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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 | 23,666 |
| 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 |
| 234 |
| 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 | 4,491 |
| — |
| 3 |
| 3 |
| AS200690US | YOURSUNNY-AS Junxiao Shi | — | 39 | 9 |
| AS55223US | BGP-NETWORKS-LLC - BGP Networks LLC | — | 3 | 3 |
| AS400743US | SPACESHIP-LANDINGS - Spaceship Landings LLC | — | 1 | 1 |
| AS208812US | ONDRYA Ondrya LLC | — | 1 | 1 |
| AS401767US | T4T-MAIN - T4T Labs | — | 1 | 1 |
| AS213073US | BYTESIZE Bytesize Internet LLC | — | 1 | 1 |
| AS401848US | ELYSIAN-NETWORKS - Elysian Networks LLC | — | 3.1M | 6 |
| AS402008US | L7CORE-L7AS01 - L7CORE, LLC | — | 1 | 1 |
| AS216357US | INFINITIUM-AS216357 INFINITIUM CORPORATION | — | 2 | 2 |
| AS399011US | C3AERO - C3Aero LLC | — | 1 | 1 |
| AS10725US | GENENTECH - Genentech, Inc. | — | 65.8K | 2 |
| AS30581US | SUNOAKI-NET - Sunoaki Network LLC | — | 1 | 1 |
| AS23340US | GALAXYGATE-EDGE - GALAXYGATE, LLC | — | 524.3K | 1 |
| AS54694US | IPREPORT - IPREPORT | — | 1.6M | 3 |
| AS11344US | YOUTUBE - YouTube, LLC | — | — | 0 |
| AS403156US | ENTERPRISE-JUNCTION - Enterprise | — | 1 | 1 |
| AS30273US | DIDL-1 - DreamWorks Studios | — | — | 0 |
| AS11944US | LTC-1 - LaValle Telephone Cooperative | — | 256 | 1 |
| AS30266US | RF-SJC-DATACENTER - Rodan & Fields LLC | — | — | 0 |
| AS201398US | AS201398-NETWORK Guwin Universal Services LLC | — | 9 | 9 |
| AS29710US | BUNCOMBECOSCHOOLS - Buncombe County Schools | — | — | 0 |
| AS210066US | ANYCORE Anycore Inc | — | 1 | 1 |
| AS29740US | SSI-BGP4 - Schaefer Systems International, Inc. | — | — | 0 |
| AS216225US | qprisk Quest & Pearson LLC | — | 32 | 2 |
| AS27538US | NOBLEENERGY-ASN2 - Chevron Corporation | — | — | 0 |
| AS395893US | VCT-TECHNOLOGIES-LLC - VCT Holdings LLC | — | 1 | 1 |
| AS398024US | ELEMENT-4-SWGR - Element Four | — | 1 | 1 |
| AS395841US | TAMCLOUD - tamCloud, Inc. | — | 4.1K | 1 |
| AS33065US | NUVEUM - Nuveum Inc. | — | — | 0 |
| AS33655US | CMCS - Comcast Cable Communications, LLC | — | 7 | 7 |
| AS27048US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS33665US | CMCS - Comcast Cable Communications, LLC | — | 2 | 2 |
| AS32137US | FTD-1 - FTD, LLC | — | — | 0 |
| AS27644US | THREATSTOP - ThreatSTOP | — | 18 | 3 |
| AS4296US | CENTURYLINK-MTIPS3-BUR - CenturyLink Communications, LLC | — | 0 | 3 |
| AS396874US | JAMF - JAMF | — | 1 | 1 |
| AS215313US | LINEAR-NETWORK Emily Ingalls | — | 17 | 2 |
| AS218794US | XORIST James Jones | — | 1 | 1 |
| AS219383US | LewisAS Andrew Lewis | — | 19 | 4 |
| AS400688US | DNET-464 - Daniel Marks, Sole Proprietorship | — | 2 | 1 |
| AS219255US | Lee-World Derek Lee | — | 1 | 1 |
| AS5980US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | 1 | 1 |
| AS47778US | SUNOAKI-NET-BACKBONE Sunoaki Network LLC | — | 13 | 10 |
| AS401206US | POGODAN - Pogodan | — | 1 | 1 |
| AS15222US | GRACE-CLOUD-NET - Grace International Inc. | — | 256 | 1 |
| AS33760US | UWUNET - Ashton Holmes, Sole Proprietorship | — | 5 | 5 |