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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. | 218M | 23,961 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,299 |
| 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.
32,159 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 | 3,885 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,998 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,341 |
| 2K |
| — |
| 2 |
| AS19730US | BMEAS-A00001 - BENCHMARK INTERNET GROUP | 2K | — | 6 |
| AS35971US | MYRTLE - CompuNet, Inc. | 2K | 4.1K | 3 |
| AS394130US | STEALTHBYTE - StealthByte Network LLC | 2K | — | 6 |
| AS401927US | NANA-NET-01 - NANA NET, LLC | 2K | 65.5K | 2 |
| AS395267US | LSC-COMMUNICATIONS - LSC Communications | 2K | — | 8 |
| AS23458US | DHH-AUTHORITY - Denver Health and Hospital Authority | 2K | — | 5 |
| AS27197US | PEPB - Princeton Electric Plant Board | 2K | — | 1 |
| AS54097US | AS-CCTTE - CCT Telecommunications, Inc. | 2K | 65.5K | 2 |
| AS63428US | LMAXUSA - LMAX USA Inc | 2K | — | 3 |
| AS22648US | SWG - Southwest Gas Corporation | 2K | — | 2 |
| AS62975US | AVA2 - Avista Corporation | 2K | — | 2 |
| AS401326US | BOONE-COOPERATIVE-ADVANTAGE - BCA Connect, LLC | 2K | — | 1 |
| AS26128US | AS-360WISP - 360 Communications, LLC | 2K | — | 8 |
| AS62892US | WBD-AS62892 - Time Warner Enterprise Infrastructure Services LLC | 2K | — | 2 |
| AS399352US | DRILLINGINFO-SEATTLE - Drilling Info Inc. | 2K | — | 1 |
| AS5213US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | 2K | — | 1 |
| AS29805US | WPP-ET-APAC - The Ogilvy Group, LLC | 2K | — | 6 |
| AS32208US | SKL-SERVICES-ASN - SKL Services Inc | 2K | — | 7 |
| AS400287US | TEAMPHARR-ASN - City of Pharr TX | 2K | 65.5K | 2 |
| AS399962US | CCECA-1 - Cherokee County Electric Cooperative Association | 2K | — | 2 |
| AS8029US | MSERVE-AS - Microserve, Inc. | 2K | — | 2 |
| AS15148US | BLACKBAUD-ASN - Blackbaud, Inc. | 2K | — | 4 |
| AS25619US | AIROSURF - Chisholm Broadband LLC | 2K | — | 8 |
| AS11718US | LIVINGSTON-ESA - Livingston ESA | 2K | — | 1 |
| AS26962US | IPROT - IPROT, Inc. | 2K | — | 8 |
| AS26131US | TMC1 - Harley-Davidson, Inc. | 2K | — | 8 |
| AS21951US | STOLAF - St. Olaf College | 2K | 256 | 3 |
| AS401478US | WABASH-MUTUAL-TELEPHONE - Wabash Mutual Telephone Company | 2K | 65.5K | 3 |
| AS31812US | PBSO-INTERNET - Palm Beach County Sheriff's Office | 2K | — | 8 |
| AS27337US | PASTY1 - PASTY.NET, INC. | 2K | 4.1K | 3 |
| AS33116US | ASN-WASH-CO-VA-SCHOOLS - Washington County Schools | 2K | — | 5 |
| AS16750US | ECPI - Electronic Corporate Pages, Inc | 2K | — | 1 |
| AS14987US | RETHEMHOSTING - Rethem Hosting LLC | 2K | 65.5K | 6 |
| AS32595US | LIBERALLY-INTERNATIONAL - Liberally Network, LLC | 2K | 260 | 9 |
| AS11900US | DATACRUZ - Datacruz, Inc. | 2K | 65.5K | 2 |
| AS397161US | NORTHTEXASFIBER - North Texas Fiber, Inc | 2K | — | 2 |
| AS46523US | KINETIX-TECH - Kinetix Broadband, LLC | 2K | — | 1 |
| AS1643US | BROC-11-ASN - Brockway Television Inc. | 2K | — | 1 |
| AS18682US | AAMU-INTERNET - Alabama A&M University | 2K | — | 5 |
| AS16681US | ETS - Educational Testing Service | 2K | — | 8 |
| AS40762US | NYSYS-AS1 - Nysys Wireless LLC | 2K | — | 5 |
| AS8038US | 6CONNECT - 6connect, Inc. | 2K | 16.4K | 15 |
| AS22904US | WSITS - Winning Strategies ITS | 2K | — | 7 |
| AS36745US | CALERES-INC - Caleres, Inc. | 2K | — | 8 |
| AS13880US | ACSL-AS1 - American Century Services, LLC | 2K | — | 6 |
| AS27647US | WEEBLY - Weebly, Inc. | 2K | 3 | 11 |