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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) | 227.4M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 217.9M | 24,512 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 643 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,322 |
| 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.
32,235 autonomous systems registered to United States. Click an AS for detail.
| 72.9M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.6M | 3,906 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,002 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.7M | 4,281 |
| — |
| — |
| 0 |
| AS7348US | CRYSTALBALL - Crystalball software | — | — | 0 |
| AS7371US | KINDERMORGAN-INC - El Paso CGP Company, L.L.C. | — | — | 0 |
| AS7374US | VALUSERVE - ValuServe.Com | — | — | 0 |
| AS7396US | OREGON-IX - University of Oregon | — | — | 0 |
| AS7422US | JAYHAWK-ASN - Jayhawk Acceptance Corporation | — | — | 0 |
| AS7425US | DAI - Distribution Architects International | — | — | 0 |
| AS7429US | CYBERMEDIA - Cybermedia, Inc. | — | — | 0 |
| AS7461US | MTAU-AS - Minnesota Coalition for Internet Accessability | — | — | 0 |
| AS7735US | REDSHIFT - Razzo Link, Inc. | — | — | 0 |
| AS7748US | SHUREAS - Shure Incorporated | — | — | 0 |
| AS7757US | COMCAST-7757 - Comcast Cable Communications, LLC | — | — | 0 |
| AS7758US | GLOBAL-ONE-NMC - Global One | — | — | 0 |
| AS7766US | GRINNET - Grin Net, LLC. | — | — | 0 |
| AS7769US | WARPED - Internet Extra Corporation | — | — | 0 |
| AS7790US | PACIFIER - Pacifier Computers | — | — | 0 |
| AS7808US | ECCOMPANY - The EC Company | — | — | 0 |
| AS7836US | XO-AS16 - Verizon Business | — | — | 0 |
| AS7839US | ALG-VACATIONS - ALG Vacations Corp. | — | — | 0 |
| AS7869US | DATADEPOT-ASN - The Data Depot, Inc. | — | — | 0 |
| AS7930US | TSCNET - TSCNet Online Services | — | — | 0 |
| AS7956US | ONECOM-LTP - Windstream Communications LLC | — | — | 0 |
| AS7978US | PRISM - Prism Communications | — | — | 0 |
| AS7986US | CENTURYLINK-LEGACY-SAVVIS-COIN-FNS - CenturyLink Communications, LLC | — | — | 0 |
| AS7989US | LUMEN-DENVER-CORPORATE-SPA - CenturyLink Communications, LLC | — | — | 0 |
| AS8017US | VRIS-8017 - Verizon Business | — | — | 0 |
| AS8037US | MTB - Manufacturers and Traders Trust Company | — | — | 0 |
| AS8041US | ATW - EarthReach Communications, LLC | — | — | 0 |
| AS8077US | PERFAUTO - Devco Holdings | — | — | 0 |
| AS8086US | PBD-NET - AT&T Services, Inc. | — | — | 0 |
| AS8171US | ENET - eNET Inc. | — | — | 0 |
| AS10274US | MERCURY-2 - Mercury Network Corporation | — | — | 0 |
| AS10288US | MIN-NET - MetroNet Internet Services, LLC | — | — | 0 |
| AS10330US | VOYAGER - CoreComm Internet Services Inc | — | — | 0 |
| AS10368US | RCN-AS10368 - RCN | — | — | 0 |
| AS10418US | TEKNOS - TEKNOS Consulting Corporation | — | — | 0 |
| AS10435US | IDCOMM - ID COMMUNICATIONS | — | — | 0 |
| AS10477US | CEPHAS - Cephas Multimedia, Inc. | — | — | 0 |
| AS10485US | UW-STOUT - University of Wisconsin - Stout | — | — | 0 |
| AS10509US | IEWAY - Internet Expressway | — | — | 0 |
| AS10514US | SPLITROCK - Splitrock Services Inc. | — | — | 0 |
| AS10536US | INDIVIDUAL - Individual, Inc. | — | — | 0 |
| AS10537US | CTI-AS-1 - CTI Networks Inc. | — | — | 0 |
| AS10547US | FIREASN - Firebird Management LLC | — | — | 0 |
| AS10572US | RESROCKET - Res Rocket Surfer, Inc | — | — | 0 |
| AS10604US | KINKO - Kinkos, Inc. | — | — | 0 |
| AS10612US | TUDOR-ASN - Tudor, Pickering, Holt & Co. Securities, Inc. | — | — | 0 |