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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 | 21,133 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 638 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,235 |
| 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 | 48.8M | 3,614 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,941 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,429 |
| 2K |
| — |
| 5 |
| AS46434US | MITSU-10-ASN - MUFG Securities Americas Inc. | 2K | — | 7 |
| AS33069US | AS-BUSINESS-COMMUNICATIONS - BCI | 2K | 65.5K | 3 |
| AS18793US | COM-PAIR-BROADBAND - Com-Pair Services | 2K | — | 4 |
| AS40533US | EBAY-ENTERPRISE - eBay, Inc | 2K | — | 8 |
| AS19272US | RCL-268-19272 - Rochester Colo LLC | 2K | 65.5K | 2 |
| AS26492US | VCCCD-NET - VCCCD | 2K | — | 8 |
| AS23509US | INVLOCSVC - Inventory Locator Service, LLC | 2K | — | 8 |
| AS11365US | CREDI-38-ASN - Credit.com, Inc. | 2K | — | 5 |
| AS55056US | CBC-ISPA-CUSTFACING - Central Bancompany, Inc. | 2K | — | 6 |
| AS36466US | COHERE - Cohere Communications, LLC | 2K | — | 2 |
| AS62672US | STREAMWIDE-INC - Streamwide Inc. | 2K | 7 | 15 |
| AS33444US | ASN-TAZEWELL-CO-VA-GOVT - Tazewell County | 2K | — | 1 |
| AS22955US | CHHS-1 - Children's Hospital & Health System, Inc. | 2K | — | 5 |
| AS400454US | AS-DATAREMOTE - DataRemote, Inc. | 2K | — | 8 |
| AS3826US | HILTON-C - Hilton Worldwide Holdings Inc | 2K | — | 2 |
| AS13913US | AFFILIATED - Affiliated Monitoring, Inc. | 2K | — | 8 |
| AS36481US | DIGITALEDGE-VENTURES-INC - DIGITAL EDGE VENTURES INC. | 2K | — | 5 |
| AS10558US | BIOLA---BIOLA-UNIVERSITY - Biola University, Inc. | 2K | — | 6 |
| AS27621US | AMERICAN-COMPUTER-ASSOCIATES-SCHUYL-INC - AMERICAN COMPUTER ASSOCIATES | 2K | — | 8 |
| AS18614US | YAKNET - Yakima County | 2K | — | 1 |
| AS32021US | OSOINTERNET - Oso Internet Solutions | 2K | — | 5 |
| AS396447US | SILVERIP-MW-ASN - SilverIP Communications Inc. | 2K | — | 6 |
| AS31920US | GEETEL-AS - Geetingsville Telephone Co., Inc. | 2K | — | 1 |
| AS17060US | E-NETWORKS - NBCUniversal | 2K | — | 8 |
| AS12085US | EQUINIX-EC-DC - Equinix, Inc. | 2K | 2 | 9 |
| AS398224US | UNITEDBANK-01 - United Bankshares, Inc. | 2K | — | 4 |
| AS26757US | SOLERA-HOLDINGS-EXPANSION-02 - Solera Holdings, LLC | 2K | — | 2 |
| AS32587US | NCH-FTWDC-01 - Frontier Communications of America, Inc. | 2K | — | 4 |
| AS30309US | IEXPOSURE-AS - Internet Exposure, Inc. | 2K | — | 1 |
| AS32075US | FBL-AS - Iowa Farm Bureau Federation & Affiliated Cos. | 2K | — | 8 |
| AS26632US | CONNETRIX-01 - Connetrix | 2K | — | 1 |
| AS11046US | LITTLE-APPLE - Little Apple Technologies | 2K | — | 8 |
| AS399234US | EQA-WAN-01 - Philip Morris USA | 2K | — | 7 |
| AS398915US | SHARONTC-NET-1 - Sharon Telephone Company | 2K | 65.5K | 9 |
| AS26835US | MAPOLCE - M.A. POLCE CONSULTING INC. | 2K | — | 3 |
| AS206273US | GLOBALROUTERLLC Global Router LLC | 2K | — | 4 |
| AS26141US | CUBEPATH - CubePath | 2K | 69.6K | 13 |
| AS5008US | TW-ASN-01 - Boldyn Networks Transit US LLC | 2K | — | 5 |
| AS31801US | BHS-NET-LOU - Baptist Healthcare System | 2K | — | 8 |
| AS399704US | HALSEY - GigXero Inc | 2K | — | 6 |
| AS27409US | ROCKBRIDGE-GLOBAL-VILLAGE - Rockbridge Global Village, Inc. | 2K | — | 1 |
| AS11463US | KINDREDHEALTHCARE - Kindred Healthcare, Inc. | 2K | — | 4 |
| AS62488US | CCG-AS - Columbia County, Georgia | 2K | 65.5K | 2 |
| AS27314US | HIU - Hope International University | 2K | — | 1 |
| AS396298US | ACRETO - Acreto | 2K | 38 | 12 |
| AS36451US | RIGETTI-BERKELEY-01 - Rigetti Computing | 2K | — | 5 |