Autonomous systems
Snapshot 2026-06-19
| ASN | Name | Country | Class | Prefixes |
|---|---|---|---|---|
| AS504 | Air Force Systems Networking | US | Unknown | 0 |
| AS505 | Air Force Systems Networking | US | Unknown | 0 |
| AS506 | Air Force Systems Networking | US | Unknown | 0 |
| AS507 | Air Force Systems Networking | US | Unknown | 0 |
| AS508 | Air Force Systems Networking | US | Unknown | 0 |
| AS509 | United States Department of Defense (DoD) | US | Unknown | 0 |
| AS510 | Voya Investment Management LLC | US | Unknown | 0 |
| AS511 | Prisma Health | US | Unknown | 1 |
| AS512 | United States Department of Defense (DoD) | US | Unknown | 0 |
| AS513 | CERN | CH | Unknown | 22 |
| AS514 | United States Department of Defense (DoD) | US | Unknown | 0 |
| AS515 | United States Department of Defense (DoD) | US | Unknown | 0 |
| AS516 | Eastman Kodak Boston Technology Center | US | Unknown | 0 |
| AS517 | GTT Communications Inc. | US | Unknown | 0 |
| AS518 | United States Department of Defense (DoD) | US | Unknown | 17 |
| AS519 | Systemhouse/INTERACTIVE Systems | US | Unknown | 0 |
| AS520 | Coins Community Online Intelligence System | US | Unknown | 0 |
| AS521 | Ford Motor Company | US | Unknown | 0 |
| AS522 | Air Force Systems Networking | US | Unknown | 0 |
| AS523 | Headquarters, USAISC | US | Unknown | 0 |
| AS524 | Cirion Technologies Solutions, LLC | US | Unknown | 0 |
| AS525 | Headquarters, USAISC | US | Unknown | 0 |
| AS526 | Headquarters, USAISC | US | Unknown | 0 |
| AS527 | United States Department of Defense (DoD) | US | Unknown | 0 |
| AS528 | CDOIM Augsburg | EU | Unknown | 0 |
| AS529 | CDOIM Burtonwood Information Center | EU | Unknown | 0 |
| AS530 | Headquarters, USAISC | US | Unknown | 0 |
| AS531 | Headquarters, USAISC | US | Unknown | 0 |
| AS532 | United States Department of Defense (DoD) | US | Unknown | 0 |
| AS533 | Headquarters, USAISC | US | Unknown | 0 |
| AS534 | Headquarters, USAISC | US | Unknown | 0 |
| AS535 | Headquarters, USAISC | US | Unknown | 0 |
| AS536 | Headquarters, USAISC | US | Unknown | 0 |
| AS537 | Headquarters, USAISC | US | Unknown | 0 |
| AS538 | Headquarters, USAISC | US | Unknown | 2 |
| AS539 | Headquarters, USAISC | US | Unknown | 0 |
| AS540 | United States Department of Defense (DoD) | US | Unknown | 0 |
| AS541 | Intelligenetics Inc. | US | Unknown | 0 |
| AS542 | Alberta Research Council | CA | Unknown | 1 |
| AS543 | HP Inc. | US | Unknown | 5 |
| AS544 | Telia Finland Oyj | EU | Unknown | 0 |
| AS545 | Corporation for National Research Initiatives | US | Unknown | 3 |
| AS546 | Parsons Corporation | US | Unknown | 5 |
| AS547 | IBM | US | Unknown | 1 |
| AS548 | Air Force Systems Networking | US | Unknown | 0 |
| AS549 | ORION | CA | Carrier | 0 |
| AS550 | Los Alamos National Laboratory | US | Unknown | 0 |
| AS551 | Parsons Corporation | US | Unknown | 0 |
| AS552 | United States Department of Defense (DoD) | US | Unknown | 0 |
| AS553 | BelWü | DE | Eyeball | 100 |
| AS554 | California Internet Federation | US | Unknown | 0 |
| AS555 | Velocity Technology Solutions, Inc | US | Unknown | 0 |
| AS556 | USC/Information Sciences Institute | US | Unknown | 0 |
| AS557 | University of Maine System | US | Eyeball | 18 |
| AS558 | NV Next LLC | US | Content | 3 |
| AS559 | SWITCH | CH | Carrier | 126 |
| AS560 | Level 3 Parent, LLC | US | Unknown | 0 |
| AS561 | HP Inc. | US | Unknown | 0 |
| AS562 | HP Inc. | US | Unknown | 0 |
| AS563 | HP Inc. | US | Unknown | 0 |
| AS564 | United States Department of Defense (DoD) | US | Unknown | 0 |
| AS565 | VTT Technical Research Centre of Finland Ltd | FI | Unknown | 1 |
| AS566 | Shared Services Canada | CA | Unknown | 5 |
| AS567 | Los Nettos | US | Unknown | 1 |
| AS568 | United States Department of Defense (DoD) | US | Unknown | 0 |
| AS569 | United States Department of Defense (DoD) | US | Unknown | 0 |
| AS570 | Air Force Systems Networking | US | Unknown | 0 |
| AS571 | United States Department of Defense (DoD) | US | Unknown | 64 |
| AS572 | Greater Baltimore Medical Center Inc | US | Unknown | 4 |
| AS573 | United States Department of Defense (DoD) | US | Unknown | 0 |
| AS574 | Pittsburgh Supercomputing Center | US | Unknown | 0 |
| AS575 | Headquarters, USAISC | US | Unknown | 1 |
| AS576 | United States Department of Defense (DoD) | US | Unknown | 0 |
| AS577 | Bell Canada | CA | Eyeball | 16529 |
| AS579 | Netcierge, LLC | US | Unknown | 0 |
| AS580 | United States Department of Defense (DoD) | US | Unknown | 0 |
| AS581 | Air Force Systems Networking | US | Unknown | 0 |
| AS582 | Air Force Systems Networking | US | Unknown | 0 |
| AS583 | Air Force Systems Networking | US | Unknown | 0 |
| AS584 | Air Force Systems Networking | US | Unknown | 0 |
| AS585 | Air Force Systems Networking | US | Unknown | 0 |
| AS586 | Air Force Systems Networking | US | Unknown | 0 |
| AS587 | Air Force Systems Networking | US | Unknown | 0 |
| AS588 | Headquarters, USAISC | US | Unknown | 0 |
| AS589 | University of North Texas | US | Unknown | 4 |
| AS590 | EASInet Operations Center | EU | Unknown | 0 |
| AS591 | NSTN, Inc. | CA | Unknown | 0 |
| AS592 | Navy Network Information Center (NNIC) | US | Unknown | 0 |
| AS593 | Easinet Air Base | EU | Unknown | 0 |
| AS594 | Level 3 Parent, LLC | US | Unknown | 0 |
| AS595 | Level 3 Parent, LLC | US | Unknown | 0 |
| AS596 | Level 3 Parent, LLC | US | Unknown | 1 |
| AS597 | Level 3 Parent, LLC | US | Unknown | 0 |
| AS598 | Level 3 Parent, LLC | US | Unknown | 0 |
| AS599 | SRI International | US | Unknown | 0 |
| AS600 | OARnet | US | Carrier | 83 |
| AS601 | Bell Canada | CA | Unknown | 0 |
| AS602 | Bell Canada | CA | Unknown | 0 |
| AS603 | Equinix, Inc. | US | Unknown | 2 |
| AS605 | Vanguard Health Management, Inc. | US | Unknown | 0 |