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85,678 autonomous systems with routed address space. Sort, search and page through everything.
| AS | Holder | IPv4 ↓ | IPv6 /48 | Prefixes |
|---|---|---|---|---|
| AS2025US | UTOLEDO - University of Toledo | 132.4K | — | 6 |
| AS14799US | EXP-EC2000 - Experian | 132.4K | — | 8 |
| AS20012US | CHILLER-CITY - Interworks Networking Services | 132.4K | — | 77 |
| AS1970US | TAMUS-NET - Texas A&M University | 132.4K | 131.3K | 13 |
| AS54885US | STATE-OF-IDAHO-SECONDARY-ASN - State of Idaho | 132.4K | 1M | 13 |
| AS18191AU | AIRSERVICESAUS-AP - OPTUS CUSTOMER NETWORK | 132.4K | — | 5 |
| AS4796ID | BANDUNG-NET-AS-AP - Institute of Technology Bandung | 132.4K | — | 6 |
| AS13506US | US-DEPARTMENT-OF-THE-TREASURY - United States Department of the Treasury | 132.1K | 512 | 8 |
| AS398537US | KUTZTOWN-01 - Kutztown University | 132.1K | 6.1K | 8 |
| AS19332MX | AS19332 - COORDINADORA DE CARRIER'S, S.A. DE C.V. | 132.1K | 65.6K | 36 |
| AS679AT | TUNET-AS Technische Universitat Wien | 132.1K | — | 2 |
| AS2504JP | NCA5 - Kyoto University | 132.1K | — | 4 |
| AS2269EU | FR-U-PARISSUD-ORSAY - Renater | 132.1K | — | 6 |
| AS14822US | MSKCC - Memorial Sloan-Kettering Cancer Center | 132.1K | — | 7 |
| AS37917JP | UTINS - University of Tsukuba | 132.1K | — | 3 |
| AS29US | YALE-AS - Yale University | 132.1K | 65.5K | 7 |
| AS341US | DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD) | 132.1K | 256 | 7 |
| AS11872US | SYRACUSE-UNIVERSITY - Syracuse University | 132.1K | 1 | 10 |
| AS1556US | DNIC-ASBLK-01550-01601 - United States Department of Defense (DoD) | 132.1K | — | 5 |
| AS7764US | CENSUSBUREAU - National Oceanic and Atmospheric Administration | 132.1K | 1.1K | 13 |
| AS9753KR | DAU-AS-KR - Dong-A Universirty | 132.1K | — | 24 |
| AS53585US | NYSIF - The State Insurance Fund | 132.1K | — | 7 |
| AS9125RS | ORIONTELEKOM-AS Drustvo za telekomunikacije Orion telekom doo Beograd-Zemun | 132.1K | 196.6K | 314 |
| AS131US | UCSB-NET-AS - University of California, Santa Barbara | 132.1K | 65.5K | 6 |
| AS2013US | PACIFIC-GAS - PG&E | 131.8K | — | 5 |
| AS8792DE | ASVNET Axel Springer SE | 131.8K | 1 | 8 |
| AS10370US | NORTHWEST-AIRLINES - Northwest Airlines | 131.8K | — | 5 |
| AS142286HK | HKIDC-AS-AP - LUOGELANG (FRANCE) LIMITED | 131.8K | — | 17 |
| AS20337US | SUNYPOLY-ASN - SUNY Institute of Technology | 131.8K | — | 5 |
| AS24014AU | BONDUNI-AS-AP - Bond University Limited | 131.8K | — | 4 |
| 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 |
| AS24961DE | MYLOC-AS WIIT AG | 131.8K | 528.9K | 60 |
| AS51645RU | IRKUTSK-AS JSC "ER-Telecom Holding" | 131.6K | 1K | 116 |
| AS61612BR | AS61612 - DEPARTAMENTO DE CIENCIA E TECNOLOGIA AEROESPACIAL | 131.6K | — | 5 |
| AS8414CH | International Telecommunication Union | 131.6K | 1 | 6 |
| AS1754DE | DESY-HAMBURG Deutsches Elektronen-Synchrotron DESY | 131.6K | — | 4 |
| AS63319US | FDU - Fairleigh Dickinson University | 131.6K | — | 4 |
| AS398663US | SHIPPENSBURG-UNIVERSITY-01 - Shippensburg University | 131.6K | 6.1K | 6 |
| AS19899US | MDC-EDU - Miami Dade College | 131.6K | — | 5 |
| AS1580US | DNIC-ASBLK-01550-01601 - United States Department of Defense (DoD) | 131.6K | — | 4 |
| AS13748US | CSHL - Cold Spring Harbor Laboratory | 131.6K | — | 5 |
| AS209237GB | NPL-MANG-LTD NPL Management LTD | 131.6K | — | 4 |
| AS11834US | DREXEL-ASN - Drexel University | 131.6K | — | 4 |
| AS22990US | ALBANYEDU - University at Albany, State University of New York | 131.6K | 257 | 7 |
| AS398655US | CALU-ASN - Pennsylvania Western University | 131.6K | 6.1K | 6 |
| AS36081US | STATE-OF-COLORADO-MNT-NETWORK - The Governor's Office of Information Technology | 131.6K | — | 4 |
| AS2024US | NU - Eversource Energy | 131.6K | — | 4 |
| AS5707US | UTHSC-H - The University of Texas Health Science Center at Houston | 131.6K | — | 3 |