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86,256 autonomous systems with routed address space. Sort, search and page through everything.
| AS | Holder | IPv4 ↑ | IPv6 /48 | Prefixes |
|---|---|---|---|---|
| AS15295US | UNC-1388600-ASN - University of Northern Colorado | 65.8K | — | 2 |
| AS1358US | HNSNET-AS - Hughes Network Systems, LLC | 65.8K | — | 8 |
| AS545US | NRI - Corporation for National Research Initiatives | 65.8K | 16 | 3 |
| AS16649PR | IUPR-AS - Interamerican University of Puerto Rico | 65.8K | — | 2 |
| AS322US | DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD) | 65.8K | 256 | 3 |
| AS10561US | BRANDEIS - Brandeis University | 65.8K | — | 2 |
| AS20249US | AS20249 - Jefferies LLC | 65.8K | — | 50 |
| AS5470GR | ASAUTHNET Aristotle University of Thessaloniki | 65.8K | 1 | 3 |
| AS11540US | RTI - Research Triangle Institute | 65.8K | 1 | 3 |
| AS1224US | NCSA-AS - University of Illinois | 65.8K | 1 | 3 |
| AS3671US | SLAC - SLAC National Accelerator Laboratory | 65.8K | 16 | 3 |
| AS3454MX | AS3454 - Universidad Autonoma de Nuevo Leon | 65.8K | — | 2 |
| AS9367JP | ISCT - Institute of Science Tokyo | 65.8K | 65.5K | 3 |
| AS25968US | SELUNET - Southeastern Louisiana University | 65.8K | — | 2 |
| AS135893AU | LATROBEUNIVERSITY-AS-AP - La Trobe University | 65.8K | — | 2 |
| AS14223US | NYSDOH - New York State Department of Health | 65.8K | — | 2 |
| AS22089US | HALLMARK - Hallmark Cards Inc. | 65.8K | — | 2 |
| AS33343US | HCHBNET - U.S. Department of Commerce, HQ and ITA | 65.8K | 2K | 4 |
| AS3603CO | AS3603 - University de Los Andes | 65.8K | — | 2 |
| AS8036US | UTULSA-AS - University of Tulsa | 65.8K | 256 | 4 |
| AS41587DE | ATLAS-ELEKTRONIK TKMS ATLAS ELEKTRONIK GmbH | 65.8K | — | 2 |
| AS262534BR | AS262534 - Laboratorio Nacional de Computacao Cientifica | 65.8K | — | 2 |
| AS10662US | NORFOLK-SOUTHERN - Norfolk Southern Corporation | 65.8K | — | 2 |
| AS1106NL | Nationale-Speeltuin SURF B.V. | 65.8K | 16 | 3 |
| AS23980KR | YU-AS-KR-KR - Yeungnam University | 65.8K | — | 2 |
| AS34US | UDELNET - University of Delaware | 65.8K | 65.5K | 3 |
| AS393649US | BOOZ-AS2 - Booz Allen Hamilton Inc. | 65.8K | — | 2 |
| AS9591JP | NIFS - National Institute for Fusion Science | 65.8K | — | 2 |
| AS61357NL | Ahold Koninklijke Ahold Delhaize N.V. | 65.8K | — | 2 |
| AS46298US | HCHD-AS - Harris County Hospital District | 65.8K | — | 2 |
| AS28714DE | FHI-SIT Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 65.8K | 1 | 3 |
| AS210040FR | SALOMON Salomon S.A.S. | 65.8K | — | 2 |
| AS323US | DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD) | 65.8K | 256 | 3 |
| AS6867GR | UCnet University of Crete | 65.8K | 1 | 3 |
| AS2103EU | FR-IFREMER-BREST - Renater | 65.8K | — | 2 |
| AS30679US | CPPNET - California State Polytechnic University - Pomona | 65.8K | 1 | 3 |
| AS209781DE | BASF-LUDWIGSHAFEN BASF Digital Solutions GmbH | 65.8K | — | 2 |
| AS14319US | FURMAN-2 - Furman University | 65.8K | — | 2 |
| AS399315US | INDSTATE - Indiana State University | 65.8K | — | 2 |
| AS210543AT | KAGES Steiermaerkische Krankenanstaltengesellschaft mbH | 65.8K | 1 | 3 |
| AS2496US | UKANS - University of Kansas | 65.8K | 1K | 3 |
| AS395501US | REED-AS-1 - The Reed Institute | 65.8K | — | 2 |
| AS18791US | TCU - Texas Christian University | 65.8K | — | 2 |
| AS13783US | RADFORD-UNIV-AS - Radford University | 65.8K | — | 2 |
| AS400943US | UNO-CSCI-LONI - University Of New Orleans | 65.8K | — | 2 |
| AS29899US | GEISINGER - Geisinger System Services | 65.8K | 256 | 3 |
| AS15173US | NEWMA-11 - Newmarket Corporation | 65.8K | — | 2 |
| AS3446US | KANSAS - State of Kansas | 65.8K | — | 2 |
| AS33281US | BRIGHAM-YOUNG-UNIVERSITY-IDAHO - BRIGHAM YOUNG UNIVERSITY - IDAHO | 65.8K | 1 | 3 |
| AS26488US | SCU-ASN - Santa Clara University | 65.8K | — | 2 |