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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 | 23,924 |
| 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.
32,140 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 230 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,881 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,992 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,310 |
| CVIN - Vast Networks |
| 8.2K |
| — |
| 8 |
| AS14157US | GENWORTH-MI - GENWORTH FINANCIAL, Inc. | 8.2K | 260 | 6 |
| AS46637US | ROCK-FALLS-FIBERNET - City of Rock Falls | 8.2K | — | 3 |
| AS14416US | BRAVO-NET - Internet de Nuevo Laredo, S.A de C.V. | 8.2K | — | 1 |
| AS16954US | TRT-NET - Three River Telco | 8.2K | — | 5 |
| AS54616US | SSU-173244000000-19 - Salem State University | 8.2K | — | 1 |
| AS16478US | COLONIALNET-IU20 - Colonial IU 20 | 8.2K | 304 | 21 |
| AS29944US | DATABANK-LATISYS - Latisys-Ashburn, LLC | 8.2K | — | 1 |
| AS22632US | DAKPRO - DakotaPro.biz | 8.2K | — | 2 |
| AS20318US | NIACOM - Niacom Holdings, LLC | 8.2K | 65.5K | 2 |
| AS11970US | ETEL - e-Tel, LLC | 8.2K | — | 1 |
| AS10309US | MARIN-MIDAS - County of Marin | 8.2K | — | 9 |
| AS18723US | SEAGATE-USA-CA-1 - Seagate Technology LLC | 8.2K | — | 22 |
| AS40944US | MASSCOL - Mass College of Liberal Arts | 8.2K | — | 3 |
| AS14773US | LANLEB-IU13 - Lancaster Lebanon Intermediate Unit 13 | 8.2K | 66.1K | 17 |
| AS6943US | INFOTECHSYS - Information Technology Systems, Inc. | 8.2K | — | 1 |
| AS6566US | TROWE-NET - T. Rowe Price | 8.2K | — | 17 |
| AS36515US | ASN-ALLENS - Allens Communications | 8.2K | — | 3 |
| AS22297US | OPTI9-CANADA - Jelecos LLC | 8.2K | 65.5K | 30 |
| AS15223US | TXWES - Texas Wesleyan University | 8.2K | — | 1 |
| AS22663US | PROMINIC-NET-INC - Prominic.NET, Inc. | 8.2K | — | 15 |
| AS40284US | GSCBN - Glenwood Springs Community Broadband Network | 8.2K | — | 20 |
| AS23497US | NCWCOM - NORTH COAST WIRELESS COMMUNICATIONS LLC | 8.2K | — | 32 |
| AS36503US | CLUBCORP - ClubCorp USA, Inc. | 8.2K | — | 1 |
| AS8082US | WORLDSITE - Worldsite Networks | 8.2K | — | 1 |
| AS54488US | QXC-COMMUNICATIONS - QxC Communications, Inc. | 8.2K | — | 7 |
| AS10953US | CEG - CONSTELLATION ENERGY GENERATION, LLC | 8.2K | — | 32 |
| AS393889US | EIGHTJOY-NETWORK-LLC - EightJoy Network LLC | 8.2K | — | 28 |
| AS26247US | HCCA - Hamilton-Clermont Cooperative Assn. | 8.2K | — | 18 |
| AS27137US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | 8.2K | — | 25 |
| AS12268US | ETOWNCOLLEGE-ASN - Elizabethtown College | 8.2K | — | 17 |
| AS63400US | LUBBOCKISD-ASN - Lubbock Independent School District | 8.2K | — | 3 |
| AS27400US | CLEARFLY - Clearfly Communications | 8.2K | 65.5K | 9 |
| AS14264US | SAU-AS - Southern Adventist University | 8.2K | 1 | 3 |
| AS399081US | CENTRANET-FIBER - Centranet, LLC | 8.2K | 65.5K | 3 |
| AS11375US | AS-MCAD - Minneapolis College of Art and Design | 8.2K | — | 1 |
| AS17202US | FGCU-FTM1 - Florida Gulf Coast University | 8.2K | — | 1 |
| AS16758US | RICOH USA - Ricoh USA, Inc. | 8.2K | — | 32 |
| AS23341US | FITAS - Fashion Institute of Technology | 8.2K | — | 13 |
| AS7024US | PIXELGATE - PixelGate | 8.2K | — | 1 |
| AS402639US | WASHTENAW-COMMUNITY-COLLEGE - Washtenaw | 8.2K | — | 1 |
| AS40469US | NEPAWAN - Northeastern Educational Intermediate Unit 19 | 8.2K | — | 1 |
| AS27008US | BDC - BendTel | 8.2K | 65.5K | 2 |
| AS30698US | BOSCH - Robert Bosch LLC | 8.2K | 65.8K | 34 |
| AS399554US | FOUR-STATES-FIBER - Four States Fiber | 8.2K | 4.1K | 4 |
| AS55045US | TEKTONIC - TekTonic | 8.2K | 1 | 15 |
| AS62814US | ZETA-SACRAMENTO - Zeta Broadband, Inc. | 8.2K | 4.1K | 4 |