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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 | 25,270 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 642 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,323 |
| 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.
32,193 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 | 3,900 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.9M | 2,009 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.5M | 4,230 |
| — |
| — |
| 0 |
| AS10749US | AFFINET - Ntirety, Inc. | — | — | 0 |
| AS10781US | VINEYARD - Vineyard.NET, Inc. | — | — | 0 |
| AS10787US | MOTHER-ASN - mother.com, Inc. | — | — | 0 |
| AS10791US | PDQNETINC - PDQ NET INCORPORATED | — | — | 0 |
| AS10805US | XO-AS10805 - Verizon Business | — | — | 0 |
| AS10813US | DELTATHREE - Deltathree | — | — | 0 |
| AS10873US | SIEMENS-SMI - Siemens Microelectronics | — | — | 0 |
| AS10877US | CHAMBERS - Chambers Multimedia Connection | — | — | 0 |
| AS10884US | FRYIN-AS - Oracle Corporation | — | — | 0 |
| AS10993US | AERIONET-INC - Aerioconnect | — | — | 0 |
| AS11040US | FMR-AS1 - FMR LLC | — | — | 0 |
| AS11041US | ATLANTIC-NET-2 - Atlantic.net, Inc. | — | — | 0 |
| AS11056US | BERGERMONTAGE-HRVR - Berger Montague | — | — | 0 |
| AS11107US | FREMONT-COMM - Blackfoot Telephone Cooperative, Inc. | — | — | 0 |
| AS11177US | DRS-21-11177 - Dominion Energy Services, Inc. | — | — | 0 |
| AS11185US | DREAMHACK - DreamHack Inc | — | — | 0 |
| AS11301US | TRIJITNET-US - TRIJIT CORPORATION | — | — | 0 |
| AS11303US | DATARETURN - Verizon Business | — | — | 0 |
| AS11381US | NFIS - Point Broadband Fiber Holding, LLC | — | — | 0 |
| AS11405US | EPA-FDMS - Environmental Protection Agency | — | — | 0 |
| AS11422US | CALREN-2 - CENIC | — | — | 0 |
| AS11513US | INETSERVICES-AS1 - InetServices, LLC | — | — | 0 |
| AS11552US | PHOENIX-LIFE-INSURANCE-COMPANY - Nassau Life Insurance Company | — | — | 0 |
| AS11576US | THUNDERBIRD-AGSIM - Thunderbird | — | — | 0 |
| AS11634US | HHC-AS - Hilton Worldwide Holdings Inc | — | — | 0 |
| AS11658US | NCITECH - NCI Technologies, Inc. | — | — | 0 |
| AS11772US | CIALLC - Client Instant Access, LLC | — | — | 0 |
| AS11784US | ASN-AV8 - AV8 Internet, Inc | — | — | 0 |
| AS11837US | SAWNET - Wave Broadband | — | — | 0 |
| AS12038US | BNGO-DECA-SVCS - Boingo Wireless, Inc. | — | — | 0 |
| AS12045US | INTELEPEER-US - IntelePeer, Inc. | — | — | 0 |
| AS12194US | ARAP-DLSTX - American Radiology Associates, P.A. | — | — | 0 |
| AS12220US | I-EVOLVE-TECHNOLOGY-SERVICES - I-Evolve Technology Services | — | — | 0 |
| AS12256US | CITYLINQ - CityLinq Net Services | — | — | 0 |
| AS13355US | KNOXVILLE - ANSWER FINANCIAL INC | — | — | 0 |
| AS13451US | NWF-IFIBER-ASN-1 - Ziply Fiber | — | — | 0 |
| AS13486US | PIMCL-ASN - Praesidium Investment Management Company, LLC | — | — | 0 |
| AS13531US | EQUINIX-CX-DC - Equinix, Inc. | — | — | 0 |
| AS13542US | FISERV-COSTARICA - Fiserv Solutions, LLC | — | — | 0 |
| AS13557US | CORESPACE-DAL3 - CoreSpace, Inc. | — | — | 0 |
| AS13589US | PANAMSAT-1 - PanAmSat Corporation | — | — | 0 |
| AS13600US | CONVO - Convo | — | — | 0 |
| AS13605US | MEMA-CFMR - Maryland Emergency Management Agency | — | — | 0 |
| AS13658US | QUANTIL - QUANTIL, INC | — | — | 0 |
| AS13664US | VRIS-AS-BLOCK - Verizon Business | — | — | 0 |
| AS13711US | GEORGIA-PACIFIC - Georgia-Pacific LLC | — | — | 0 |