6 | AS7922 | Comcast Cable Communications, LLC | 67.78M | 25,577 | US |
| 7 | AS4837 | CHINA UNICOM China169 Backbone | 57.25M | 1,284 | CN |
| 8 | AS4766 | Korea Telecom | 46.38M | 5,383 | KR |
| 9 | AS701 | Verizon Business | 40.59M | 14,386 | US |
| 10 | AS17676 | SoftBank Corp. | 38.45M | 137 | JP |
| 11 | AS3320 | Deutsche Telekom AG | 34.16M | 852 | DE |
| 12 | AS721 | United States Department of Defense (DoD) | 29.47M | 5,311 | US |
| 13 | AS4713 | NTT DOCOMO BUSINESS,Inc. | 28.62M | 145 | JP |
| 14 | AS3356 | Level 3 Parent, LLC | 27.41M | 4,385 | US |
| 15 | AS174 | Cogent Communications, LLC | 24.59M | 8,831 | US |
| 16 | AS396982 | Google LLC | 21.97M | 627 | US |
| 17 | AS14618 | Amazon.com, Inc. | 21.58M | 1,079 | US |
| 18 | AS3215 | Orange | 20.08M | 614 | FR |
| 19 | AS3269 | TIM | 19.83M | 328 | IT |
| 20 | AS2516 | KDDI CORPORATION | 18.07M | 236 | JP |
| 21 | AS6167 | Verizon Business | 18.01M | 1,040 | US |
| 22 | AS9808 | China Mobile Communications Group Co., Ltd. | 17.28M | 2,467 | CN |
| 23 | AS4538 | China Education and Research Network Center | 17.12M | 88 | CN |
| 24 | AS714 | Apple Inc. | 16.92M | 31 | US |
| 25 | AS31399 | Mercedes-Benz Group AG | 16.81M | 10 | DE |
| 26 | AS15557 | Societe Francaise Du Radiotelephone - SFR SA | 15.81M | 228 | FR |
| 27 | AS209 | CenturyLink Communications, LLC | 15.70M | 6,430 | US |
| 28 | AS9318 | SK Broadband Co Ltd | 15.00M | 2,616 | KR |
| 29 | AS2856 | British Telecommunications Limited | 13.85M | 531 | GB |
| 30 | AS8151 | UNINET | 13.51M | 697 | MX |
| 31 | AS1221 | Telstra Limited | 13.39M | 316 | AU |
| 32 | AS21928 | T-Mobile USA, Inc. | 13.12M | 34 | US |
| 33 | AS22773 | Cox Communications Inc. | 12.82M | 6,912 | US |
| 34 | AS3209 | Vodafone GmbH | 12.76M | 178 | DE |
| 35 | AS20115 | Charter Communications LLC | 12.41M | 6,884 | US |
| 36 | AS22394 | Verizon Business | 12.38M | 363 | US |
| 37 | AS3462 | Data Communication Business Group | 12.22M | 149 | TW |
| 38 | AS7377 | University of California, San Diego | 12.13M | 774 | US |
| 39 | AS26599 | TELEFONICA BRASIL S.A | 10.79M | 160 | BR |
| 40 | AS5650 | Frontier Communications of America, Inc. | 10.65M | 8,186 | US |
| 41 | AS7029 | Windstream Communications LLC | 10.40M | 2,011 | US |
| 42 | AS3352 | Telefonica De Espana S.a.u. | 10.38M | 410 | ES |
| 43 | AS17858 | LG POWERCOMM | 10.31M | 110 | KR |
| 44 | AS28573 | Claro NXT Telecomunicacoes Ltda | 9.96M | 287 | BR |
| 45 | AS37963 | Hangzhou Alibaba Advertising Co.,Ltd. | 9.42M | 144 | CN |
| 46 | AS26615 | TIM S/A | 9.26M | 105 | BR |
| 47 | AS12389 | Rostelecom | 9.17M | 1,270 | RU |
| 48 | AS12322 | Free SAS | 8.82M | 105 | FR |
| 49 | AS2907 | Research Organization of Information and Systems, National Institute of Informatics | 8.77M | 477 | JP |
| 50 | AS5089 | Virgin Media | 8.49M | 278 | GB |
| 51 | AS7303 | Telecom Argentina S.A. | 8.37M | 466 | AR |
| 52 | AS6805 | Telefonica Germany | 8.35M | 33 | DE |
