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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) | 227.5M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 218M | 23,695 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 643 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,300 |
| 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.
32,143 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 232 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,820 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,994 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,278 |
| DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) |
| — |
| — |
| 0 |
| AS5289US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS5226US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS402266US | SLDNET - Salad Technologies, Inc. | — | 106 | 106 |
| AS3116US | PPCI - Point to Point Communications, Inc. | — | — | 0 |
| AS5027US | ACSIL - Applied Computer Services | — | — | 0 |
| AS3625US | MCIASN-2-BLK - Verizon Business | — | — | 0 |
| AS401862US | CWTEL - Chazy and Westport Communications | — | — | 0 |
| AS400997US | AS-WIALON-US - Gurtam Inc. | — | — | 0 |
| AS400857US | POLKSTATECOLLEGE - Polk State College | — | — | 0 |
| AS402537US | YMISO - YMISO | — | 32 | 2 |
| AS401980US | AS-OZKAY - Ozkay LLC | — | — | 0 |
| AS402134US | WPP-ET-CAMPUS-MUMBAI - The Ogilvy Group, LLC | — | — | 0 |
| AS402049US | PCCUA-STUTTGART-AS - Phillips Community College of the University of Arkansas | — | — | 0 |
| AS402034US | WP1 - Winnr | — | — | 0 |
| AS401907US | AS-SDF-TECH - SDF TECH INC | — | — | 0 |
| AS402136US | AERENSERVE - Aerenserve Software LLC | — | 3 | 3 |
| AS400889US | SPARC-GROUP-01 - SPARC Group LLC | — | — | 0 |
| AS397958US | SUNOAKI-NET-PREMIUM - Sunoaki Network LLC | — | 2 | 2 |
| AS19495US | SBCASI-AKRON-OH-COVLIL - Wireless Maritime Services, LLC | — | — | 0 |
| AS398526US | DNIC-ASBLK-4BYTE - United States Department of Defense (DoD) | — | — | 0 |
| AS398507US | DNIC-ASBLK-4BYTE - United States Department of Defense (DoD) | — | — | 0 |
| AS398619US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS397758US | DATAROBOT-01 - DataRobot, Inc. | — | — | 0 |
| AS397798US | MSGTEL - MSG Tel, Inc. | — | — | 0 |
| AS400122US | LIBERTY-LINK-WINDSOR - Liberty Link LLC | — | — | 0 |
| AS400429US | ALTHEA - Hawk Networks Inc | — | 8 | 1 |
| AS393771US | MHL-731 - DS Metis Holdings LLC | — | — | 0 |
| AS396050US | HYPERGROUP-IX - Hyper Group Network LLC | — | — | 0 |
| AS397064US | BAYFIELD-WIRELESS - Bayfield Wireless | — | — | 0 |
| AS396857US | WPC-V1 - The Northern Trust Company | — | — | 0 |
| AS394618US | NEXTGEAR-CAPITAL-EXPEDIENT - NextGear Capital, Inc. | — | — | 0 |
| AS394753US | TELCOM-SUPPLY - Highline Services, LLC | — | — | 0 |
| AS394517US | KNOLL-INC - MillerKnoll, Inc. | — | — | 0 |
| AS50842US | SERVERFORGE - ServerForge LLC | — | 64 | 1 |
| AS395983US | AS-BT-D0 - Bankers Trust | — | — | 0 |
| AS394014US | SSASN-01 - Solutionstar Settlement Service LLC | — | — | 0 |
| AS3381US | MHPCC-AS - Maui High Performance Computing Center | — | 1 | 1 |
| AS393728US | WSMEDIA - World Streamedia Inc. | — | — | 0 |
| AS395520US | PLATFORM9 - Platform9 | — | — | 0 |
| AS395547US | WABCTVNET-7LS - WABC-TV/EABC-TV | — | — | 0 |
| AS395469US | FINDLAY-AUTOMOTIVE - Findlay | — | — | 0 |
| AS402933US | VOSMET - Vosmet | — | 5.2M | 10 |
| AS400309US | VAULT-HOST-SGP - Vault Host | — | — | 0 |
| AS394909US | TALEND-ASN - Talend Inc. | — | — | 0 |
| AS401524US | WORLDPAY-US-01 - Worldpay, LLC | — | — | 0 |
| AS401300US | PUBLIC-ASN-REQUEST - Summit Securities Group LLC | — | — | 0 |