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How United States ranks worldwide on dormant space, the transfer market, routing security and address density.
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 | 3,136 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 210.5M | 20,695 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS721US | DNIC-ASBLK-00721-00726 - United States Department of Defense (DoD) | 73.1M | 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC |
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.
| 68.2M |
| 345 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 66.4M | 1,107 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 47.9M | 3,573 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,926 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.2M | 4,508 |
| — |
| 1 |
| 1 |
| AS396549US | VRSN-AC50-340 - VeriSign Global Registry Services | — | 3 | 3 |
| AS207556US | SERVERFORGE - ServerForge LLC | — | 64 | 1 |
| AS6584US | MICROSOFT-GP-AS - Microsoft Corporation | — | 1 | 1 |
| AS950US | MILEHIGHWALRUS-ANYCAST - Milehighwalrus Network | — | 32 | 2 |
| AS399624US | LECTRON - Lectron | — | 256 | 1 |
| AS55223US | BGP-NETWORKS-LLC - BGP Networks LLC | — | 3 | 3 |
| AS395893US | VCT-TECHNOLOGIES-LLC - VCT Holdings LLC | — | 1 | 1 |
| AS395661US | USENET-SOLUTIONS - Usenet Solutions LLC | — | 3 | 3 |
| AS210655US | LaCrette Brian LaCrette | — | 1 | 1 |
| AS206493US | YUKI-SYSTEMS-AS Alexander Neustadter | — | 1 | 1 |
| AS22729US | PETERSON-FARMS-01 - Peterson Farms, Inc. | — | 15 | 14 |
| AS396075US | TURN-AND-BURN-METALWORKS-LLC - Turn and Burn Metalworks, LLC | — | 18 | 3 |
| AS63101US | AFLYCLOUD-NETWORK - AFLY CLOUD LLC | — | 2 | 2 |
| AS18710US | ASHTONSETH - Ashton S Williams, Sole Proprietorship | — | 1 | 1 |
| AS33042US | NETIFACE-TORONTO - Netiface LLC | — | 65.5K | 1 |
| AS216357US | INFINITIUM-AS216357 INFINITIUM CORPORATION | — | 2 | 2 |
| AS210066US | ANYCORE Anycore Inc | — | 1 | 1 |
| AS398379US | NILES-OFFICES - Warner Management Co, Ltd | — | 1 | 1 |
| AS402444US | LUMMI-NATION-CONNECT - Lummi | — | 65.5K | 1 |
| AS400362US | HYDRA-HOST - Hydra Host, Inc. | — | 1 | 1 |
| AS396518US | BUILDJET - BUILDJET, INC. | — | 1 | 1 |
| AS208884US | flew Jacob Rizzo | — | 4 | 4 |
| AS32995US | LIBERTY-CHRISTIAN-SCHOOL-01 - Liberty Christian School | — | 1 | 1 |
| AS21687US | AS21687 - Crown Castle Fiber LLC | — | 1.5K | 3 |
| AS396015US | CRESTLINE-NETWORKS - Crestline Networks | — | 2 | 2 |
| AS208812US | ONDRYA Ondrya LLC | — | 1 | 1 |
| AS402238US | VTT - Van Oss Telegraph and Telephone LLC | — | 256 | 1 |
| AS207071US | FOX-NETWORK-AS Joshua Jones | — | 3 | 3 |
| AS63232US | EDL-MANAGER - EDL Manager, LLC | — | 1 | 1 |
| AS398835US | LINKED-LAKES - Linked Lakes | — | 256 | 1 |
| AS396661US | VRSN-AC50-340 - VeriSign Global Registry Services | — | 1 | 1 |
| AS401947US | TRIAD-PATHFINDERS - Triad Pathfinders LLC | — | 3 | 3 |
| AS153039US | PRONET-AS-AP - Protected Networks | — | 1 | 1 |
| AS200360US | FOLF-SYSTEMS-AS Cooper Greer | — | 23 | 5 |
| AS142130US | NICONET-AS-US - NICHONET Inter-Continental Hosting Operation Network | — | 20 | 4 |
| AS959US | OHANACAST - OHANACRAFT, LLC | — | 1 | 1 |
| AS204969US | JOHN-BURKE John Burke | — | 3 | 3 |
| AS13696US | GLOBAL-X-NETWORK - NetFuture Technology LLC | — | 22 | 7 |
| AS395250US | AS-BMSO365 - Bristol-Myers Squibb Company | — | 24 | 4 |
| AS1001US | ACI - Academy City Internet LLC | — | 1 | 1 |
| AS575US | DNIC-AS-00575 - Headquarters, USAISC | — | 256 | 1 |
| AS400883US | CHECK-POINT-INC-01 - Check Point Software Technologies Inc. | — | 1 | 1 |
| AS401767US | T4T-MAIN - T4T Labs | — | 1 | 1 |
| AS213832US | LAYERSENTRY-AS LayerSentry LLC | — | 524.3K | 1 |
| AS50236US | Vertexlink_Communications VertexLink Inc. | — | 256 | 1 |
| AS399980US | RFPT - RFPT COMPANY LLC | — | 258 | 3 |