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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 | 21,133 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 638 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,235 |
| 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 | 368 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 48.8M | 3,614 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,941 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,429 |
| 2.3K |
| — |
| 9 |
| AS25798US | NTS-HUNTSVILLE-01 - Vexus Fiber | 2.3K | — | 5 |
| AS40351US | AS-PLDPC - Pennsylvania Legislative Data Processing Center | 2.3K | — | 9 |
| AS46576US | LOEWS-HOTELS-ORLANDO - Loews Hotels at Universal Orlando | 2.3K | — | 9 |
| AS397092US | BAYS-ET-HIGHSPEED - Bays ET highspeed LLC | 2.3K | — | 4 |
| AS2941US | ONEPA-DUFVA - OnePartner, LLC | 2.3K | — | 3 |
| AS23038US | BRDBND-USER-GRP - City of Hillsboro | 2.3K | — | 2 |
| AS20314US | ISP-ROUTER - Conagra Brands Inc. | 2.3K | — | 7 |
| AS23172US | PENTAGONFEDERALCU - Pentagon Federal Credit Union | 2.3K | — | 8 |
| AS22326US | DRHORTON - D.R.Horton, Inc | 2.3K | — | 7 |
| AS399519US | WILDSTAR-NETWORKS-01 - WildStar Networks | 2.3K | — | 4 |
| AS47020US | DATA-CAVE - Data Cave | 2.3K | 65.5K | 4 |
| AS19453US | TWRS-RI - Towerstream I, Inc. | 2.3K | — | 2 |
| AS393689US | NLM-NCCS - National Library of Medicine | 2.3K | 1 | 5 |
| AS32461US | ARSPL - ARE-East River Science Park, LLC | 2.3K | — | 9 |
| AS26718US | WOLVERINE-TRADING-TECHNOLOGIES-LLC - WOLVERINE TRADING TECHNOLOGIES, LLC | 2.3K | — | 9 |
| AS400424US | OXIO-1 - OXIO | 2.3K | 17 | 8 |
| AS21874US | MMC - MMC | 2.3K | — | 2 |
| AS399790US | CHOPTANK-FIBER-LLC - Choptank Fiber, LLC. | 2.3K | 4.1K | 7 |
| AS36748US | STEDWARDS-ASN1 - St. Edwards University | 2.3K | — | 6 |
| AS54847US | CUSTER-TELEPHONE - Custer Telephone Cooperative, Inc. | 2.3K | 65.5K | 10 |
| AS10819US | ICC - IFWORLD Inc. | 2.3K | — | 2 |
| AS19602US | AS19602 - Cantor Fitzgerald & Co. | 2.3K | — | 9 |
| AS26664US | BECU - BECU | 2.3K | — | 9 |
| AS401350US | CONEXON-CONNECT-2 - Conexon Connect | 2.3K | 65.5K | 5 |
| AS36215US | TYSON-SHARED-SERVICES - Tyson Shared Services, Inc. | 2.3K | — | 5 |
| AS395029US | STN-001 - STN Incorporated | 2.3K | — | 8 |
| AS20096US | AMS-MIP-CA - HEWLETT PACKARD ENTERPRISE COMPANY | 2.3K | — | 3 |
| AS395848US | KING-NETWORKS - King Networks LLC | 2.3K | — | 9 |
| AS55011US | EFOLDER - eFolder, Inc | 2.3K | — | 9 |
| AS32595US | LIBERALLY-INTERNATIONAL - Liberally Network, LLC | 2.3K | 262 | 11 |
| AS32619US | SCHNUCKS - Schnuck Markets, Inc. | 2.3K | — | 9 |
| AS22237US | TSDC-AS - Technology Solutions of SC Inc. | 2.3K | — | 9 |
| AS33741US | DENNIS-GROUP - Dennis Group | 2.3K | 277 | 10 |
| AS18569US | COMSPECO-NET-1 - COMMUNICATION SPECIALISTS | 2.3K | — | 6 |
| AS1929US | UMASSNET-NET - University of Massachusetts - AMHERST | 2.3K | 16 | 6 |
| AS14746US | NOCTEL - NocTel Communications, Inc. | 2.3K | 2 | 11 |
| AS40943US | RURALBROADBAND - Rural Broadband, L.L.C. | 2.3K | 65.5K | 4 |
| AS71US | HPINC-AMERICAS - HP Inc. | 2.3K | 2 | 11 |
| AS20260US | SAWTEL-UC - Sawtel, Inc | 2.3K | — | 6 |
| AS394859US | VBCS - Valparaiso Broadband Communication Systems | 2.3K | 65.5K | 10 |
| AS393359US | SSFCU-AS-2 - Security Service Federal Credit Union | 2.3K | — | 5 |
| AS30076US | TEGRIA-ASN - Tegria Services Group - US, Inc. | 2.3K | — | 5 |
| AS62624US | NUCLEUS - Nucleus | 2.3K | — | 3 |
| AS26286US | MYSTICDEVIO - MysticDev LLC | 2.3K | 2.3K | 12 |
| AS485US | AFCONC-BLOCK1-AS - Air Force Systems Networking | 2.3K | — | 5 |
| AS197769US | VPSDEDICATED-AS VPS Dedicated LLC | 2.3K | — | 6 |