| 53 | AS20940 | Akamai International B.V. | 8.22M | 3,830 | NL |
| 54 | AS3786 | LG DACOM Corporation | 8.06M | 2,631 | KR |
| 55 | AS4812 | China Telecom (Group) | 7.87M | 513 | CN |
| 56 | AS4808 | China Unicom Beijing Province Network | 7.84M | 769 | CN |
| 57 | AS56 | United States Department of Defense (DoD) | 7.79M | 442 | US |
| 58 | AS680 | Verein zur Foerderung eines Deutschen Forschungsnetzes e.V. | 7.67M | 367 | DE |
| 59 | AS45899 | VNPT Corp | 7.64M | 164 | VN |
| 60 | AS8452 | IDDQD-AS | 7.59M | 20 | EG |
| 61 | AS1267 | Wind Tre S.p.A. | 7.41M | 78 | IT |
| 62 | AS10796 | Charter Communications Inc | 7.41M | 1,694 | US |
| 63 | AS1136 | KPN B.V. | 7.27M | 396 | NL |
| 64 | AS20001 | Charter Communications Inc | 7.21M | 8,449 | US |
| 65 | AS1103 | SURF B.V. | 7.19M | 124 | NL |
| 66 | AS9644 | SK Telecom | 7.13M | 109 | KR |
| 67 | AS5410 | Bouygues Telecom SA | 7.09M | 102 | FR |
| 68 | AS12479 | Orange Espagne SA | 7.00M | 204 | ES |
| 69 | AS786 | Jisc Services Limited | 6.89M | 194 | GB |
| 70 | AS577 | Bell Canada | 6.86M | 967 | CA |
| 71 | AS9121 | Turk Telekom | 6.82M | 189 | TR |
| 72 | AS33915 | Vodafone Libertel B.V. | 6.59M | 167 | NL |
| 73 | AS2828 | Verizon Business | 6.53M | 1,115 | US |
| 74 | AS3301 | Telia Company AB | 6.53M | 306 | SE |
| 75 | AS1257 | Tele2 SWIPnet | 6.46M | 274 | EU |
| 76 | AS3561 | CenturyLink Communications, LLC | 6.39M | 1,160 | US |
| 77 | AS1540 | Headquarters, USAISC | 6.34M | 587 | US |
| 78 | AS36992 | ETISALAT MISR | 6.32M | 326 | EG |
| 79 | AS45090 | Shenzhen Tencent Computer Systems Company Limited | 6.17M | 115 | CN |
| 80 | AS9829 | National Internet Backbone | 6.15M | 67 | IN |
| 81 | AS5607 | Sky UK Limited | 6.09M | 52 | GB |
| 82 | AS6713 | Office National des Postes et Telecommunications ONPT (Maroc Telecom) / IAM | 6.00M | 110 | MA |
| 83 | AS33363 | Charter Communications, Inc | 5.81M | 717 | US |
| 84 | AS11427 | Charter Communications Inc | 5.79M | 4,354 | US |
| 85 | AS812 | Rogers Communications Canada Inc. | 5.74M | 561 | CA |
| 86 | AS702 | Verizon Business | 5.72M | 895 | US |
| 87 | AS31898 | Oracle Corporation | 5.61M | 1,202 | US |
| 88 | AS30722 | Fastweb | 5.58M | 58 | IT |
| 89 | AS45102 | Alibaba (US) Technology Co., Ltd. | 5.53M | 359 | CN |
| 90 | AS1659 | Taiwan Academic Network (TANet) Information Center | 5.49M | 96 | TW |
| 91 | AS5617 | Orange Polska Spolka Akcyjna | 5.48M | 101 | PL |
| 92 | AS17506 | ARTERIA Networks Corporation | 5.38M | 28 | JP |
| 93 | AS6327 | Shaw Communications | 5.31M | 210 | CA |
| 94 | AS4804 | Microplex PTY LTD | 5.27M | 67 | AU |
| 95 | AS3292 | TDC Holding A/S | 5.19M | 190 | DK |
| 96 | AS4230 | CLARO S.A. | 5.16M | 43 | BR |
| 97 | AS7552 | Viettel Group | 4.98M | 242 | VN |
| 98 | AS2914 | NTT America, Inc. | 4.86M | 1,958 | US |
| 99 | AS6128 | Cablevision Systems Corp. | 4.85M | 4,260 | US |
| 100 | AS852 | TELUS Communications Inc. | 4.82M | 872 | CA |
