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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 | 23,661 |
| 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 |
| CADENCE-ATL - CDNS |
| 1K |
| — |
| 4 |
| AS23039US | BELLAMB - Bell Ambulance, Inc. | 1K | — | 4 |
| AS23370US | NET-TY - TY INC | 1K | — | 1 |
| AS35955US | RCLLTD - Royal Caribbean Cruises Ltd. | 1K | — | 4 |
| AS399249US | DC-ASN-01 - Alabama One Credit Union | 1K | — | 3 |
| AS399455US | IP-ROUTING-01 - IP Routing LLC | 1K | — | 1 |
| AS40552US | FBMC-HQ - Fringe Benefits Management Company | 1K | — | 1 |
| AS32138US | NETTEK01 - Nettek LLC | 1K | — | 1 |
| AS32224US | EMPIRE - Empire Southwest | 1K | — | 4 |
| AS11297US | LIPSCOMB - Lipscomb University | 1K | 16 | 2 |
| AS397936US | DCCOMP-IL-DXN - DC COMPUTERS | 1K | 65.5K | 5 |
| AS393268US | SDMICH - Summit Digital, INC. | 1K | — | 4 |
| AS36175US | MYFAM-DC1 - Myfamily.com, Inc. | 1K | — | 1 |
| AS42198US | JURASSICINNOVATIONS Jurassic Innovations, LLC | 1K | 277 | 11 |
| AS19904US | COL - City of Longview | 1K | — | 4 |
| AS2002US | KYN-GTS - Kyndryl | 1K | — | 2 |
| AS394167US | DALLASISD - Dallas Independent School District | 1K | — | 2 |
| AS394012US | WGR-AS - Westgate Resorts Ltd | 1K | — | 4 |
| AS55155US | LPS-8 - Black Knight IP Holding Company, LLC | 1K | — | 3 |
| AS55209US | HACKENSACKUMC - Hackensack University Medical Center | 1K | — | 4 |
| AS54971US | BROWN-TECHNOLOGIES - Brown Technologies, LLC | 1K | — | 4 |
| AS14527US | CABELAS - Cabela's Inc. | 1K | — | 2 |
| AS142616US | MNI-AS-AP - Misaka Network, Inc. | 1K | 4.1K | 10 |
| AS26192US | IMPAC-FUNDING - Impac Funding Corporation | 1K | — | 4 |
| AS10466US | MAGPI - MAGPI | 1K | 256 | 3 |
| AS16486US | WEYERHAEUSER - Weyerhaeuser Company | 1K | — | 1 |
| AS27580US | ENGINEERING-ASN1 - CONVERGEONE HOLDINGS, INC. | 1K | 73.7K | 5 |
| AS54039US | EIWIFI - Eastern Indiana WIFI, Inc. | 1K | — | 1 |
| AS395581US | SIMSMM-US-INET - Metal Management, Inc. | 1K | — | 1 |
| AS19321US | UMC-HEALTH-SYSTEM - University Medical Center | 1K | — | 2 |
| AS36101US | APU-AS - Azusa Pacific University | 1K | — | 4 |
| AS22846US | DTVLA - DIRECTV Latin America, LLC | 1K | — | 4 |
| AS21613US | QUINAULT-INDIAN-NATION - Quinault Indian Nation | 1K | — | 1 |
| AS29762US | PRESIDIO-MGDSVCS - Presidio Networked Solutions LLC | 1K | — | 4 |
| AS398871US | STRIVETECH-WA - StriveTech | 1K | 4.1K | 2 |
| AS47087US | AS-ALIC-1 - Ameritas Life Insurance Corp | 1K | — | 2 |
| AS26252US | LNA-AS - Legrand North America, Inc. | 1K | — | 3 |
| AS211481US | telcomllc Telcom LLC | 1K | — | 1 |
| AS401074US | TF-SEC - TForce Freight | 1K | — | 1 |
| AS40614US | TALOS-HOUTX - Talos Energy LLC | 1K | — | 4 |
| AS40558US | AS-WPI - WorldPoint Communications, Inc. | 1K | — | 3 |
| AS22140US | T-MOBILE-AS22140 - T-Mobile USA, Inc. | 1K | 1 | 2 |
| AS399773US | CASTLE-COOKE - Castle & Cooke | 1K | — | 4 |
| AS12092US | SONIFI - Sonifi Solutions, Inc. | 1K | — | 4 |
| AS394393US | UKIAHWIRELESS - Wi-Fiber, Inc. | 1K | — | 1 |
| AS1826US | UNIVERSITY-OF-ARKANSAS-FORT-SMITH - University of Arkansas-Fort Smith | 1K | — | 1 |
| AS46292US | MOJAVEWIFI-COM-CA-1 - Mojavewifi.com LLC | 1K | 65.5K | 5 |