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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 |
| 4.4K |
| — |
| 8 |
| AS397446US | MIDWESTFIBERNETWORK-ASN1 - Midwest Fiber Network, LLC | 4.4K | 65.8K | 12 |
| AS11910US | LAKENET-LLC - LakeNet LLC | 4.4K | — | 17 |
| AS1406US | MOTOROLA-MOBILITY - Motorola Inc | 4.4K | — | 11 |
| AS25963US | TCCD-1 - Tarrant County College District | 4.4K | — | 2 |
| AS13726US | APS-AS - Atlanta Public Schools | 4.4K | — | 2 |
| AS6199US | COOPERUNION - Cooper Union | 4.4K | — | 2 |
| AS53684US | CWAS02 - Centre WISP Venture Company | 4.4K | — | 4 |
| AS5982US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | 4.4K | — | 2 |
| AS215724US | EDGEVANA-AS-RP Edgevana, Inc. | 4.4K | 256 | 18 |
| AS401965US | SAU-AS - Southern Arkansas University | 4.4K | — | 2 |
| AS23349US | FARMERS-NETWORK-WEST - Farmers Group, Inc. | 4.4K | — | 17 |
| AS23081US | VENTURETECHNOLOGIES - CONVERGEONE HOLDINGS, INC. | 4.4K | — | 2 |
| AS40801US | LEWISU-ROMEOVILLE - Lewis University | 4.4K | — | 2 |
| AS46997US | NATOLAB - Black Mesa Corporation | 4.4K | 1.2K | 38 |
| AS3585US | AS3585 - TE Connectivity Corporation | 4.4K | — | 17 |
| AS53352US | HFHS-ASN - Henry Ford Health System | 4.4K | — | 17 |
| AS17242US | UNIPAC - UNIPAC Service Corporation | 4.4K | 256 | 18 |
| AS26709US | RACKSQUARED-DATA-CENTERS - Racksquared | 4.4K | 65.5K | 20 |
| AS19157US | CHARTER-19157-DC - Charter Communications LLC | 4.4K | — | 10 |
| AS40819US | VPSDATACENTER - Liquid Web, L.L.C | 4.4K | 256 | 13 |
| AS14274US | TENNESSEE-WIRELESS-LLC - TENNESSEE WIRELESS LLC | 4.4K | — | 2 |
| AS22804US | REDHELM-CLOUD - Ideal Integrations, LLC | 4.4K | 256 | 10 |
| AS26405US | HDCS - HORIZON DATA SOLUTIONS, LLC | 4.4K | — | 13 |
| AS33359US | COWEN-AS-3 - COWEN EXECUTION SERVICES LLC. | 4.4K | — | 14 |
| AS394326US | GOLDEN-VALLEY-CABLE - Route 66 Broadband LLC | 4.4K | — | 12 |
| AS397038US | BROWARD-COLLEGE-01 - Broward College | 4.4K | — | 6 |
| AS19927US | NHMCCD - Lone Star College System District | 4.4K | — | 11 |
| AS33178US | CSINET - Cable Services, Inc. | 4.4K | — | 3 |
| AS14834US | UIS-AS - University of Illinois at Springfield | 4.4K | 1 | 3 |
| AS23280US | VENN - Venn Technology Corp | 4.4K | — | 17 |
| AS402681US | AYIT-INTERNET - AYIT | 4.4K | 8.2K | 10 |
| AS22295US | ADVIN - Advin Services LLC | 4.4K | 4.1K | 22 |
| AS40606US | QTS-OVP - Quality Technology Services, LLC | 4.4K | 65.5K | 3 |
| AS31871US | GRACELANDUNIVERSITY - Graceland University | 4.4K | — | 2 |
| AS11086US | PITNEYBOWES-AS-1 - Pitney Bowes Incorporated | 4.4K | — | 15 |
| AS26729US | MW-NET-AS - Midwest Internet, Inc. | 4.4K | — | 12 |
| AS400146US | DIAMOND-STATE-NETWORKS - DIAMOND STATE NETWORKS, LLC | 4.4K | 65.5K | 4 |
| AS30663US | ISPEED-WIRELESS-INC - ISpeed Wireless Inc., | 4.4K | — | 2 |
| AS30543US | TVCC-5-AS - Treasure Valley Community College | 4.4K | — | 10 |
| AS15350US | ALGN-ASN-001 - Algona Municipal Utilities | 4.4K | — | 2 |
| AS7810US | CMPC - CompuCom Systems, Inc. | 4.4K | — | 2 |
| AS394468US | WAVE-WIRELESS-LLC - Wave Wireless LLC | 4.4K | — | 9 |
| AS11278US | NINTENDO - Nintendo Of America inc. | 4.4K | 1 | 14 |
| AS22604US | DSS-MT - Disney Streaming Services | 4.4K | 16 | 33 |
| AS400066US | FRIB-01 - Michigan State University | 4.4K | 2 | 4 |
| AS399469US | RELIABLE-NETS - Reliable Nets LLC | 4.4K | — | 2 |