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87,612 autonomous systems with routed address space. Sort, search and page through everything.
| AS | Holder | IPv4 ↑ | IPv6 /48 | Prefixes |
|---|---|---|---|---|
| AS1351US | UVM-EDU-AS - University of Vermont | 65.6K | 256 | 3 |
| AS7386US | ILLINOIS-STATE-UNIV - Illinois State University | 65.6K | — | 2 |
| AS26206CA | ASN-UREGINA - University of Regina | 65.8K | 1 | 3 |
| AS28810CH | WHO-AS World Health Organization (WHO) | 65.8K | — | 2 |
| AS262534BR | AS262534 - Laboratorio Nacional de Computacao Cientifica | 65.8K | — | 2 |
| AS20126US | UC-DOM - University of Cincinnati | 65.8K | — | 2 |
| AS6377US | 4JNET - Eugene School District 4J | 65.8K | 1 | 3 |
| AS12093CA | UWATERLOO - University of Waterloo | 65.8K | 2 | 3 |
| AS2012HU | ELTENET - IDDQD-AS | 65.8K | — | 2 |
| AS53695US | SIUE - Southern Illinois University at Edwardsville | 65.8K | — | 13 |
| AS16860US | ASN-HEALT-82 - HealthPlan Services, Inc. | 65.8K | — | 2 |
| AS12311AT | IAEA International Atomic Energy Agency | 65.8K | — | 2 |
| AS33527US | MGN-2 - Metropolitan Government of Nashville and Davidson County Tennessee | 65.8K | — | 2 |
| AS4385US | RIT-ASN - Rochester Institute of Technology | 65.8K | 1 | 3 |
| AS1831MX | AS1831 - ITESO, A.C. | 65.8K | — | 2 |
| AS22198US | LAFAYE - Lafayette College | 65.8K | — | 2 |
| AS205US | MONTCLAIR-AS - Montclair State University | 65.8K | — | 2 |
| AS399569US | VU-NET - Vincennes University | 65.8K | — | 2 |
| AS201773GB | UOW-AS University of Warwick | 65.8K | — | 2 |
| AS16649PR | IUPR-AS - Interamerican University of Puerto Rico | 65.8K | — | 2 |
| AS24679DE | SSERV-AS kyberio GmbH | 65.8K | 589.8K | 27 |
| AS3603CO | AS3603 - University de Los Andes | 65.8K | — | 2 |
| AS14223US | NYSDOH - New York State Department of Health | 65.8K | — | 2 |
| AS1224US | NCSA-AS - University of Illinois | 65.8K | 1 | 3 |
| AS22089US | HALLMARK - Hallmark Cards Inc. | 65.8K | — | 2 |
| AS15295US | UNC-1388600-ASN - University of Northern Colorado | 65.8K | — | 2 |
| AS135893AU | LATROBEUNIVERSITY-AS-AP - La Trobe University | 65.8K | — | 2 |
| AS53403CA | MOUNT-ROYAL-COLLEGE - Mount Royal University | 65.8K | — | 2 |
| AS10561US | BRANDEIS - Brandeis University | 65.8K | — | 2 |
| AS25968US | SELUNET - Southeastern Louisiana University | 65.8K | — | 2 |
| AS5470GR | ASAUTHNET Aristotle University of Thessaloniki | 65.8K | 1 | 3 |
| AS33343US | HCHBNET - U.S. Department of Commerce, HQ and ITA | 65.8K | 2K | 4 |
| AS322US | DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD) | 65.8K | 256 | 3 |
| AS9367JP | ISCT - Institute of Science Tokyo | 65.8K | 65.5K | 3 |
| AS545US | NRI - Corporation for National Research Initiatives | 65.8K | 16 | 3 |
| AS10662US | NORFOLK-SOUTHERN - Norfolk Southern Corporation | 65.8K | — | 2 |
| AS1358US | HNSNET-AS - Hughes Network Systems, LLC | 65.8K | — | 8 |
| AS3671US | SLAC - SLAC National Accelerator Laboratory | 65.8K | 16 | 3 |
| AS11540US | RTI - Research Triangle Institute | 65.8K | 1 | 3 |
| AS3454MX | AS3454 - Universidad Autonoma de Nuevo Leon | 65.8K | — | 2 |
| AS41587DE | ATLAS-ELEKTRONIK TKMS ATLAS ELEKTRONIK GmbH | 65.8K | — | 2 |
| AS262829BR | AS262829 - Assoc do Inst Nac de Matematica Pura e Aplicada | 65.8K | — | 2 |
| AS29899US | GEISINGER - Geisinger System Services | 65.8K | 256 | 3 |
| AS14319US | FURMAN-2 - Furman University | 65.8K | — | 2 |
| AS3446US | KANSAS - State of Kansas | 65.8K | — | 2 |
| AS400943US | UNO-CSCI-LONI - University Of New Orleans | 65.8K | — | 2 |
| AS1106NL | Nationale-Speeltuin SURF B.V. | 65.8K | 16 | 3 |
| AS6867GR | UCnet University of Crete | 65.8K | 1 | 3 |
| AS46298US | HCHD-AS - Harris County Hospital District | 65.8K | — | 2 |
| AS30679US | CPPNET - California State Polytechnic University - Pomona | 65.8K | 1 | 3 |