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87,516 autonomous systems with routed address space. Sort, search and page through everything.
| AS | Holder | IPv4 ↓ | IPv6 /48 | Prefixes |
|---|---|---|---|---|
| AS2504JP | NCA5 - Kyoto University | 132.1K | — | 4 |
| AS14822US | MSKCC - Memorial Sloan-Kettering Cancer Center | 132.1K | — | 7 |
| AS19899US | MDC-EDU - Miami Dade College | 132.1K | — | 6 |
| AS10370US | NORTHWEST-AIRLINES - Northwest Airlines | 131.8K | — | 5 |
| AS8792DE | ASVNET Axel Springer SE | 131.8K | 1 | 8 |
| AS61612BR | AS61612 - DEPARTAMENTO DE CIENCIA E TECNOLOGIA AEROESPACIAL | 131.8K | — | 6 |
| AS2013US | PACIFIC-GAS - PG&E | 131.8K | — | 5 |
| AS398564US | EUP-SCOTS-NET - Pennsylvania Western University | 131.8K | — | 13 |
| AS20337US | SUNYPOLY-ASN - SUNY Institute of Technology | 131.8K | — | 5 |
| AS32666US | CWRU-AS-1 - Case Western Reserve University | 131.8K | 65.5K | 21 |
| AS53828US | NITEL - NETWORK INNOVATIONS, LLC | 131.8K | 65.5K | 21 |
| AS17944JP | JWA - Japan Weather Association | 131.8K | 1 | 6 |
| AS2024US | NU - Eversource Energy | 131.8K | — | 5 |
| AS209237GB | NPL-MANG-LTD NPL Management LTD | 131.8K | — | 5 |
| AS36081US | STATE-OF-COLORADO-MNT-NETWORK - The Governor's Office of Information Technology | 131.6K | — | 4 |
| AS8542NO | Eviny-AS8542 Eviny Fiber AS | 131.6K | 1M | 13 |
| AS1754DE | DESY-HAMBURG Deutsches Elektronen-Synchrotron DESY | 131.6K | — | 4 |
| AS63319US | FDU - Fairleigh Dickinson University | 131.6K | — | 4 |
| AS51645RU | IRKUTSK-AS JSC "ER-Telecom Holding" | 131.6K | 1K | 116 |
| AS398663US | SHIPPENSBURG-UNIVERSITY-01 - Shippensburg University | 131.6K | 6.1K | 6 |
| AS13748US | CSHL - Cold Spring Harbor Laboratory | 131.6K | — | 5 |
| AS1580US | DNIC-ASBLK-01550-01601 - United States Department of Defense (DoD) | 131.6K | — | 4 |
| AS5707US | UTHSC-H - The University of Texas Health Science Center at Houston | 131.6K | — | 3 |
| AS22990US | ALBANYEDU - University at Albany, State University of New York | 131.6K | 257 | 7 |
| AS11834US | DREXEL-ASN - Drexel University | 131.6K | — | 4 |
| AS8414CH | International Telecommunication Union | 131.6K | 1 | 6 |
| AS398655US | CALU-ASN - Pennsylvania Western University | 131.6K | — | 4 |
| AS14048US | MEMPHIS-EDU - The University of Memphis | 131.3K | — | 4 |
| AS33602CA | TELUQ - Tele-Universite | 131.3K | — | 5 |
| AS7509JP | HINES - Hokkaido University | 131.3K | — | 3 |
| AS395400GU | UNIVERSITY-GUAM - UNIVERSITY OF GUAM | 131.3K | 65.5K | 5 |
| AS1832US | SMU - Southern Methodist University | 131.3K | — | 3 |
| AS2495US | KANREN - Kansas Research and Education Network | 131.3K | 65.5K | 4 |
| AS5831US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | 131.3K | — | 3 |
| AS2544US | METRO-AS - King County Gov | 131.3K | — | 22 |
| AS46290US | MTSAC - MtSAC | 131.3K | — | 4 |
| AS23162US | UKYEDU - University of Kentucky | 131.3K | — | 3 |
| AS365US | DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD) | 131.3K | 256 | 4 |
| AS26488US | SCU-ASN - Santa Clara University | 131.3K | — | 5 |
| AS30674US | BAYLORU - Baylor University | 131.3K | 65.5K | 11 |
| AS8651GB | MUSI MUFG Securities EMEA PLC | 131.3K | — | 10 |
| AS29885US | UCHHS-AS - Univeristy of Chicago Hospitals & Health System | 131.3K | — | 4 |
| AS3676US | UIOWA-AS - University of Iowa | 131.3K | 8 | 4 |
| AS4274TH | ERX-AU-NET - Assumption University | 131.3K | — | 108 |
| AS54885US | STATE-OF-IDAHO-SECONDARY-ASN - State of Idaho | 131.3K | — | 11 |
| AS17687JP | NICE - National University Corporation Nagoya University | 131.3K | — | 3 |
| AS21984US | FCPS - Fairfax County Public Schools | 131.3K | — | 6 |
| AS9411TH | NONTRINET-AS-AP - Kasetsart University, Thailand | 131.3K | 131.1K | 36 |
| AS1563US | DNIC-ASBLK-01550-01601 - United States Department of Defense (DoD) | 131.3K | — | 3 |
| AS3778US | TEMPLE - Temple University | 131.3K | 65.5K | 4 |