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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 |
| 6.7K |
| — |
| 6 |
| AS54806US | LRMCOM1 - Lrm-Com, Inc. | 6.7K | — | 18 |
| AS62915US | WTECHLINK - Wtechlink Incorporated | 6.7K | — | 9 |
| AS54238US | SATCOM-DIRECT-INC - Satcom Direct Inc. | 6.7K | — | 7 |
| AS40027US | NETFLIX-ASN - Netflix Streaming Services Inc. | 6.7K | 26 | 40 |
| AS394998US | LAKELAND-INTERNET - LakeLand Internet LLC | 6.7K | 65.5K | 10 |
| AS32312US | TELECOMSYS-PUBLIC - Telecommunication Systems, Inc. | 6.7K | — | 12 |
| AS397363US | AMS-PUBLIC - HEWLETT PACKARD ENTERPRISE COMPANY | 6.7K | — | 12 |
| AS63201US | COEOSOLUTIONS - Coeo Solutions, LLC | 6.7K | — | 20 |
| AS398778US | APTITUDE-INTERNET - Aptitude Internet Solutions | 6.7K | 65.5K | 20 |
| AS40703US | WBD-AS40703 - Turner Broadcasting System, Inc. | 6.7K | — | 11 |
| AS19400US | SPX-FLOW-AS - SPX Flow Inc. | 6.7K | — | 12 |
| AS16468US | AIRFIBER - AirFiber WISP LLC | 6.7K | — | 11 |
| AS46918US | GLPEER - GLOBALHOSTINGSOLUTIONS INC | 6.7K | — | 10 |
| AS62592US | HOPI - HOPI TELECOMMUNICATIONS | 6.4K | — | 10 |
| AS2011US | WELLSFARGO-2011 - Wells Fargo Bank, N.A. | 6.4K | 1 | 9 |
| AS54036US | CHES-NET - Clean Harbors Environmental Services, Inc. | 6.4K | — | 22 |
| AS11770US | NET56 - Net 56, Inc. | 6.4K | — | 3 |
| AS11195US | COHO-ASN - Whiz to Coho, Inc. | 6.4K | — | 3 |
| AS394720US | ALAMO-COLLEGES - Alamo Community College District | 6.4K | — | 18 |
| AS20238US | NEONET-CONCORD - Northeast Ohio Network for Educational Technology | 6.4K | — | 3 |
| AS36651US | CATHOLIC-HEALTHCARE-PARTNERS - Catholic HealthCare Partners | 6.4K | — | 10 |
| AS394446US | NCATS - Newaygo County Regional Educational Service Agency | 6.4K | — | 24 |
| AS19419US | SONY-PICTURES-ENTERTAINMENT - Sony Pictures Entertainment Inc | 6.4K | — | 11 |
| AS397183US | FLEX-K-L - Flextronics International USA, Inc. | 6.4K | — | 5 |
| AS20101US | MICHWAVE - Michwave Technologies, Inc. | 6.4K | — | 10 |
| AS5672US | PBI-NET-BLK - AT&T Enterprises, LLC | 6.4K | — | 5 |
| AS32578US | KC-EURON-1 - Euronet Worldwide, Inc. | 6.4K | 4 | 16 |
| AS15626US | ITL-UA ROUTE 95 LLC | 6.4K | 196.6K | 23 |
| AS17195US | TAYLOR-CORPORATION - Taylor Corporation | 6.4K | — | 10 |
| AS54328US | HINTON - The Hinton CATV Company, Inc. | 6.4K | 65.5K | 6 |
| AS7105US | DOWJONES-AS - Dow Jones & Company, Inc. | 6.4K | — | 24 |
| AS26114US | ANAPLAN - Anaplan, Inc. | 6.4K | — | 19 |
| AS397477US | WGIX - WGIX | 6.4K | — | 18 |
| AS19174US | AS19174 - China Unicom (Americas) Operations Ltd | 6.4K | — | 7 |
| AS55134US | SKYNET360-LLC-7863492000 - SKYNET360 LLC | 6.4K | 4.1K | 7 |
| AS396290US | NCL-203-396290 - Nielsen Consumer LLC | 6.4K | — | 18 |
| AS399002US | NOVA1NET - Nova Cablevision, Inc. | 6.4K | — | 15 |
| AS40165US | VCS - Voxology Carrier Services, Inc. | 6.4K | 65.5K | 26 |
| AS13782US | FAFCO - The First American Financial Corporation | 6.4K | — | 23 |
| AS33168US | INLANDIMAGING - INLAND IMAGING L.L.C. | 6.4K | — | 22 |
| AS393571US | ALLCOVERED-EAST1-AS - Konica Minolta Business Solutions U.S.A, Inc. | 6.4K | — | 19 |
| AS397602US | BOREALIS-BROADBAND - BOREALIS BROADBAND INC. | 6.4K | 65.5K | 7 |
| AS63402US | UCDP-ORLCORP - Universal Orlando | 6.4K | — | 22 |
| AS401434US | HYTRONNETWORK-US - Hytron Network Services (US) LLC | 6.4K | 1 | 20 |
| AS54536US | ADAMSSTATE - Adams State University | 6.4K | 1 | 4 |
| AS33236US | HREC-AS-01 - Hood River Electric Cooperative | 6.4K | 65.5K | 11 |