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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 | 3,138 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,141 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 638 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,234 |
| 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.
31,994 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 368 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 48.4M | 3,591 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,937 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,476 |
| 3.1K |
| 65.5K |
| 6 |
| AS13713US | ARCOT - Avago Technologies U.S. Inc. | 3.1K | — | 12 |
| AS397298US | PEOPLES-TELECOM-LLC - Peoples Telecommunications LLC | 3.1K | — | 11 |
| AS12001US | AS-PNN-NET - Point North Networks, Inc. | 3.1K | — | 12 |
| AS11126US | CARLE-ASN - Carle Clinic Association | 3.1K | — | 8 |
| AS395446US | BRIGGS-STRATTON - Briggs & Stratton Corporation | 3.1K | — | 5 |
| AS398173US | SEAGATE-USA-CA-2 - Seagate Technology LLC | 3.1K | — | 12 |
| AS54302US | UNA-IP-ASN-01 - University of North Alabama | 3.1K | — | 5 |
| AS53823US | SMTA - Scio Mutual Telephone Association | 3.1K | 65.5K | 3 |
| AS14088US | WIU7 - Westmoreland Intermediate Unit | 3.1K | — | 2 |
| AS40342US | EARLYWARNINGSERVICES - Early Warning Services | 3.1K | — | 9 |
| AS396860US | MORNET-COMMUNICATIONS - MORnet Communications, LLC | 3.1K | — | 8 |
| AS40154US | VRC-AS - Virtual Radiologic Corporation | 3.1K | — | 12 |
| AS393951US | HORTONS-TV - Hortons TV & Electronics Inc | 3.1K | — | 6 |
| AS54781US | SYSCO-AS - Sysco Corporation | 2.9K | — | 8 |
| AS393556US | NSH167 - Northside Hospital | 2.8K | — | 6 |
| AS27615US | HOVRS - Purple Language Services Co. | 2.8K | — | 11 |
| AS16611US | INFINIAHOST - InfiniaHost.com | 2.8K | 69.6K | 12 |
| AS54696US | FOOTHILLS-BROADBAND - Foothills Broadband, LLC | 2.8K | 4.1K | 10 |
| AS35871US | RCI - Reynolds Cable, Inc | 2.8K | — | 7 |
| AS32307US | VIAERO-WIRELESS-GPRS - NE COLORADO CELLULAR INC | 2.8K | 512 | 13 |
| AS397772US | NTS-MCALLEN-01 - Vexus Fiber | 2.8K | — | 5 |
| AS2763US | PAN-22-2763 - Palo Alto Networks, Inc | 2.8K | — | 11 |
| AS22970US | MAINETECHCOLLEGESYS - Maine Technical College System | 2.8K | — | 11 |
| AS8000US | DWX-AS - Waddell Digital Imaging Center | 2.8K | — | 11 |
| AS16992US | FLT-15 - FIRST LINK TECHNOLOGY, INC. | 2.8K | — | 11 |
| AS9087US | RACKDOG-EU Rackdog, LLC | 2.8K | — | 9 |
| AS402315US | SUPERNETWORK - FSTcloud | 2.8K | — | 11 |
| AS402288US | EEF - Envision EdgeFlow LLC | 2.8K | — | 11 |
| AS402363US | AEJ-01 - KEYSTONE | 2.8K | — | 6 |
| AS23280US | VENN - Venn Technology Corp | 2.8K | — | 11 |
| AS13729US | FIDESSA-US - Fidessa Corporation | 2.8K | — | 11 |
| AS22369US | ONEMIND-01 - Cloudmylab.com | 2.8K | — | 11 |
| AS15086US | QVC - QVC, Inc. | 2.8K | — | 9 |
| AS401514US | KVW-AS01 - Kern Valley Wireless, Inc | 2.8K | — | 6 |
| AS6482US | THRYV - Thryv | 2.8K | — | 9 |
| AS27353US | IUHEALTH-ASN - Indiana University Health Inc. | 2.8K | — | 11 |
| AS13824US | AIREBEAM - AireBeam | 2.8K | — | 4 |
| AS62821US | AS-MNX - MNX Solutions LLC | 2.8K | 1 | 9 |
| AS401434US | HYTRONNETWORK-US - Hytron Network Services (US) LLC | 2.8K | 1 | 7 |
| AS22732US | LINKNET - Kitsap Regional Library | 2.8K | — | 4 |
| AS394345US | WSU-SEA-AS - Washington State University | 2.8K | — | 4 |
| AS30419US | PAEDAE-INC - PaeDae, Inc. | 2.8K | — | 11 |
| AS55077US | LIGHTSPEED-TECHNOLOGIES - LIGHT SPEED TECHNOLOGIES LLC | 2.8K | 4.1K | 6 |
| AS36213US | DWASKG - DreamWorks Animation SKG, Inc. | 2.8K | — | 3 |
| AS393514US | NEW-HAMPTON-MUNICIPAL-LIGHT-PLANT-01 - New Hampton Municipal Light Plant | 2.8K | — | 3 |
| AS393434US | AL-DC-US - Air Link Networks | 2.8K | 4.1K | 6 |