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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. | 218.1M | 24,635 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 642 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,306 |
| 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.
32,220 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 233 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,891 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,003 |
| AS701US | UUNET - Verizon Business | 43.6M | 992 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,360 |
| 256 |
| — |
| 1 |
| AS46511US | MMC-026 - UNIVERSAL HEALTH SERVICES | 256 | — | 1 |
| AS33101US | AAFCU-PUBLIC-01 - AIR ACADEMY FEDERAL CREDIT UNION | 256 | — | 1 |
| AS11385US | LUNA-CDN - Luna USA, LLC | 256 | — | 1 |
| AS10661US | SF-FIN-LP - Steadfast Financial LP | 256 | — | 1 |
| AS1027US | TNTWIFI-MO-01 - TNT WiFi LLC | 256 | — | 1 |
| AS46782US | GTS-169-ASN-01 - Gabriels Technology Solutions, Inc. | 256 | — | 1 |
| AS40747US | HSINYIPTELTD-AS-AP - Hsin Yi Pte Ltd | 256 | — | 1 |
| AS397917US | AKINT-AM-ASN - Asahi Kasei America Inc. | 256 | — | 1 |
| AS39952US | SPECTRA-AS - Spectra Logic Corporation | 256 | 1 | 2 |
| AS398310US | UPNETWI - upnetwi, llc | 256 | — | 1 |
| AS62999US | FZSDARIN - Fort Zumwalt School District | 256 | — | 1 |
| AS11322US | TRMC-MAIN-CAMPUS - Thibodaux Regional Medical Center | 256 | — | 1 |
| AS14538US | HEC-NETWORK - Harrisonburg Electric Commission | 256 | — | 1 |
| AS54267US | LAKE-TRUST-CREDIT-UNION-MULTIHOME-AS-0001 - Lake Trust Credit Union | 256 | — | 1 |
| AS25628US | CDP - Collier County Clerk of the Circuit Court | 256 | — | 1 |
| AS27215US | DIAGNOSTIC-IMAGING-ASSOCIATES-INC - Diagnostic Imaging Associates, Inc. | 256 | — | 1 |
| AS15172US | REINHARDT-WAL-1 - Reinhardt University | 256 | — | 1 |
| AS17247US | TU - The Times Union | 256 | — | 1 |
| AS46439US | CITYOFLEXINGTON - CITY OF LEXINGTON | 256 | — | 1 |
| AS33095US | MAYER-NETWORKS - Mayer Networks Inc | 256 | — | 1 |
| AS394216US | PUEBLOCOUNTY - Pueblo County Government | 256 | — | 1 |
| AS1083US | AGK-CONSULTING-INC - AGK Consulting, Inc. | 256 | — | 1 |
| AS7380US | AVANTCREDIT - Avant, Inc. | 256 | — | 1 |
| AS40896US | CLOUDIGITAL - ClouDigital, LLC | 256 | 11 | 12 |
| AS394335US | ASN-SEL-294 - Surge Enterprises, LLC | 256 | 256 | 2 |
| AS53787US | TREASUREISLAND - Treasure Island, LLC | 256 | — | 1 |
| AS18453US | WELLBORN-CABINET - Wellborn Cabinet Inc. | 256 | — | 1 |
| AS15112US | GATX-CORP - GATX Corporation | 256 | — | 1 |
| AS40848US | FMFCU - Franklin Mint FCU | 256 | — | 1 |
| AS198055US | HavenRacks HavenRacks Inc. | 256 | 1 | 2 |
| AS63256US | NYSBC - New York Structural Biology Center, Inc. | 128 | — | 1 |
| AS3939US | NTTA-3936 - NTT America, Inc. | 32 | — | 1 |
| AS395893US | VCT-TECHNOLOGIES-LLC - VCT Holdings LLC | — | 1 | 1 |
| AS396518US | BUILDJET - BUILDJET, INC. | — | 1 | 1 |
| AS207071US | FOX-NETWORK-AS Joshua Jones | — | 3 | 3 |
| AS402339US | DISASTERTRIDENT-NETWORKS - DisasterTrident | — | 1 | 1 |
| AS211233US | Ronsor-LLC Ronsor LLC | — | 17 | 2 |
| AS14714US | GESTALT - Gestalt | — | 1 | 1 |
| AS402696US | AS402696 - Elkhorn | — | 1 | 1 |
| AS400743US | SPACESHIP-LANDINGS - Spaceship Landings LLC | — | 1 | 1 |
| AS219525US | DaleNetworks Jevin Dale | — | 1 | 1 |
| AS204617US | ASN-XIPE1 Joel Pinnow | — | 1 | 1 |
| AS400978US | GETREALIP-ASN1 - 34 | — | 3 | 3 |
| AS22503US | METHOD-01 - Method Security Inc | — | 128 | 2 |
| AS46464US | NB-PRIMARY-01 - Nybbles and Bytes Studios, LLC | — | 1 | 1 |
| AS142130US | NICONET-AS-US - NICHONET Inter-Continental Hosting Operation Network | — | 20 | 4 |