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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 | 3,138 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.1M | 21,094 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 638 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,247 |
| 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 | 398 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,709 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,959 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,423 |
| — |
| — |
| 0 |
| AS401777US | TDAL-7315 - Subsurface Networks LLC | — | — | 0 |
| AS401797US | RABBIT-LABS - Rabbit-Labs | — | — | 0 |
| AS401836US | AMBIT-SOLUTIONS - Ambit Solutions LLC | — | — | 0 |
| AS401841US | CLICKU - Click Do Tech LLC | — | — | 0 |
| AS401877US | WBC-ASN-03 - Weigel Broadcasting Co | — | — | 0 |
| AS401895US | GLEASON-ROCHESTER - The Gleason Works | — | — | 0 |
| AS401924US | SPOKANE-PUBLIC-SCHOOLS - Spokane Public School District No. 81 | — | — | 0 |
| AS401935US | DEEPFIELD - Deepfield | — | — | 0 |
| AS401994US | BBOED-ASN1 - Bayonne Board of Education | — | — | 0 |
| AS402012US | ASU-NEWPORT-AS - Arkansas State University | — | — | 0 |
| AS402022US | FLH - Ephraim McDowell Health, Inc. | — | — | 0 |
| AS402073US | ALBRO-HOLDINGS - Albro Holdings LLC | — | — | 0 |
| AS402079US | MCT-IX - MCT-IX | — | — | 0 |
| AS402082US | AS-CHARGED-DEFAULT - QuickMeg Inc | — | — | 0 |
| AS402102US | ELIZABETH - Betsy Miller LLC | — | — | 0 |
| AS402108US | TKO-ASN - TKO Worldwide, LLC | — | — | 0 |
| AS402118US | AMERICOLD-US - Americold Logistics, LLC | — | — | 0 |
| AS402121US | PHARM-ASN-01 - Pharmavite | — | — | 0 |
| AS402136US | AERENSERVE - Aerenserve Software LLC | — | — | 0 |
| AS402168US | CYBER-SOLUTIONS-01 - Cyber Solutions, LLC | — | — | 0 |
| AS402179US | LAWNCHAIR - LAWNCHAIR VENTURES LIMITED LIABILITY COMPANY | — | — | 0 |
| AS402208US | 121-AND-ONTO - 121&0n2 | — | — | 0 |
| AS402224US | MERCEDCOUNTY-ASN-1 - Merced County Information Systems | — | — | 0 |
| AS402255US | INTLOS - IntLos LLC | — | — | 0 |
| AS402298US | HYWG-BACKBONE-AS - HYW GLOBAL LLC | — | — | 0 |
| AS402379US | VINCEHC - vincehc | — | — | 0 |
| AS402417US | PENDRACO - PenDraco | — | — | 0 |
| AS402426US | ACKKL - ACKKL | — | — | 0 |
| AS402480US | SENTINEL - Sentinel | — | — | 0 |
| AS402501US | ENTERPRISE-DATA-SOLUTIONS - Enterprise | — | — | 0 |
| AS402505US | MERRY - Merry | — | — | 0 |
| AS402516US | HALO-GLOBAL - ADD-ON | — | — | 0 |
| AS402518US | TNAHOSTING - TNAHOSTING | — | — | 0 |
| AS402570US | PANDAISP - PANDA | — | — | 0 |
| AS108US | XEROX-AS - Xerox Corporation | — | — | 0 |
| AS124US | DNIC-AS-00124 - United States Department of Defense (DoD) | — | — | 0 |
| AS128US | ADS-AS - Booz Allen Hamilton Inc. | — | — | 0 |
| AS170US | DNIC-AS-00170 - United States Department of Defense (DoD) | — | — | 0 |
| AS296US | ACFP-AS - Air Force Systems Networking | — | — | 0 |
| AS309US | DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD) | — | — | 0 |
| AS330US | DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD) | — | — | 0 |
| AS381US | AFCONC-BLOCK1-AS - Air Force Systems Networking | — | — | 0 |
| AS385US | AFCONC-BLOCK1-AS - Air Force Systems Networking | — | — | 0 |
| AS388US | AFCONC-BLOCK1-AS - Air Force Systems Networking | — | — | 0 |
| AS413US | AFCONC-BLOCK1-AS - Air Force Systems Networking | — | — | 0 |
| AS470US | AFCONC-BLOCK1-AS - Air Force Systems Networking | — | — | 0 |