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85,683 autonomous systems with routed address space. Sort, search and page through everything.
| AS | Holder | IPv4 ↓ | IPv6 /48 | Prefixes |
|---|---|---|---|---|
| AS45133SG | Singapore-Polytechnic-AS-AP - Singapore Polytechnic | 66K | 65.5K | 4 |
| AS2833SE | SUNET-UMU Umea University | 66K | — | 2 |
| AS789EU | IN2P3 - Renater | 66K | — | 3 |
| AS6366US | PDXNET - Portland State University | 66K | 65.5K | 4 |
| AS401422US | ASNCOBBCOUNTY - Cobb County Government | 66K | — | 3 |
| AS14827US | WSDOT-ASN - Washington State Department of Transportation | 66K | — | 2 |
| AS37520ZA | Rhodes University - Rhodes University | 66K | 17 | 5 |
| AS1206US | PSCNET-HS-AS - Pittsburgh Supercomputing Center | 66K | — | 3 |
| AS2037US | CSUFRESNO - California State University at Fresno | 66K | — | 2 |
| AS22217US | CALVIN-UNIVERSITY - Calvin College | 66K | — | 3 |
| AS58611AU | CDU-AS-AP - Charles Darwin University | 66K | — | 3 |
| AS19662CA | UNISERVE-ONLINE - Uniserve On Line | 66K | 65.5K | 39 |
| AS46476US | TTUHSC - Texas Tech University Health Sciences Center | 66K | 256 | 5 |
| AS150359JP | CTTNET - Cable Television TOYAMA Inc. | 66K | 65.5K | 3 |
| AS47024US | THE-METROHEALTH-SYSTEM - The MetroHealth System | 66K | — | 3 |
| AS22700US | USFCA - University of San Francisco | 66K | — | 4 |
| AS21798US | INTERNATIONALDELIVERS - International Truck and Engine Corp | 66K | — | 3 |
| AS33091CA | U-CALGARY - University of Calgary | 66K | — | 3 |
| AS24433AU | CQU-AS-AP - Central Queensland University | 66K | — | 3 |
| AS394917US | SDUSD - San Diego Unified School District | 66K | — | 3 |
| AS14209US | UT-CHATTANOOGA - University of Tennessee at Chattanooga | 66K | 1 | 6 |
| AS38956SE | ASN-UPPSALA Uppsala Kommun | 66K | 1 | 4 |
| AS1621US | ASN-SECURIAN - Securian Financial Group, Inc. | 66K | — | 3 |
| AS50999SA | KAUST-AS1 King Abdullah University of Science and Technology | 66K | 1M | 9 |
| AS19184US | UWECNET - University of Wisconsin - Eau Claire | 66K | — | 3 |
| AS102US | NSF-HQ-AS - U.S. National Science Foundation | 66K | 256 | 6 |
| AS1555US | DNIC-ASBLK-01550-01601 - United States Department of Defense (DoD) | 66K | — | 3 |
| AS10952US | ECU-AS - East Carolina University | 66K | — | 3 |
| AS9431NZ | AKUNI-NZ - The University of Auckland | 66K | 2 | 5 |
| AS27402US | IBC-N1 - Independence Blue Cross | 66K | — | 3 |
| AS31204MD | SunCommunications-AS ORANGE MOLDOVA S.A. | 66K | — | 5 |
| AS32996US | AGRIBANK-STPAUL - AgriBank, FCB | 66K | — | 3 |
| AS54257US | VSC-AS-VERMONT-STATE-COLLEGES - Vermont State Colleges | 66K | — | 3 |
| AS1770EU | RINGSTADAS - Ringstad Consulting ENK | 66K | — | 2 |
| AS24398NZ | AUT-NZ-AP - Auckland University of Technology | 66K | 65.5K | 4 |
| AS7573AU | UTAS - The University of Tasmania | 66K | — | 6 |
| AS12182US | INTERNAP-2BLK - Unitas Global | 66K | 65.5K | 35 |
| AS32347CA | PRAN-ASN - Sir Sandford Fleming College of Applied Arts and Technology | 66K | — | 3 |
| AS7050US | UW-MILWAUKEE-AS1 - University of Wisconsin - Milwaukee | 66K | 65.5K | 4 |
| AS18815US | AS-CITY-AND-COUNTY-OF-DENVER - CITY AND COUNTY OF DENVER | 66K | — | 3 |
| AS20US | UR - University of Rochester | 66K | 256 | 4 |
| AS23448 | AS23448 | 66K | — | 3 |
| AS18980US | PEACEHEALTH - Peace Health | 66K | — | 3 |
| AS2846SE | Lund University | 66K | — | 2 |
| AS1881SE | FMV FMV | 66K | — | 3 |
| AS13829US | PIMACOUNTY - Pima County | 66K | — | 3 |
| AS131158JP | NAIST-AS - Nara Institute of Science and Technology, National University Corporation | 66K | 1 | 3 |
| AS77US | JHUAPL-AS - Johns Hopkins University Applied Physics Laboratory | 66K | — | 3 |
| AS24771IT | IVECO-AS Iveco SpA | 66K | — | 3 |
| AS137688CN | CHINATELECOM-Liaoning-Benxi-MAN - CHINATELECOM Liaoning Benxi MAN | 66K | — | 13 |