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87,640 autonomous systems with routed address space. Sort, search and page through everything.
| AS | Holder | IPv4 ↓ | IPv6 /48 | Prefixes |
|---|---|---|---|---|
| AS11540US | RTI - Research Triangle Institute | 65.8K | 1 | 3 |
| AS4385US | RIT-ASN - Rochester Institute of Technology | 65.8K | 1 | 3 |
| AS3454MX | AS3454 - Universidad Autonoma de Nuevo Leon | 65.8K | — | 2 |
| AS135893AU | LATROBEUNIVERSITY-AS-AP - La Trobe University | 65.8K | — | 2 |
| AS3671US | SLAC - SLAC National Accelerator Laboratory | 65.8K | 16 | 3 |
| AS322US | DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD) | 65.8K | 256 | 3 |
| AS41587DE | ATLAS-ELEKTRONIK TKMS ATLAS ELEKTRONIK GmbH | 65.8K | — | 2 |
| AS3603CO | AS3603 - University de Los Andes | 65.8K | — | 2 |
| AS9367JP | ISCT - Institute of Science Tokyo | 65.8K | 65.5K | 3 |
| AS545US | NRI - Corporation for National Research Initiatives | 65.8K | 16 | 3 |
| AS10561US | BRANDEIS - Brandeis University | 65.8K | — | 2 |
| AS14223US | NYSDOH - New York State Department of Health | 65.8K | — | 2 |
| AS29899US | GEISINGER - Geisinger System Services | 65.8K | 256 | 3 |
| AS16649PR | IUPR-AS - Interamerican University of Puerto Rico | 65.8K | — | 2 |
| AS210040FR | SALOMON Salomon S.A.S. | 65.8K | — | 2 |
| AS34US | UDELNET - University of Delaware | 65.8K | 65.5K | 3 |
| AS2103EU | FR-IFREMER-BREST - Renater | 65.8K | — | 2 |
| AS3446US | KANSAS - State of Kansas | 65.8K | — | 2 |
| AS210543AT | KAGES Steiermaerkische Krankenanstaltengesellschaft mbH | 65.8K | 1 | 3 |
| AS30679US | CPPNET - California State Polytechnic University - Pomona | 65.8K | 1 | 3 |
| AS14319US | FURMAN-2 - Furman University | 65.8K | — | 2 |
| AS399315US | INDSTATE - Indiana State University | 65.8K | — | 2 |
| AS9591JP | NIFS - National Institute for Fusion Science | 65.8K | — | 2 |
| AS28714DE | FHI-SIT Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 65.8K | 1 | 3 |
| AS13783US | RADFORD-UNIV-AS - Radford University | 65.8K | — | 2 |
| AS1106NL | Nationale-Speeltuin SURF B.V. | 65.8K | 16 | 3 |
| AS46298US | HCHD-AS - Harris County Hospital District | 65.8K | — | 2 |
| AS6867GR | UCnet University of Crete | 65.8K | 1 | 3 |
| AS38305NZ | OTAGO-UNIVERSITY-AS-NZ-AP - The University of Otago | 65.8K | — | 2 |
| AS13513US | ALFRED-UNIVERSITY - Alfred University | 65.8K | — | 2 |
| AS13918US | CITYOFTUCSON - City of Tucson | 65.8K | — | 2 |
| AS6510US | BYU - Brigham Young University | 65.8K | 256 | 3 |
| AS150301AU | WATERCORP-NON-AS-AP - WATER CORPORATION | 65.8K | — | 2 |
| AS6406US | CEBAF - Thomas Jefferson National Accelerator Facility | 65.8K | 1 | 3 |
| AS23719AU | USYD-AS-AP - University of Sydney | 65.8K | — | 2 |
| AS26288CA | KNET-1 - Keewaytinook Okimakanak | 65.8K | 65.5K | 14 |
| AS28810CH | WHO-AS World Health Organization (WHO) | 65.8K | — | 2 |
| AS17932JP | JAIST - Japan Advanced Institute of Science and Technology | 65.8K | 1 | 3 |
| AS12311AT | IAEA International Atomic Energy Agency | 65.8K | — | 2 |
| AS399569US | VU-NET - Vincennes University | 65.8K | — | 2 |
| AS33527US | MGN-2 - Metropolitan Government of Nashville and Davidson County Tennessee | 65.8K | — | 2 |
| AS201773GB | UOW-AS University of Warwick | 65.8K | — | 2 |
| AS7773US | SD-NET - South Dakota State Government | 65.8K | — | 2 |
| AS22198US | LAFAYE - Lafayette College | 65.8K | — | 2 |
| AS20126US | UC-DOM - University of Cincinnati | 65.8K | — | 2 |
| AS2012HU | ELTENET - IDDQD-AS | 65.8K | — | 2 |
| AS6377US | 4JNET - Eugene School District 4J | 65.8K | 1 | 3 |
| AS53695US | SIUE - Southern Illinois University at Edwardsville | 65.8K | — | 13 |
| AS22323US | UNIVERSITY-OF-CALIFORNIA-MERCED - University of California, Merced | 65.8K | — | 2 |
| AS395501US | REED-AS-1 - The Reed Institute | 65.8K | — | 2 |