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87,516 autonomous systems with routed address space. Sort, search and page through everything.
| AS | Holder | IPv4 ↓ | IPv6 /48 | Prefixes |
|---|---|---|---|---|
| AS36982ZA | University of Cape Town - University of Cape Town | 135.7K | 24 | 10 |
| AS25826CA | UOTTAWA - University of Ottawa | 135.4K | — | 8 |
| AS22093US | CCF-NETWORK - Cleveland Clinic Foundation | 135.4K | — | 13 |
| AS17529JP | MediaCat - STARCAT Co .,LTD. | 135.4K | 65.5K | 14 |
| AS1851AU | ADELAIDE-UNIVERSITY-AS-AP - Adelaide University | 135.4K | 65.5K | 11 |
| AS15547CH | NETPLUS netplus.ch SA | 135.4K | 655.4K | 40 |
| AS18087JP | TOYO - Toyo University | 135.2K | 1 | 5 |
| AS24631IR | FANAPTELECOM-FCP Tose'h Fanavari Ertebabat Pasargad Arian Co. PJS | 135.2K | 524.3K | 212 |
| AS36493CA | 295CA-TOR-ASN - FIBERNETICS CORPORATION | 134.9K | 65.5K | 39 |
| AS8544CY | NSP-INTL Primetel PLC | 134.9K | 69.6K | 182 |
| AS63802JP | MIKAKA-EAST - Nippon Telegraph and Telephone East Corporation | 134.9K | — | 17 |
| AS7670JP | CTNET - Enecom,Inc. | 134.7K | 65.5K | 20 |
| AS27US | UMDNET - University of Maryland | 134.7K | 6 | 11 |
| AS14373US | UTMB - University of Texas Medical Branch | 134.7K | — | 15 |
| AS3486US | JPMORGAN-AS3486 - JPMorgan Chase & Co. | 134.7K | 80 | 16 |
| AS3242IT | ASN-ITNET REEVO S.P.A. | 134.7K | 65.8K | 72 |
| AS166US | IDA-AS - Institute for Defense Analyses | 134.7K | — | 18 |
| AS133199HK | SONDERCLOUDLIMITED-AS-AP - SonderCloud Limited | 134.4K | — | 255 |
| AS34797GE | SYSTEM-NET System Net Ltd | 134.4K | 524.3K | 19 |
| AS394534US | CITYOFCHICAGO-ASN-01 - City of Chicago | 134.4K | — | 11 |
| AS10497US | WORLDBANK - IBRD | 134.4K | 4.1K | 14 |
| AS26801US | ZITOMEDIA611 - Zito Media, L.P. | 134.4K | 1.1M | 64 |
| AS27185US | DHS-INTERNET - Danbury Hospital - ITG | 134.4K | — | 10 |
| AS3724US | ALASKA-ANET - State of Alaska | 134.3K | — | 14 |
| AS4246US | NJIT-AS - New Jersey Institute of Technology | 134.1K | — | 12 |
| AS20478US | GENMILLS - General Mills, Inc. | 134.1K | — | 12 |
| AS21693US | BGP-ASN-21693 - Xcel Energy Inc. | 134.1K | — | 14 |
| AS31US | CIT - California Institute of Technology | 134.1K | 65.5K | 13 |
| AS10583US | CHIME - Connecticut Hospital Assoc. | 134.1K | 65.5K | 13 |
| AS11596US | BESTBUY - Best Buy Co., Inc. | 134.1K | — | 14 |
| AS16988US | IPAPER - International Paper Company | 134.1K | — | 11 |
| AS14017US | BNSF-AS - Burlington Northern Sante Fe Railway Corp | 134.1K | — | 13 |
| AS17477AU | MCT-SYDNEY - Macquarie Technology Operations Pty Limited | 133.9K | 91.1K | 122 |
| AS111US | BOSTONU-AS - Boston University | 133.9K | 1M | 12 |
| AS21054GB | UK-NATWEST-AS21054 Natwest Markets PLC | 133.9K | — | 11 |
| AS368US | DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD) | 133.9K | 256 | 8 |
| AS6356US | NERDCNET - University of Florida | 133.8K | 257 | 15 |
| AS9US | CMU-ROUTER - Carnegie Mellon University | 133.6K | 65.5K | 9 |
| AS329US | DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD) | 133.6K | 256 | 13 |
| AS345US | DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD) | 133.6K | 256 | 13 |
| AS50US | ORNL-MSRNET - Oak Ridge National Laboratory | 133.6K | 16 | 11 |
| AS41701FI | CAP-FIN-AS Capgemini Finland Oy | 133.4K | 1 | 8 |
| AS21107BA | BLICNET-AS Blicnet d.o.o. Banja Luka | 133.4K | 98.3K | 76 |
| AS427US | AFCONC-BLOCK1-AS - Air Force Systems Networking | 133.4K | — | 7 |
| AS15703NL | TrueServer-AS TrueFullstaq B.V. | 133.4K | 65.5K | 16 |
| AS7564KR | KAERINET-AS-KR - Korea Atomic Energy Research Institute | 133.4K | — | 32 |
| AS35432CY | CABLENET-AS Cablenet Communication Systems plc | 133.4K | 65.5K | 36 |
| AS197909DE | EDEKA-RS EDEKA Rechenzentrum Sued Betriebs GmbH | 133.4K | 2.2M | 9 |
| AS27257US | WEBAIR-INTERNET - Webair Internet Development Company Inc. | 133.4K | 65.5K | 83 |
| AS56005CN | Fastidc - Zhengzhou Fastidc Technology Co.,Ltd. | 133.4K | — | 10 |