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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 |
| 8.2K |
| — |
| 10 |
| AS18723US | SEAGATE-USA-CA-1 - Seagate Technology LLC | 8.2K | — | 22 |
| AS23497US | NCWCOM - NORTH COAST WIRELESS COMMUNICATIONS LLC | 8.2K | — | 32 |
| AS54488US | QXC-COMMUNICATIONS - QxC Communications, Inc. | 8.2K | — | 7 |
| AS46825US | CBPU - Coldwater Board of Public Utilities | 8.2K | 65.5K | 2 |
| AS36094US | WORCESTER-STATE-COLLEGE - Worcester State University | 8.2K | — | 1 |
| AS18519US | MEDIAPOLIS-TELEPHONE-COMPANY - MTC Technologies | 8.2K | 65.5K | 5 |
| AS395795US | CTC - Cherokee Telephone Company | 8.2K | 65.5K | 6 |
| AS23030US | UNIVERSITY-OF-HOUSTON---DOWNTOWN - University of Houston - Downtown | 8.2K | — | 1 |
| AS55045US | TEKTONIC - TekTonic | 8.2K | 1 | 15 |
| AS46637US | ROCK-FALLS-FIBERNET - City of Rock Falls | 8.2K | — | 3 |
| AS400869US | BETHLEHEM-AREA-SCHOOL-DISTRICT - Bethlehem Area School District | 8.2K | — | 1 |
| AS33038US | XTT1 - XIT Rural Telephone Cooperative Inc. | 8.2K | 65.5K | 3 |
| AS40204US | JSU-EDU-NET - Jacksonville State University | 8.2K | — | 5 |
| AS36515US | ASN-ALLENS - Allens Communications | 8.2K | — | 3 |
| AS394314US | AKLIZ - Akliz, Inc. | 8.2K | — | 7 |
| AS15114US | HOSTDEPOT-ASN - Host Depot, Inc. | 8.2K | — | 1 |
| AS26881US | DASTOR-LLC - IPR International, LLC. | 8.2K | — | 15 |
| AS393288US | ZULUINTERNET1 - Zulu Internet, Inc. | 8.2K | — | 17 |
| AS14416US | BRAVO-NET - Internet de Nuevo Laredo, S.A de C.V. | 8.2K | — | 1 |
| AS129US | DNIC-AS-00129 - United States Department of Defense (DoD) | 8.2K | — | 16 |
| AS394712US | NYSOSC - New York State Office of the State Comptroller | 8.2K | — | 1 |
| AS399896US | VWNA-AS3 - Volkswagen Group of America, Inc. | 8.2K | — | 1 |
| AS393705US | LYTEFIBER-01 - Lyte Fiber, LLC | 8.2K | 65.5K | 2 |
| AS22601US | BONNPOWERNET - Bonneville Power Administration | 8.2K | 260 | 7 |
| AS13480US | OGOPS - Ongoing Operations, LLC | 8.2K | — | 25 |
| AS11919US | LORAL-SKYNET-AR - Telesat Network Services Inc | 8.2K | — | 1 |
| AS13706US | COMPLETEWEBNET - CompleteWeb.Net LLC | 8.2K | 69.6K | 31 |
| AS63400US | LUBBOCKISD-ASN - Lubbock Independent School District | 8.2K | — | 3 |
| AS54932US | M3-WIRELESS - M3 Wireless Inc. | 8.2K | — | 32 |
| AS20382US | OANET - OA.NET | 8.2K | 65.5K | 2 |
| AS7350US | METCOMM - MetComm.Net, LLC | 8.2K | — | 1 |
| AS399554US | FOUR-STATES-FIBER - Four States Fiber | 8.2K | 4.1K | 4 |
| AS47064US | ESCXV - Education Service Center Region XV | 8.2K | — | 1 |
| AS7146US | GABN - Georgia Business Net, Inc | 8.2K | — | 1 |
| AS14909US | PNG-TELECOM - PowerNet Global Communications | 8.2K | — | 2 |
| AS12268US | ETOWNCOLLEGE-ASN - Elizabethtown College | 8.2K | — | 17 |
| AS26860US | SWTC - SWIFTEL COMMUNICATIONS | 8.2K | 65.5K | 2 |
| AS13742US | CENCOM-NEBR - CENCOM INC | 8.2K | — | 2 |
| AS62814US | ZETA-SACRAMENTO - Zeta Broadband, Inc. | 8.2K | 4.1K | 4 |
| AS40395US | VIRTBIZ-DALLAS - VIRTBIZ Internet Services | 8.2K | 65.5K | 33 |
| AS22275US | SECURENET-SYSTEMS - Securenet Systems, Inc. | 8.2K | — | 1 |
| AS26247US | HCCA - Hamilton-Clermont Cooperative Assn. | 8.2K | — | 18 |
| AS8082US | WORLDSITE - Worldsite Networks | 8.2K | — | 1 |
| AS47003US | ALPS-AS-1 - Littleton Public Schools | 8.2K | — | 1 |
| AS54616US | SSU-173244000000-19 - Salem State University | 8.2K | — | 1 |
| AS10700US | TECINFO - TECINFO, Inc. | 8.2K | 65.5K | 2 |