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86,289 autonomous systems with routed address space. Sort, search and page through everything.
| AS | Holder | IPv4 ↓ | IPv6 /48 | Prefixes |
|---|---|---|---|---|
| AS545US | NRI - Corporation for National Research Initiatives | 65.8K | 16 | 3 |
| AS10561US | BRANDEIS - Brandeis University | 65.8K | — | 2 |
| AS3454MX | AS3454 - Universidad Autonoma de Nuevo Leon | 65.8K | — | 2 |
| AS36161US | WESTCHESTERCOUNTY-NY - County of Westchester | 65.8K | — | 3 |
| AS3813KR | SOGANG-AS-KR-KR - Sogang University | 65.8K | — | 2 |
| AS32234US | UD-ACA-AS - University of Dayton | 65.8K | 16 | 3 |
| AS11078US | BROWN - Brown University | 65.8K | 1 | 8 |
| AS17152US | BATES - Bates College | 65.8K | 65.5K | 3 |
| AS53695US | SIUE - Southern Illinois University at Edwardsville | 65.8K | — | 13 |
| AS12311AT | IAEA International Atomic Energy Agency | 65.8K | — | 2 |
| AS7386US | ILLINOIS-STATE-UNIV - Illinois State University | 65.6K | — | 2 |
| AS1351US | UVM-EDU-AS - University of Vermont | 65.6K | 256 | 3 |
| AS15670NL | BBNED-AS Odido Netherlands B.V. | 65.5K | — | 2 |
| AS27594US | UTSA - University of Texas at San Antonio | 65.5K | — | 1 |
| AS32125US | WHEATON-COLLEGE - Wheaton College | 65.5K | — | 1 |
| AS38083AU | CURTIN-UNI-AS-AP - Curtin University | 65.5K | 65.5K | 2 |
| AS2799SE | Polismyndigheten | 65.5K | 1 | 2 |
| AS36091US | SCAQMD-ASN - South Coast Air Quality Management District | 65.5K | — | 1 |
| AS398757US | FTC-ASN - Federal Trade Commission | 65.5K | — | 1 |
| AS131930JP | TBS-NET - Tokyo Broadcasting System Television, Inc. | 65.5K | — | 1 |
| AS37937CN | eGovNet - China eGovNet Information Center | 65.5K | — | 1 |
| AS358US | DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD) | 65.5K | 512 | 3 |
| AS398290CA | HOC - House of Commons | 65.5K | 65.5K | 2 |
| AS2546GR | ARIADNE-T National Center of Scientific Research DEMOKRITOS | 65.5K | 1 | 2 |
| AS4597US | MILLIPORE - Millipore Corp. | 65.5K | 1 | 2 |
| AS33170US | MORGAN-STATE-UNIVERSITY - Morgan State University | 65.5K | — | 1 |
| AS58686AU | SUT-AS-AP - Swinburne University of Technology | 65.5K | — | 1 |
| AS3219HU | HU-GOVNET Ministry of Local Government and Regional Development | 65.5K | — | 1 |
| AS23122US | DSU - Dakota State University | 65.5K | — | 1 |
| AS47616GR | CERTH Center for Research and Technology Hellas (CERTH) | 65.5K | 1 | 2 |
| AS63777JP | STARCLUSTER - National Institutes of Natural Sciences National Astronomical Observatory of JAPAN | 65.5K | — | 1 |
| AS25182NL | PUBLIEKE-OMROEP-AS Stichting Nederlandse Publieke Omroep | 65.5K | 65.5K | 2 |
| AS33608US | HOOD-COLLEGE - Hood College | 65.5K | — | 1 |
| AS15488ES | UPV-EHU Universidad del Pais Vasco - Euskal Herriko Unibertsitatea | 65.5K | — | 1 |
| AS41700DE | FESTO-AS Festo Management SE | 65.5K | 1 | 3 |
| AS401124US | SUNY-DELHI-01 - State University of New York College of Technology at Delhi | 65.5K | — | 1 |
| AS24268JP | SAINS - National University Corporation Shizuoka University | 65.5K | — | 1 |
| AS20981IT | ASINNOVAPUGLIA InnovaPuglia SpA | 65.5K | — | 1 |
| AS24US | AS24 - National Aeronautics and Space Administration | 65.5K | 1 | 2 |
| AS5264US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | 65.5K | — | 1 |
| AS39098FI | BOF-AS Bank Of Finland | 65.5K | — | 1 |
| AS2850IE | University-College-Dublin University College Dublin | 65.5K | — | 1 |
| AS32417US | ELONU-AS - Elon University | 65.5K | — | 1 |
| AS137539CN | UNICOM-Harbin-IDC - China Unicom | 65.5K | 65.5K | 2 |
| AS17510JP | ISID - INFORMATION SERVICES INTERNATIONAL - DENTSU, LTD. | 65.5K | — | 1 |
| AS13940US | SJCOE - San Joaquin County Office of Education | 65.5K | — | 4 |
| AS1117EU | BOKU - Universitaet fur Bodenkultur, Wien | 65.5K | — | 1 |
| AS33703US | HOFSTRA-UNIVERSITY - Hofstra University | 65.5K | 16 | 3 |
| AS396087US | SMCM - St. Mary's College of Maryland | 65.5K | — | 1 |
| AS394366CA | CITYOFSASKATOON - City of Saskatoon | 65.5K | — | 1 |