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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. | 210.9M | 21,022 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,223 |
| 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 | 48M | 3,586 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,933 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,550 |
| 10K |
| 65.5K |
| 5 |
| AS30070US | THE HERSHEY COMPANY - The Hershey Company | 10K | — | 26 |
| AS25715US | SW-MN-BROADBAND - SOUTHWEST MINNESOTA BROADBAND SERVICES | 10K | — | 24 |
| AS400039US | WT-AUR - Wolverine Trading, LLC | 9.7K | — | 39 |
| AS14929US | IQNT-VIT - Inteliquent, inc. | 9.7K | — | 31 |
| AS36137US | PEG-FR - PEG TECH INC | 9.7K | 1 | 12 |
| AS26734US | PWR-NET - Shelby Electric Cooperative | 9.7K | — | 20 |
| AS12052US | VFC - VF Services, Inc. Information Technology Services | 9.7K | — | 24 |
| AS33099US | DTSFIBER - DTS Fiber | 9.7K | 15 | 36 |
| AS11799US | AS11799 - JMC Capital, LLC | 9.7K | 65.5K | 8 |
| AS23431US | AHSW-ROSEVILLE - Adventist | 9.7K | 1 | 8 |
| AS1848US | AS1848 - National Aeronautics and Space Administration | 9.7K | 1 | 26 |
| AS25795US | ARPNET - ARP NETWORKS, INC. | 9.7K | 655.4K | 14 |
| AS397511US | PURDUE-RESEARCH - Purdue University | 9.7K | 1 | 5 |
| AS26395US | JOHNSON-CONTROLS - Johnson Controls Inc | 9.7K | — | 35 |
| AS16826US | JCCC - Johnson County Community College | 9.7K | — | 8 |
| AS22808US | RESOURCES-22808 - LION RESOURCES, INC. | 9.7K | — | 24 |
| AS26967US | DCSL-6-26967 - Sangoma US Inc. | 9.7K | 2 | 18 |
| AS395374US | CYSA-MAIN - Cyber Sainik | 9.7K | — | 38 |
| AS210329US | CloudWebManage-UK-1 Kamatera Inc | 9.7K | 2 | 40 |
| AS23532US | IOVZ-NETWORKS - IOVZ NETWORKS INC | 9.7K | 1M | 67 |
| AS11221US | WHRONET - WHRO Public Media | 9.7K | — | 10 |
| AS13806US | NCRCORP - NCR Voyix Corporation | 9.7K | — | 38 |
| AS398645US | CUMBYTEL - PERSONAL TOUCH COMMUNICATIONS, L.P | 9.7K | — | 13 |
| AS10506US | EVERGREENPS - Evergreen Public Schools | 9.7K | — | 5 |
| AS46853US | SWTEXAS - Southwest Texas Communications | 9.7K | — | 15 |
| AS121US | DNIC-AS-00121 - United States Department of Defense (DoD) | 9.7K | — | 6 |
| AS35950US | VITNA-GSO - Volvo Group North America, Inc. | 9.7K | — | 30 |
| AS26167US | ASN-MARKLEY - Markley Boston LLC | 9.7K | 1 | 29 |
| AS4917US | AMDOCS-AS - AMDOCS Inc. | 9.7K | — | 21 |
| AS15139US | PANASONIC - Panasonic Corporation of North America | 9.7K | — | 14 |
| AS62643US | EVERTEK - Evertek, Inc | 9.7K | 65.5K | 15 |
| AS17088US | CURRENEX - Currenex, Inc. | 9.7K | — | 37 |
| AS15116US | PITT-STATE - Pittsburg State University | 9.7K | 64 | 5 |
| AS399725US | BUZZ-BROADBAND - Buzz BroadBand | 9.7K | — | 3 |
| AS22598US | ALENCO - ALENCO COMMUNICATIONS, INC | 9.7K | — | 38 |
| AS22311US | FAIRNET-LLC - FAIRNET LLC | 9.7K | — | 22 |
| AS15293US | ASN-ISS-ATL - IBM | 9.7K | — | 4 |
| AS12094US | SISTERLAKESCABLE - Sister Lakes Cable | 9.5K | — | 5 |
| AS7256US | VIACOM-AS - Viacom Inc. | 9.5K | — | 18 |
| AS11996US | LOBOIS - Lobo Internet Services, Ltd | 9.5K | 65.5K | 5 |
| AS55083US | NUMEREX - Numerex Corp | 9.5K | 66K | 8 |
| AS35487US | MISAKA Misaka Network, Inc. | 9.5K | 201K | 65 |
| AS36758US | TRUIST-ASN-36758 - Truist Financial Corporation | 9.5K | — | 35 |
| AS26311US | RANCH-WIFI - Ranch WiFi LLC | 9.5K | — | 27 |
| AS30452US | FIRST-NATIONAL-TECHNOLOGY-SOLUTONS - First National Technology Solutions, Inc. | 9.5K | 5 | 11 |
| AS46342US | AJGCO - Arthur J. Gallagher & Co. | 9.5K | — | 21 |