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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 | 21,253 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,249 |
| 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 | 3,722 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,964 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,301 |
| — |
| — |
| 0 |
| AS11177US | DRS-21-11177 - Dominion Energy Services, Inc. | — | — | 0 |
| AS11185US | DREAMHACK - DreamHack Inc | — | — | 0 |
| AS11301US | TRIJITNET-US - TRIJIT CORPORATION | — | — | 0 |
| AS11381US | NFIS - Point Broadband Fiber Holding, LLC | — | — | 0 |
| AS11405US | EPA-FDMS - Environmental Protection Agency | — | — | 0 |
| AS11422US | CALREN-2 - CENIC | — | — | 0 |
| AS11443US | OLM - OLS LLC | — | — | 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 |
| AS11828US | ONSITE - Solutions On Site | — | — | 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 |
| AS12286US | SOUTHTECH - South Tech LLC | — | — | 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 |
| AS13716US | ALIGHT-SOLUTIONS-LLC - Alight | — | — | 0 |
| AS13890US | AS-INAPCDN-LAX - Unitas Global | — | — | 0 |
| AS13910US | REGISTER - Register.com, Inc | — | — | 0 |
| AS14031US | SCXY - Association for Computing Machinery, Inc. | — | — | 0 |
| AS14108US | LOGIVISION-01 - Logivision Technologies | — | — | 0 |
| AS14153US | EDGECAST - Edgecast Inc. | — | — | 0 |
| AS14370US | IQNT-BROAD-6-14370 - Inteliquent, inc. | — | — | 0 |
| AS14406US | XO-ASN3 - Verizon Business | — | — | 0 |
| AS14491US | FGLIFE-AS-NUMBER - Fidelity and Guaranty Life Business Services | — | — | 0 |
| AS14504US | PBL-77-AS1 - Perpetual Broadband llc | — | — | 0 |
| AS14710US | ASN-CXA-OM-14710-CBS - Cox Communications Inc. | — | — | 0 |
| AS14837US | OSCAR-GRUSS-AS - Oscar Gruss & Son Incorporated | — | — | 0 |