Loading…
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 | 23,661 |
| 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 |
| 236 |
| 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 | 4,490 |
| 512 |
| 5 |
| 7 |
| AS398421US | SACS-CMT - Southwest Allen County Schools | 512 | — | 2 |
| AS53309US | BLACKHILLSCORP - Black Hills Corporation | 512 | — | 2 |
| AS399698US | TRAVELWIFI - TRAVELWIFI LLC | 512 | — | 2 |
| AS396146US | 396146 - Therap Services | 512 | — | 2 |
| AS395655US | TECH-ELECTRONICS-INC-ASN - Tech Electronics, Inc. | 512 | 512 | 4 |
| AS46806US | BNU-1-46806 - BlueCat Networks (USA) Inc. | 512 | — | 2 |
| AS13452US | AS-IL1-DIA - Guggenheim Services LLC | 512 | — | 2 |
| AS14458US | WORLDKITCHEN-1 - World Kitchen, LLC | 512 | — | 2 |
| AS402375US | KIMLEY-HORN - Kimley-Horn | 512 | — | 2 |
| AS40334US | TGNA-KENS - TEGNA Inc. | 512 | — | 2 |
| AS15354US | AS-BML01 - Morgan, Lewis & Bockius LLP | 512 | — | 2 |
| AS197841US | MICHAEL - Michael Newcomb, Sole Proprietorship | 512 | 32 | 4 |
| AS23372US | FDIX-PUBLIC - Midwest Internet Exchange LLC | 512 | 2 | 4 |
| AS393988US | ALLEGHENYAUTH-01 - Pittsburgh International Airport | 512 | — | 2 |
| AS10918US | ACCURANT - Accurant Cloud Services LLC | 512 | 65.5K | 3 |
| AS393696US | NBB - New Belgium Brewing Company | 512 | — | 2 |
| AS20103US | VALMONT-INDUSTRIES - Valmont Industries | 512 | — | 2 |
| AS395551US | CARHA-ASN - CARHARTT Inc. | 512 | — | 2 |
| AS399996US | QFLIX-INTERNET - QFLIX L.L.C. | 512 | — | 2 |
| AS53377US | TGNA-WVEC - TEGNA Inc. | 512 | — | 2 |
| AS64283US | FLORIDAPOLY - Florida Polytechnic University | 512 | — | 2 |
| AS36460US | WATTSCORPORATEASN - Watts Water Technologies, Inc. | 512 | — | 2 |
| AS399144US | SUHSD-INTERNET-2026 - Sequoia Union High School District | 512 | — | 2 |
| AS32605US | BRAVESOFT-AS - BraveSoftTech Inc | 512 | — | 2 |
| AS11204US | KPCSD - Kings Park Central School District | 512 | — | 2 |
| AS14092US | AFS-9 - AMERIPRISE FINANCIAL SERVICES, LLC | 512 | — | 1 |
| AS268US | USUHSNET-AS - Uniformed Services University of the Health Sciences | 512 | — | 1 |
| AS394217US | IDAHO-DEPARTMENT-OF-HEALTHAND-WELFARE - State of Idaho | 512 | — | 1 |
| AS402416US | RCS-DR-CO-LO-BGP - Resurgent | 512 | — | 2 |
| AS36517US | AS-UGIUTIL - UGI Utilities Inc. | 512 | — | 2 |
| AS33129US | CITY-OF-GARDEN-GROVE - City of Garden Grove | 512 | — | 2 |
| AS40905US | BGP-INFOSYNC - InfoSync Services | 512 | — | 1 |
| AS15262US | TSYS-NDC-COPORATE-INTERNET - Global Payments Inc. | 512 | — | 2 |
| AS40173US | CHG-AS-01 - Circa Resort & Casino | 512 | — | 1 |
| AS394041US | HF-RWC - HEARTFLOW INC | 512 | — | 2 |
| AS25763US | BHSG-ASN001 - Beacon Hill Staffing Group, LLC | 512 | — | 2 |
| AS11948US | DEVELOPMENT-GROUP-INC - Development Group, Inc | 512 | — | 2 |
| AS20270US | CLEARSKY-SYSTEMS-INC - FIELD COMMUNICATIONS, INC. | 512 | — | 2 |
| AS3043US | IMS - Amphibian Media Corporation | 512 | 65.5K | 3 |
| AS393922US | SKTAPRIMARY - Smurfit Kappa the Americas | 512 | — | 2 |
| AS26707US | NSN-ORLEANS - North Shore Networks LLC | 512 | — | 2 |
| AS393383US | SISD-ASN - Spring Independent School District | 512 | — | 2 |
| AS62723US | CARFAX - CARFAX, Inc. | 512 | — | 2 |
| AS33206US | ESI - Estech Systems, Inc | 512 | — | 2 |
| AS19412US | HASSER-ENTERPRISES-LLC - Hasser Enterprises LLC | 512 | — | 2 |
| AS399231US | NYC-NET-01 - Setplex | 512 | — | 2 |