Autonomous systems
Snapshot 2026-07-07
| ASN | Name | Country | Class | Prefixes |
|---|---|---|---|---|
| AS202 | Level 3 Parent, LLC | US | Unknown | 1 |
| AS203 | Level 3 Parent, LLC | US | Unknown | 123 |
| AS204 | Pittsburgh Supercomputing Center | US | Unknown | 0 |
| AS205 | Montclair State University | US | Unknown | 2 |
| AS206 | DXC US Latin America Corporation | US | Unknown | 4 |
| AS207 | Computational Logic, Inc. | US | Unknown | 0 |
| AS208 | Navy Network Information Center (NNIC) | US | Unknown | 0 |
| AS209 | Lumen (ex. Qwest) | US | Eyeball | 1657 |
| AS210 | Utah Education Network | US | Unknown | 31 |
| AS211 | Rome Air Development Center | US | Unknown | 0 |
| AS213 | Headquarters, USAISC | US | Unknown | 2 |
| AS214 | Navy Network Information Center (NNIC) | US | Unknown | 0 |
| AS215 | Headquarters, USAISC | US | Unknown | 0 |
| AS216 | Air Force Systems Networking | US | Unknown | 0 |
| AS217 | University of Minnesota | US | Unknown | 6 |
| AS218 | Air Force Systems Networking | US | Unknown | 0 |
| AS219 | Navy Network Information Center (NNIC) | US | Unknown | 0 |
| AS220 | Air Force Systems Networking | US | Unknown | 0 |
| AS221 | Air Force Systems Networking | US | Unknown | 0 |
| AS222 | Air Force Systems Networking | US | Unknown | 0 |
| AS223 | Parsons Corporation | US | Unknown | 8 |
| AS224 | Sikt (Uninett) | NO | Eyeball | 19 |
| AS225 | University of Virginia | US | Unknown | 21 |
| AS226 | Los Nettos | US | Unknown | 15 |
| AS227 | Headquarters, USAISC | US | Unknown | 0 |
| AS228 | United States Department of Defense (DoD) | US | Unknown | 5 |
| AS229 | Merit Network Inc. | US | Unknown | 3 |
| AS230 | Merit Network Inc. | US | Unknown | 0 |
| AS231 | Michigan State University | US | Unknown | 9 |
| AS232 | Merit Network Inc. | US | Unknown | 0 |
| AS233 | Merit Network Inc. | US | Unknown | 0 |
| AS234 | Nether.Net | US | Unknown | 0 |
| AS235 | Merit Network Inc. | US | Unknown | 0 |
| AS236 | Merit Network Inc. | US | Unknown | 0 |
| AS237 | Merit Network Inc. | US | Eyeball | 93 |
| AS238 | Merit Network Inc. | US | Unknown | 0 |
| AS239 | University of Toronto | CA | Eyeball | 18 |
| AS240 | Air Force Systems Networking | US | Unknown | 0 |
| AS241 | Air Force Systems Networking | US | Unknown | 0 |
| AS242 | SUPSHIP | US | Unknown | 0 |
| AS243 | L3Harris Technologies, Inc. | US | Unknown | 131 |
| AS244 | United States Department of Defense (DoD) | US | Unknown | 0 |
| AS245 | Planning Research Corporation | US | Unknown | 0 |
| AS246 | Air Force Systems Networking | US | Unknown | 0 |
| AS247 | Rome Air Development Center | US | Unknown | 0 |
| AS248 | IDDQD-AS | EU | Unknown | 0 |
| AS249 | Packet Star Networks Limited | EU | Unknown | 5 |
| AS250 | AS250.net Foundation | EU | Content | 5 |
| AS251 | AS251 | EU | Unknown | 0 |
| AS252 | Headquarters, USAISC | US | Unknown | 6 |
| AS253 | NTT America, Inc. | US | Unknown | 0 |
| AS254 | Attachmate Corp. | US | Unknown | 10 |
| AS255 | Air Force Systems Networking | US | Unknown | 0 |
| AS256 | Navy Network Information Center (NNIC) | US | Unknown | 0 |
| AS257 | Navy Network Information Center (NNIC) | US | Unknown | 3 |
| AS258 | Headquarters, USAISC | US | Unknown | 2 |
| AS259 | SCUBED | US | Unknown | 0 |
| AS260 | GTT Americas, LLC | US | Unknown | 7 |
| AS261 | Renater | EU | Unknown | 0 |
| AS262 | NTT America, Inc. | US | Unknown | 2 |
| AS263 | NTT America, Inc. | US | Unknown | 0 |
| AS264 | SRI International | US | Unknown | 37 |
| AS265 | Advanced Info. Technology Servcies | US | Unknown | 0 |
| AS266 | IT Digital Services LLC | US | Unknown | 0 |
| AS267 | Nether.Net | US | Eyeball | 6 |
| AS268 | Uniformed Services University of the Health Sciences | US | Unknown | 1 |
| AS269 | Incremental Systems Corporation | US | Unknown | 0 |
| AS270 | National Aeronautics and Space Administration | US | Unknown | 187 |
| AS271 | BCNET | CA | Unknown | 125 |
| AS272 | Headquarters, USAISC | US | Unknown | 0 |
| AS273 | United States Department of Defense (DoD) | US | Unknown | 2 |
| AS274 | American Information Network | US | Unknown | 0 |
| AS275 | NTT America, Inc. | US | Unknown | 2 |
| AS276 | University of Texas System | US | Unknown | 1 |
| AS277 | DXC US Latin America Corporation | US | Unknown | 6 |
| AS278 | Universidad Nacional Autonoma de Mexico | MX | Eyeball | 265 |
| AS279 | Level 3 Parent, LLC | US | Unknown | 0 |
| AS280 | NTT America, Inc. | US | Unknown | 0 |
| AS281 | Level 3 Parent, LLC | US | Unknown | 0 |
| AS283 | MPower Labs, Inc. | US | Unknown | 2 |
| AS284 | Verizon Business | US | Unknown | 0 |
| AS285 | Headquarters, USAISC | US | Unknown | 0 |
| AS286 | GTT Communications Inc. | US | Carrier | 0 |
| AS287 | Navy Network Information Center (NNIC) | US | Unknown | 0 |
| AS288 | European Space Agency (ESA) | DE | Eyeball | 53 |
| AS289 | Headquarters, USAISC | US | Unknown | 3 |
| AS290 | Interop Show Network | US | Unknown | 0 |
| AS291 | ESnet | US | Unknown | 1 |
| AS292 | ESnet | US | Unknown | 1 |
| AS293 | ESnet | US | Carrier | 29 |
| AS294 | Renater | EU | Unknown | 0 |
| AS295 | United States Department of Defense (DoD) | US | Unknown | 0 |
| AS296 | Air Force Systems Networking | US | Unknown | 0 |
| AS297 | National Aeronautics and Space Administration | US | Eyeball | 29 |
| AS298 | Air Force Systems Networking | US | Unknown | 0 |
| AS299 | University of California, Irvine | US | Unknown | 6 |
| AS300 | United States Department of Defense (DoD) | US | Unknown | 36 |
| AS301 | Air Force Systems Networking | US | Unknown | 0 |
| AS302 | Baylor College of Medicine | US | Unknown | 13 |
| AS303 | United States Department of Defense (DoD) | US | Unknown | 0 |