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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) | 227.4M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 217.9M | 25,247 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 642 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,322 |
| 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.
32,189 autonomous systems registered to United States. Click an AS for detail.
| 72.9M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.6M | 3,901 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.9M | 2,010 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.5M | 4,222 |
| 2K |
| — |
| 6 |
| AS203483US | garmin-emea Garmin International, Inc. | 2K | 2 | 7 |
| AS19609US | MANDA-VEEDIX-NET - M&A Technology, Inc | 2K | — | 2 |
| AS36252US | TNWEB-LEW-001 - TNWEB LLC | 2K | — | 1 |
| AS40667US | OIS-53-ASN - Optiquest Internet Services, Inc. | 2K | — | 1 |
| AS36323US | EZRI-36323 - Ezri Inc | 2K | — | 2 |
| AS53633US | PANTHER - A&A Communications LLC | 2K | — | 6 |
| AS33349US | THE-BANK-OF-NEW-YORK-MELLON-CORPORATION-AS33349 - The Bank of New York Mellon Corporation | 2K | — | 5 |
| AS7003US | GNET-ARIN-AS - GNET INC. | 2K | — | 5 |
| AS27409US | ROCKBRIDGE-GLOBAL-VILLAGE - Rockbridge Global Village, Inc. | 2K | — | 1 |
| AS394381US | L7-CONNECT - L7 Connect | 2K | — | 8 |
| AS10558US | BIOLA---BIOLA-UNIVERSITY - Biola University, Inc. | 2K | — | 6 |
| AS22422US | BOARD-OF-ELECTIONS-IN-THE-CITY-OF-NEW-YORK - Board of Elections in the City of New York | 2K | — | 1 |
| AS31756US | COLORADOSPRINGS-GOV - City of Colorado Springs | 2K | — | 1 |
| AS16432US | DFS-NAO - Discover Financial Services | 2K | — | 8 |
| AS35984US | GDS-AS-01 - Group Dekko Services, LLC | 2K | — | 5 |
| AS21568US | NYTD - The New York Times Company | 2K | — | 1 |
| AS18793US | COM-PAIR-BROADBAND - Com-Pair Services | 2K | — | 4 |
| AS31801US | BHS-NET-LOU - Baptist Healthcare System | 2K | — | 8 |
| AS30309US | IEXPOSURE-AS - Internet Exposure, Inc. | 2K | — | 1 |
| AS6586US | WEBCENTRIC - WebCentric Communications, Inc. | 2K | — | 1 |
| AS11463US | KINDREDHEALTHCARE - Kindred Healthcare, Inc. | 2K | — | 4 |
| AS398915US | SHARONTC-NET-1 - Sharon Telephone Company | 2K | 65.5K | 9 |
| AS32075US | FBL-AS - Iowa Farm Bureau Federation & Affiliated Cos. | 2K | — | 8 |
| AS400258US | HBE-INTERNET - Professional Satellite Service, Inc. | 2K | — | 8 |
| AS23509US | INVLOCSVC - Inventory Locator Service, LLC | 2K | — | 8 |
| AS36797US | RURAL-BROADBAND-NETWORK-SERVICES-LLC - Rural Broadband Network Services LLC | 2K | 65.5K | 3 |
| AS36481US | DIGITALEDGE-VENTURES-INC - DIGITAL EDGE VENTURES INC. | 2K | — | 5 |
| AS23268US | NEULION - NeuLion, Inc. | 2K | — | 8 |
| AS36466US | COHERE - Cohere Communications, LLC | 2K | — | 2 |
| AS401416US | AURA-AS - Aurascape, Inc. | 2K | 512 | 10 |
| AS16581US | DEEPINFRA-01 - Deep Infra Inc. | 2K | — | 8 |
| AS53797US | PINPOINTE-N1 - Pinpointe On-Demand, Inc. | 2K | — | 1 |
| AS402631US | FLIPTHEORY - FlipTheory | 2K | — | 8 |
| AS11838US | HGTC-ASN - Horry-Georgetown Technical College | 2K | — | 4 |
| AS18614US | YAKNET - Yakima County | 2K | — | 1 |
| AS201217US | radishcloud RADISHCLOUD TECHNOLOGY LLC | 2K | 90.2K | 60 |
| AS27621US | AMERICAN-COMPUTER-ASSOCIATES-SCHUYL-INC - AMERICAN COMPUTER ASSOCIATES | 2K | — | 8 |
| AS11365US | CREDI-38-ASN - Credit.com, Inc. | 2K | — | 5 |
| AS33751US | BRH - Bartlett Regional Hospital | 2K | — | 1 |
| AS401243US | KOMI-NET - Komi LLC | 2K | 45 | 53 |
| AS40387US | UI-ICCN - University of Illinois | 2K | 1 | 2 |
| AS46994US | TELAX09 - Telax Hosted Call Centre | 2K | — | 3 |
| AS10489US | ARMOUR-AS - Armour Cloud, LLC | 2K | — | 8 |
| AS26951US | CHARTER-26951-NA - Charter Communications LLC | 2K | — | 5 |
| AS13660US | BCBSND-AS - Blue Cross Blue Shield of North Dakota | 2K | — | 1 |
| AS394973US | AARKI - Aarki, Inc. | 2K | — | 8 |