Reports
Largest networks by IPv4 address space
The top 100 from the latest routing snapshot.
Top 100
IPv4 address space
| # | AS | Network | IPv4 addresses |
|---|---|---|---|
| 1 | AS749 | United States Department of Defense (DoD) | 227M |
| 2 | AS16509 | Amazon.com, Inc. | 218M |
| 3 | AS7018 | AT&T Enterprises, LLC | 117M |
| 4 | AS4134 | No.31,Jin-rong Street | 112M |
| 5 | AS8075 | Microsoft Corporation | 81.80M |
| 6 | AS721 | United States Department of Defense (DoD) | 72.92M |
| 7 | AS4766 | Korea Telecom | 69.98M |
| 8 | AS7922 | Comcast Cable Communications, LLC | 68.34M |
| 9 | AS4837 | CHINA UNICOM China169 Backbone | 59.34M |
| 10 | AS9808 | China Mobile Communications Group Co., Ltd. | 56.64M |
| 11 | AS396982 | Google LLC | 51.62M |
| 12 | AS17676 | SoftBank Corp. | 49.65M |
| 13 | AS714 | Apple Inc. | 44.86M |
| 14 | AS701 | Verizon Business | 43.60M |
| 15 | AS4538 | China Education and Research Network Center | 42.96M |
| 16 | AS174 | Cogent Communications, LLC | 37.73M |
| 17 | AS3320 | Deutsche Telekom AG | 36.17M |
| 18 | AS3356 | Level 3 Parent, LLC | 34.64M |
| 19 | AS22394 | Verizon Business | 31.02M |
| 20 | AS4713 | NTT DOCOMO BUSINESS,Inc. | 28.63M |
| 21 | AS209 | CenturyLink Communications, LLC | 26.23M |
| 22 | AS9318 | SK Broadband Co Ltd | 25.76M |
| 23 | AS22773 | Cox Communications Inc. | 24.54M |
| 24 | AS14618 | Amazon.com, Inc. | 24.01M |
| 25 | AS8151 | UNINET | 23.77M |
| 26 | AS5089 | Virgin Media Limited | 23.03M |
| 27 | AS3269 | Telecom Italia S.p.A. | 21.48M |
| 28 | AS17858 | LG POWERCOMM | 21.00M |
| 29 | AS37963 | Hangzhou Alibaba Advertising Co.,Ltd. | 20.45M |
| 30 | AS3215 | Orange S.A. | 20.13M |
| 31 | AS26599 | TELEFONICA BRASIL S.A | 19.45M |
| 32 | AS7552 | Viettel Group | 19.30M |
| 33 | AS7303 | Telecom Argentina S.A. | 18.79M |
| 34 | AS2856 | British Telecommunications Limited | 18.47M |
| 35 | AS2516 | KDDI CORPORATION | 18.15M |
| 36 | AS6167 | Verizon Business | 18.05M |
| 37 | AS12389 | PJSC Rostelecom | 17.32M |
| 38 | AS31399 | Mercedes-Benz Group AG | 16.81M |
| 39 | AS3462 | Data Communication Business Group | 16.37M |
| 40 | AS6713 | Office National des Postes et Telecommunications ONPT (Maroc Telecom) / IAM | 16.05M |
| 41 | AS3209 | Vodafone GmbH | 15.88M |
| 42 | AS15557 | SFR SA | 15.83M |
| 43 | AS12322 | Free SAS | 15.70M |
| 44 | AS9121 | Turk Telekomunikasyon Anonim Sirketi | 15.68M |
| 45 | AS20940 | Akamai International B.V. | 15.61M |
| 46 | AS45899 | VNPT Corp | 15.61M |
| 47 | AS8452 | IDDQD-AS | 15.23M |
| 48 | AS36992 | ETISALAT MISR | 14.66M |
| 49 | AS12479 | Orange Espagne SA | 14.56M |
| 50 | AS4808 | China Unicom Beijing Province Network | 13.99M |
| 51 | AS21928 | T-Mobile USA, Inc. | 13.96M |
