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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) | 227.5M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 218M | 24,645 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 643 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,307 |
| 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.
32,220 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 233 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,890 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,006 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,364 |
| — |
| 5 |
| 5 |
| AS399975US | NSWAT - NetSWAT LLC | — | 1M | 10 |
| AS400743US | SPACESHIP-LANDINGS - Spaceship Landings LLC | — | 1 | 1 |
| AS400148US | BULK-SOLUTIONS-01 - Bulk Solutions, LLC | — | 256 | 1 |
| AS398394US | DF-HADDEN - DF Supply, Inc. | — | 1 | 1 |
| AS396563US | VRSN-AC50-340 - VeriSign Global Registry Services | — | 1 | 1 |
| AS2010US | INFONET6 - INFONET Services Corporation | — | 1 | 1 |
| AS207556US | SERVERFORGE - ServerForge LLC | — | 64 | 1 |
| AS394839US | TRITAN-INTERNET-LLC - Tritan Internet LLC | — | 1 | 1 |
| AS14482US | LAB47 - Lab47 | — | 256 | 1 |
| AS51856US | SRSP-4-51856 - Aubrey Rose | — | 16 | 1 |
| AS208812US | ONDRYA Ondrya LLC | — | 1 | 1 |
| AS950US | MILEHIGHWALRUS-ANYCAST - Milehighwalrus Network | — | 32 | 2 |
| AS13696US | GLOBAL-X-NETWORK - NetFuture Technology LLC | — | 263 | 8 |
| AS395250US | AS-BMSO365 - Bristol-Myers Squibb Company | — | 24 | 4 |
| AS219525US | DaleNetworks Jevin Dale | — | 1 | 1 |
| AS22503US | METHOD-01 - Method Security Inc | — | 128 | 2 |
| AS14714US | GESTALT - Gestalt | — | 1 | 1 |
| AS207071US | FOX-NETWORK-AS Joshua Jones | — | 3 | 3 |
| AS22729US | PETERSON-FARMS-01 - Peterson Farms, Inc. | — | 15 | 14 |
| AS402613US | MILAN-US-WEST-CALIFORNIA - Milaneum, | — | 4.1K | 1 |
| AS402696US | AS402696 - Elkhorn | — | 1 | 1 |
| AS32995US | LIBERTY-CHRISTIAN-SCHOOL-01 - Liberty Christian School | — | 1 | 1 |
| AS401431US | BLUE-QUARTZ-0 - Blue Quartz | — | 6 | 6 |
| AS211233US | Ronsor-LLC Ronsor LLC | — | 17 | 2 |
| AS959US | OHANACAST - OHANACRAFT, LLC | — | 1 | 1 |
| AS21687US | AS21687 - Crown Castle Fiber LLC | — | 1.5K | 3 |
| AS57257US | ZORINS-AS Zorins LLC | — | 2 | 2 |
| AS18457US | FEATHER-IT-NET - Feather IT LLC | — | 1 | 1 |
| AS219534US | US-PLUSINFO PlusInfo LLC | — | 65.5K | 1 |
| AS19330US | TRITAN-INTERNET-LLC - Tritan Internet LLC | — | 2 | 2 |
| AS199018US | ASXKRME Xkrme Network LLC | — | 174 | 12 |
| AS203975US | Zorn-Technologies Zorn Technologies LLC | — | 1 | 1 |
| AS207414US | Ganawa-James-Juanah Ganawa Juanah | — | 2 | 2 |
| AS399779US | MOCIX - HYEHOST LLC | — | 1 | 1 |
| AS402402US | CELL - Infoecell | — | 1M | 2 |
| AS394593US | MATROID - Matroid, Inc. | — | 1 | 1 |
| AS401947US | TRIAD-PATHFINDERS - Triad Pathfinders LLC | — | 3 | 3 |
| AS33656US | CMCS - Comcast Cable Communications, LLC | — | 7 | 7 |
| AS218876US | NR-DIGITAL-LLC-AS N.R. Digital LLC | — | 512 | 2 |
| AS402256US | SEAN-LAB-01 - Sean Johns, Sole Proprietorship | — | 3 | 2 |
| AS399196US | REDRAY-STUDIOS - REDRAY STUDIOS LLC | — | 3 | 3 |
| AS29854US | WESTHOST - WestHost, Inc. | — | 65.5K | 1 |
| AS402536US | NETZR - NETZR | — | 1 | 1 |
| AS105US | MOT-MCD-AS - Gould Computer Systems Division | — | 128 | 2 |
| AS1031US | PEER1-1031 - PEER 1031 LLC | — | 1 | 1 |
| AS402664US | EHOCGL - Evergreen | — | 2.6M | 5 |