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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 | 23,661 |
| 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 |
| 236 |
| 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 | 4,490 |
| 1.8K |
| — |
| 6 |
| AS20352US | LHS - Legacy Health | 1.8K | — | 7 |
| AS394142US | AVIDBIT-SLC - AvidBit | 1.8K | — | 7 |
| AS26215US | XCLUTEL - Xclutel LLC | 1.8K | — | 3 |
| AS13621US | REINSURANCE - Reinsurance Group of America, Incorporated | 1.8K | — | 7 |
| AS32848US | ETON-INTERNATIONAL-INC - ETON INTERNATIONAL, INC. | 1.8K | — | 7 |
| AS400528US | PELLA-FIBER - City of Pella | 1.8K | 65.5K | 4 |
| AS395723US | LIGHTSPEEDHOSTING1 - LightSpeed Hosting | 1.8K | 4.1K | 5 |
| AS3653US | HBAL-2-3653 - House of Ben Avraham LLC | 1.8K | 4.1K | 4 |
| AS402511US | XPEER - XPEERS | 1.8K | 2.1M | 12 |
| AS53930US | SABA-AS-001 - Saba Software Inc. | 1.8K | — | 7 |
| AS32595US | LIBERALLY-INTERNATIONAL - Liberally Network, LLC | 1.8K | 257 | 5 |
| AS36433US | AS-BCLLP - Bryan Cave LLP | 1.8K | — | 7 |
| AS372US | AS372 - National Aeronautics and Space Administration | 1.8K | — | 5 |
| AS19367US | CAROUSEL-INDUSTRIES - Carousel Industries of North America, LLC | 1.8K | — | 7 |
| AS18816US | ANDREWCORP-AOP - CommScope Technologies LLC | 1.8K | — | 7 |
| AS14895US | LAWSON-SOFTWARE - Lawson Software | 1.8K | — | 3 |
| AS53975US | WAM - WESTERN ASSET MANAGEMENT COMPANY | 1.8K | — | 7 |
| AS21758US | MODINE-MANUFACTURING - Modine Manufacturing Company | 1.8K | — | 6 |
| AS36742US | DATA-INTENSITY - Data Intensity, LLC | 1.8K | — | 7 |
| AS25670US | THINKCSC - thinkCSC | 1.8K | 34 | 11 |
| AS14791US | NTS-DENISON-01 - Vexus Fiber | 1.8K | — | 3 |
| AS46829US | LAMHOSTING - Lamhosting LLC | 1.8K | 6 | 12 |
| AS14011US | DESIGNDATA - Design Data Systems, Inc. | 1.8K | — | 6 |
| AS40169US | USABROAD - USABROAD INC. | 1.8K | — | 7 |
| AS63044US | CMC - Commercial Metals Company | 1.8K | — | 7 |
| AS394898US | HCDL-PITTSBURGH-DATA-CENTER - H5 Data Centers | 1.8K | 256 | 8 |
| AS35876US | VOLTNET-01 -03 - VoltNet inc | 1.8K | — | 7 |
| AS396839US | TEKTONIC-PHL - TekTonic | 1.8K | 1 | 6 |
| AS11176US | SMART-CITY-MNCC - SMART CITY NETWORKS, LIMITED PARTNERSHIP | 1.8K | — | 3 |
| AS40059US | CBCCTS-HQNET - Community Blood Center | 1.8K | — | 4 |
| AS53332US | C2HOSTING-01 - C2Hosting, LLC | 1.8K | — | 3 |
| AS54749US | JASPIN - Jaspin Interactive, Inc. | 1.8K | — | 4 |
| AS396181US | SOUTHERNLINC-PACKETDATA-ASN2 - SouthernLINC Wireless | 1.8K | — | 7 |
| AS393499US | ONLINE-TECH-LLC3 - Otava, LLC | 1.8K | — | 4 |
| AS393936US | TULSA-COUNTY - Metropolitan Tulsa Electronic Network | 1.8K | — | 5 |
| AS36221US | ESOSOFT - Esosoft Corporation | 1.8K | 8 | 15 |
| AS10599US | MCKESSON - McKesson Corp. | 1.8K | — | 7 |
| AS18959US | RP-368-18959 - Radia Inc., PS | 1.8K | — | 4 |
| AS398929US | CLL - Loma Linda Connected Community Program | 1.8K | — | 6 |
| AS399888US | WIRECAT-LLC - WireCat LLC | 1.8K | 261 | 13 |
| AS10325US | INGRAMMICRO - Ingram Micro Inc. | 1.8K | — | 4 |
| AS397095US | SETSONLLC - Setson LLC | 1.8K | 4.1K | 6 |
| AS399870US | BYNARIUM-BACKBONE - BYNARIUM LLC | 1.8K | 773 | 15 |
| AS2143US | AS2143 - National Aeronautics and Space Administration | 1.8K | — | 3 |
| AS397866US | ELN-ATL-HQ - EarthLink | 1.8K | — | 7 |
| AS14931US | STA-AS - The St. Paul Travelers Companies, Inc. | 1.8K | — | 6 |