| 52 | AS4812 | China Telecom (Group) | 13.65M |
| 53 | AS6327 | Shaw Communications | 13.44M |
| 54 | AS1221 | Telstra Limited | 13.40M |
| 55 | AS37069 | The Egyptian Company for Mobile Services (Mobinil) | 13.26M |
| 56 | AS20115 | Charter Communications LLC | 13.20M |
| 57 | AS5650 | Frontier Communications of America, Inc. | 13.09M |
| 58 | AS7377 | University of California, San Diego | 12.86M |
| 59 | AS7029 | Windstream Communications LLC | 12.55M |
| 60 | AS45090 | Shenzhen Tencent Computer Systems Company Limited | 12.31M |
| 61 | AS33915 | Vodafone Libertel B.V. | 12.03M |
| 62 | AS28573 | Claro NXT Telecomunicacoes Ltda | 11.70M |
| 63 | AS5384 | EMIRATES TELECOMMUNICATIONS GROUP COMPANY (ETISALAT GROUP) PJSC | 11.53M |
| 64 | AS26615 | TIM S/A | 11.47M |
| 65 | AS577 | Bell Canada | 11.26M |
| 66 | AS45102 | Alibaba (US) Technology Co., Ltd. | 11.08M |
| 67 | AS3352 | TELEFONICA DE ESPANA S.A.U. | 10.46M |
| 68 | AS9824 | JCOM Co., Ltd. | 10.32M |
| 69 | AS1267 | WIND TRE S.P.A. | 10.26M |
| 70 | AS812 | Rogers Communications Canada Inc. | 10.22M |
| 71 | AS4788 | TM TECHNOLOGY SERVICES SDN. BHD. | 10.16M |
| 72 | AS10796 | Charter Communications Inc | 9.85M |
| 73 | AS4804 | Microplex PTY LTD | 9.31M |
| 74 | AS3257 | GTT Communications Inc. | 9.30M |
| 75 | AS55836 | Reliance Jio Infocomm Limited | 9.23M |
| 76 | AS25019 | Saudi Telecom Company JSC | 9.02M |
| 77 | AS2907 | Research Organization of Information and Systems, National Institute of Informatics | 8.96M |
| 78 | AS18881 | TELEFONICA BRASIL S.A | 8.82M |
| 79 | AS3786 | LG DACOM Corporation | 8.72M |
| 80 | AS5617 | Orange Polska Spolka Akcyjna | 8.45M |
| 81 | AS36947 | Telecom Algeria | 8.37M |
| 82 | AS6805 | Telefonica Germany GmbH & Co.OHG | 8.35M |
| 83 | AS20001 | Charter Communications Inc | 8.24M |
| 84 | AS36925 | MEDITELECOM | 8.23M |
| 85 | AS3303 | Swisscom (Schweiz) AG | 8.16M |
| 86 | AS56 | United States Department of Defense (DoD) | 8.09M |
| 87 | AS56046 | China Mobile communications corporation | 7.98M |
| 88 | AS680 | Verein zur Foerderung eines Deutschen Forschungsnetzes e.V. | 7.98M |
| 89 | AS17557 | Pakistan Telecommunication Company Limited | 7.92M |
| 90 | AS7713 | PT Telekomunikasi Indonesia | 7.89M |
| 91 | AS13285 | TalkTalk Communications Limited | 7.73M |
| 92 | AS1257 | Tele2 Sverige AB | 7.50M |
| 93 | AS3561 | CenturyLink Communications, LLC | 7.44M |
| 94 | AS12874 | Fastweb SpA | 7.37M |
| 95 | AS6128 | Cablevision Systems Corp. | 7.35M |
| 96 | AS1136 | KPN B.V. | 7.32M |
| 97 | AS4249 | Eli Lilly and Company | 7.29M |
| 98 | AS9644 | SK Telecom | 7.27M |
| 99 | AS1540 | Headquarters, USAISC | 7.27M |
| 100 | AS1103 | SURF B.V. | 7.22M |