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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 | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 219M | 23,666 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 645 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,361 |
| 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.
32,363 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 234 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 439 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.8M | 3,911 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 45M | 2,046 |
| AS701US | UUNET - Verizon Business | 43.6M | 996 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.8M | 4,491 |
| — |
| — |
| 0 |
| AS3985US | UTELFLA - Sprint/United Telephone-Florida | — | — | 0 |
| AS5024US | BRIDGE - BridgeNet, LC | — | — | 0 |
| AS4976US | SUNGLASSES - Florida Imports Inc | — | — | 0 |
| AS3021US | SPRINT-MRN-BLOCK - U.S. Sprint | — | — | 0 |
| AS4552US | CL-260-4552 - CyrusOne LLC | — | — | 0 |
| AS4362US | DIGITOPIA-AS - Mediapolis, Inc. | — | — | 0 |
| AS2952US | SPRINT-MRN-BLOCK - U.S. Sprint | — | — | 0 |
| AS2962US | SPRINT-MRN-BLOCK - U.S. Sprint | — | — | 0 |
| AS36660US | SAMUEL-MERRITT-UNIVERSITY - Samuel Merritt College | — | — | 0 |
| AS36559US | DELUXE-NY - Deluxe Corporation | — | — | 0 |
| AS35905US | TELX-NYC - Telx | — | — | 0 |
| AS33618US | SERVLET-LLC-AS - Logical Solutions Inc | — | — | 0 |
| AS33518US | INGENIX - Ingenix, Inc. | — | — | 0 |
| AS39997US | GLIC - Guardian Life Insurance Company Of America | — | — | 0 |
| AS40516US | SUCCESSFACTORS - Successfactors, Inc. | — | — | 0 |
| AS40315US | VIASAT-3 - ViaSat,Inc. | — | — | 0 |
| AS53852US | TIMBERLANDBANK - Timberland Bank | — | — | 0 |
| AS393576US | FMA-ALLIANCE-LTD - FMA Alliance, Ltd. | — | — | 0 |
| AS46939US | BYHALIANET - Byhalia.net, LLC | — | — | 0 |
| AS393265US | WAVELINK-COMMUNICATIONS - WaveLink Communications | — | — | 0 |
| AS219243US | SPUZE SPUZE LLC | — | — | 0 |
| AS55135US | HPDF-LBNL - High Performance Data Facility | — | — | 0 |
| AS200506US | Big-Neto-cloud NetO Corp | — | — | 0 |
| AS394636US | IMPREZZIO-TOR - Imprezzio Inc | — | — | 0 |
| AS394587US | SAFARILAND - Safariland LLC | — | — | 0 |
| AS394154US | PORT-OF-OAKLAND - PORT OF OAKLAND | — | — | 0 |
| AS394249US | EA-ELECTRONIC-ARTS - Electronic Arts, Inc. | — | — | 0 |
| AS46389US | STLIX - Saint Louis Internet Exchange Inc | — | — | 0 |
| AS5241US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS5153US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS5145US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS6010US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS6132US | INGRESSNET - Ingress Enterprises, Inc w/ Ingress Communications, Inc. | — | — | 0 |
| AS5933US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5918US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS46270US | AS46270 - ThyssenKrupp North America, Inc. | — | — | 0 |
| AS46680US | CONTACTUAL - Contactual, Inc. | — | — | 0 |
| AS398682US | NXP-BUILD - Willis Towers Watson | — | — | 0 |
| AS46382US | VANWAGNER - Van Wagner Communications, LLC | — | — | 0 |
| AS40865US | SATEL-13-ASN - Satellite Healthcare, Inc. | — | — | 0 |
| AS40957US | EQUINIX-CX-OT - Equinix, Inc. | — | — | 0 |
| AS53321US | SALSALABS-6917482 - Salsa Labs, Inc. | — | — | 0 |
| AS53842US | WANAWARE - WanAware, Inc | — | — | 0 |
| AS393597US | 1PATH - 1Path | — | — | 0 |
| AS53278US | PHOENIXNAP - ECSuite, LLC | — | — | 0 |
| AS47004US | CONNECTWEBTECH - Connectweb.net | — | — | 0 |