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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. | 211.2M | 21,260 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,265 |
| 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 | 3,727 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,958 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,328 |
| — |
| — |
| 0 |
| AS400168US | PERATON-EDGE - PERATON INC. | — | — | 0 |
| AS400169US | MONDEUM-INVESTMENT-GROUP-01 - Mondeum Financial Holdings LLC | — | — | 0 |
| AS400193US | PHOENIX-INVESTORS-HQ - Phoenix Investors, LLC | — | — | 0 |
| AS400204US | ASHCROFT-INC - Ashcroft Inc. | — | — | 0 |
| AS400291US | AFCU-AS - Affinity Federal Credit Union | — | — | 0 |
| AS400293US | PPLD-ORG - Pikes Peak Library District | — | — | 0 |
| AS400361US | CU1-ALASKA-01 - Credit Union 1 | — | — | 0 |
| AS400526US | DEERPARKTX-GOV - CITY OF DEER PARK | — | — | 0 |
| AS400558US | DWS-ASHBURN - Disney Worldwide Services, Inc. | — | — | 0 |
| AS400578US | MICROSOFT-AZURE-DEDICATED - Microsoft Corporation | — | — | 0 |
| AS400602US | HEXABUILD-ASN-01 - HexaBuild | — | — | 0 |
| AS400636US | STM-CLOUD-01 - STM Cloud, LLC | — | — | 0 |
| AS400667US | DOBSON-ASN-02 - Dobson Technologies - Transport and Telecom Solutions, LLC | — | — | 0 |
| AS400720US | WASHINGTON-STATE-LIBRARY-ASN - Washington State Library | — | — | 0 |
| AS400748US | GO-DADDY-COM-LLC - GoDaddy.com, LLC | — | — | 0 |
| AS400775US | HRL-US-05 - HRL Laboratories, LLC | — | — | 0 |
| AS400780US | ZOHO-CAMPAIGN-MAIL-ASN - ZOHO | — | — | 0 |
| AS400787US | NEWSWARE - NewsWare Inc. | — | — | 0 |
| AS400825US | HCDL-SEATTLE-DATA-CENTER - H5 Data Centers | — | — | 0 |
| AS400870US | VMW-NASA-IPV6 - Avago Technologies U.S. Inc. | — | — | 0 |
| AS401025US | EOS-A001 - Excel Orthopaedic Specialists | — | — | 0 |
| AS401076US | GC-NAD - General Conference of Seventh-day Adventists | — | — | 0 |
| AS401110US | AS-SOVYCLOUD - Sovy Cloud Services | — | — | 0 |
| AS401148US | ALDEVRON - Aldevron | — | — | 0 |
| AS401205US | CORKERYS-NET-01 - CORKERY'S COMPUTERS LLC | — | — | 0 |
| AS401292US | FICTIE-01 - Fictie | — | — | 0 |
| AS401354US | ATSMI - Adaptive Technology Solutions LLC | — | — | 0 |
| AS401399US | WOLFGIRL-SYSTEMS - BNS Services LLC | — | — | 0 |
| AS401449US | GENSAZ-ASN1 - GENS ARIZONA LLC | — | — | 0 |
| AS401542US | GRANITEIX - GraniteIX LLC | — | — | 0 |
| AS401553US | CAOCAP - CAOCAP HOSTING LLC | — | — | 0 |
| AS401590US | TEXTNOW-WIRELESS-01 - TextNow Inc. | — | — | 0 |
| AS401634US | ATHENA-SECURITY-WEAPONS-DETECTION-SYSTEM - Athena Security Weapons Detection System | — | — | 0 |
| AS401708US | WAVEC-01 - Wavecall LLC | — | — | 0 |
| AS401759US | IO-MASS-AS - INTEGRATED OPERATIONS | — | — | 0 |
| AS401794US | GPA-AS - Georgia Ports Authority | — | — | 0 |
| AS401817US | IASTATE-AS-SECOND - Iowa State University of Science and Technology | — | — | 0 |
| AS401837US | ALLSPACE - Go All In LLC | — | — | 0 |
| AS401910US | NSCIX-01 - Natural State Community Internet Exchange | — | — | 0 |
| AS401949US | OUTSCALE-INC - OUTSCALE INC | — | — | 0 |
| AS401952US | LOUDON-NET - Chasing Gremlins | — | — | 0 |
| AS401959US | C-MRW-ASN-01 - City of Morrow | — | — | 0 |
| AS402053US | CWIC - CWIC | — | — | 0 |
| AS402066US | DUKE-BROADBAND - Duke Broadband Inc | — | — | 0 |
| AS402145US | GALACTIC - Galactic Services, LLC | — | — | 0 |
| AS402161US | NYIIX-LA - TELEHOUSE International Corp. of America | — | — | 0 |