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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. | 211.2M | 21,268 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,248 |
| 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 | 413 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,721 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,955 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,300 |
| VRSN-AC50-340 - VeriSign Global Registry Services |
| — |
| — |
| 0 |
| AS396710US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396728US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396777US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396788US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396815US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396906US | ATG-396906 - Accretive Networks | — | — | 0 |
| AS396913US | CL-1597-AS - Clazern, L.L.C. | — | — | 0 |
| AS396963US | NERDWALLET - Nerdwallet, Inc. | — | — | 0 |
| AS397069US | PERSPECTA-01 - Vencore Labs, Inc. | — | — | 0 |
| AS397106US | WOLFCOM - Wolf Communications LLC | — | — | 0 |
| AS397114US | MACST-FR6 - MacStadium, Inc. | — | — | 0 |
| AS397223US | SECURITYSERVICES - Vercara, LLC | — | — | 0 |
| AS397386US | MOTB - The Museum of the Bible, Inc | — | — | 0 |
| AS397484US | CENTREWISP01 - Centre WISP Venture Company | — | — | 0 |
| AS397505US | WCIPL-01 - West Coast Internet Provider LLC | — | — | 0 |
| AS397523US | NJSDA-PUB-01 - NJSDA | — | — | 0 |
| AS397584US | HAYSTACKID-01 - HaystackID, LLC | — | — | 0 |
| AS397604US | RFSUNY - The Research Foundation for the State University of New York. | — | — | 0 |
| AS397639US | VBRIDGE1 - Virtual Bridge | — | — | 0 |
| AS397698US | CCB - Clear Creek Broadband, LLC | — | — | 0 |
| AS397708US | NEXSJLLC-SIGNIASJ - Signia by Hilton San Jose | — | — | 0 |
| AS397763US | SPACEX-STARLINK - SpaceX Services, Inc. | — | — | 0 |
| AS397831US | STREAM-AS - Streamlight, Inc. | — | — | 0 |
| AS397846US | EXPEDIA-COGENT - EXPEDIA, INC | — | — | 0 |
| AS397884US | MGM-ASN-01 - Metro-Goldwyn-Mayer Studios Inc. | — | — | 0 |
| AS397985US | SKYWAVES-WISP - Skywaves Broadband LLC | — | — | 0 |
| AS398043US | DYNU - Dynu Systems Incorporated | — | — | 0 |
| AS398096US | EX-AS-01 - Exabyte | — | — | 0 |
| AS398107US | GO-DADDY-COM-LLC - GoDaddy.com, LLC | — | — | 0 |
| AS398250US | BHPL-ASN - Brookfield Hospitality Properties LLC | — | — | 0 |
| AS398473US | ROTHEMEA - Rothschild & Co US Inc. | — | — | 0 |
| AS398497US | PBBFH RU - Point Broadband Fiber Holding, LLC | — | — | 0 |
| AS398518US | DNIC-ASBLK-4BYTE - United States Department of Defense (DoD) | — | — | 0 |
| AS398529US | DNIC-ASBLK-4BYTE - United States Department of Defense (DoD) | — | — | 0 |
| AS398531US | DNIC-ASBLK-4BYTE - United States Department of Defense (DoD) | — | — | 0 |
| AS398615US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS398657US | MICROSOFT-AZURE-DEDICATED - Microsoft Corporation | — | — | 0 |
| AS398710US | SHELLS - E SHELLS INC | — | — | 0 |
| AS398729US | AMEX-PART-DFW - American Express Company | — | — | 0 |
| AS398760US | SANDATA-NY5 - Sandata Technologies, LLC | — | — | 0 |
| AS399045US | DEDIOUTLET-NETWORKS - DediOutlet, LLC | — | — | 0 |
| AS399052US | ENTHQ-01 - Ent Credit Union | — | — | 0 |
| AS399070US | TAN-CLOUD-01 - TANIUM INC | — | — | 0 |
| AS399075US | KAYSVILLE-NOC1 - Kaysville City | — | — | 0 |
| AS399092US | GWI-CB-ASN - Gallatin Wireless Internet, LLC | — | — | 0 |
| AS399167US | SECURITYSERVICES - Vercara, LLC | — | — | 0 |