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How United States ranks worldwide on dormant space, the transfer market, routing security and address density.
PeeringDB-registered presence.
APNIC-measured end-user deployment.
Clean prefixes (valid RPKI + IRR, no mismatch).
Cumulative IPv4, IPv6, and ASN allocations to United States over time.
The largest autonomous systems registered to United States by IPv4 footprint.
| AS | Holder | IPv4 | Prefixes |
|---|---|---|---|
| AS749US | DNIC-AS-00749 - United States Department of Defense (DoD) | 227.7M | 3,135 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,254 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,267 |
| AS721US | DNIC-ASBLK-00721-00726 - United States Department of Defense (DoD) |
United States against its land-border neighbours on IPv4, IPv6, AS numbers and per-capita density.
Share of announced address space covered by valid Route Origin Authorizations.
31,994 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 413 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,726 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,965 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,346 |
| — |
| — |
| 0 |
| AS402051US | ETGLLC-01 - Emunah Technologies Group LLC | — | — | 0 |
| AS402227US | AFN-CORP - Arctic Fox Networks Inc | — | — | 0 |
| AS402303US | JIMCHIPMAN - Jim Chipman LLC | — | — | 0 |
| AS402307US | NUBO - Nubo, Inc. | — | — | 0 |
| AS402312US | INFINET - InfiNet, LLC | — | — | 0 |
| AS402354US | WILLIAMS-MULLEN - Williams | — | — | 0 |
| AS402369US | COOL-NETO-03 - NetO | — | — | 0 |
| AS402377US | JAVAFOLK - JavaFolk | — | — | 0 |
| AS402441US | UNIQUE-DISCOVERY-INSTITUTE-ID - Discovery | — | — | 0 |
| AS402458US | DATA-FACTORY-US - DATA | — | — | 0 |
| AS402462US | HOSTITY - Hostity | — | — | 0 |
| AS402481US | GANTC-077 - gantC | — | — | 0 |
| AS402493US | HOSTCRAM - HostCram | — | — | 0 |
| AS402524US | KITL-US-AS - KEYLINK | — | — | 0 |
| AS402534US | NEXARIO-1 - Anchor | — | — | 0 |
| AS402580US | LA6721-LLC - LA6721, | — | — | 0 |
| AS53US | NORTHROP-AS - Northrop Grumman Corporation - Automation Sciences Laboratory | — | — | 0 |
| AS113US | SCCNET-AS - Space Communications Company | — | — | 0 |
| AS151US | HPINC-EMEA - HP Inc. | — | — | 0 |
| AS176US | BCN-AS - Information Systems and Networks Corporation | — | — | 0 |
| AS197US | RAYTHEON-AS-2 - Raytheon Company | — | — | 0 |
| AS281US | LVLT-281 - Level 3 Parent, LLC | — | — | 0 |
| AS333US | DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD) | — | — | 0 |
| AS373US | MITRE-AS-4 - The MITRE Corporation | — | — | 0 |
| AS389US | AFCONC-BLOCK1-AS - Air Force Systems Networking | — | — | 0 |
| AS421US | AFCONC-BLOCK1-AS - Air Force Systems Networking | — | — | 0 |
| AS437US | AFCONC-BLOCK1-AS - Air Force Systems Networking | — | — | 0 |
| AS446US | AFCONC-BLOCK1-AS - Air Force Systems Networking | — | — | 0 |
| AS456US | AFCONC-BLOCK1-AS - Air Force Systems Networking | — | — | 0 |
| AS469US | AFCONC-BLOCK1-AS - Air Force Systems Networking | — | — | 0 |
| AS473US | AFCONC-BLOCK1-AS - Air Force Systems Networking | — | — | 0 |
| AS495US | AFCONC-BLOCK1-AS - Air Force Systems Networking | — | — | 0 |
| AS501US | AFCONC-BLOCK1-AS - Air Force Systems Networking | — | — | 0 |
| AS523US | DNIC-AS-00523 - Headquarters, USAISC | — | — | 0 |
| AS524US | CIRION-524 - Cirion Technologies Solutions, LLC | — | — | 0 |
| AS537US | DNIC-AS-00537 - Headquarters, USAISC | — | — | 0 |
| AS540US | DNIC-AS-00540 - United States Department of Defense (DoD) | — | — | 0 |
| AS616US | DNIC-ASBLK-00616-00665 - United States Department of Defense (DoD) | — | — | 0 |
| AS621US | DNIC-ASBLK-00616-00665 - United States Department of Defense (DoD) | — | — | 0 |
| AS632US | DNIC-ASBLK-00616-00665 - United States Department of Defense (DoD) | — | — | 0 |
| AS640US | DNIC-ASBLK-00616-00665 - United States Department of Defense (DoD) | — | — | 0 |
| AS645US | DNIC-ASBLK-00616-00665 - United States Department of Defense (DoD) | — | — | 0 |
| AS649US | DNIC-ASBLK-00616-00665 - United States Department of Defense (DoD) | — | — | 0 |
| AS654US | DNIC-ASBLK-00616-00665 - United States Department of Defense (DoD) | — | — | 0 |
| AS659US | DNIC-ASBLK-00616-00665 - United States Department of Defense (DoD) | — | — | 0 |
| AS688US | RECNET-AS - U.S. Department of Interior Bureau of Reclamation | — | — | 0 |