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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) | 227.5M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 218M | 23,695 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 643 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,300 |
| 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.
32,143 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 232 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,820 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,994 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,278 |
| DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) |
| — |
| — |
| 0 |
| AS5273US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS4988US | ALOHANET1 - Hawaiian Telcom Services Company, Inc. | — | — | 0 |
| AS4522US | COMPUCALL - CompuCall Internet Services | — | — | 0 |
| AS4551US | CL-260-4551 - CyrusOne LLC | — | — | 0 |
| AS4394US | DSI-CUST-BLK2 - Houston Associates, Inc. | — | — | 0 |
| AS401932US | ELEMONO-AS - Elemono LLC | — | 4 | 4 |
| AS7166US | C-ECOMM - C-E Communications | — | — | 0 |
| AS5754US | PIXINET1 - Pacific Information Exchange, Inc. | — | — | 0 |
| AS5701US | HEALTH-ONE - HealthOne | — | — | 0 |
| AS5689US | HOOSIERNET - HoosierNet, Inc. | — | — | 0 |
| AS5289US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS4221US | DNIC-ASBLK-04214-04221 - United States Department of Defense (DoD) | — | 2 | 2 |
| AS4990US | ATTIS-ASN4990 - AT&T Enterprises, LLC | — | — | 0 |
| AS398767US | ORONO-SCHOOLS-MN - Independent School District No 278 County of Hennepin | — | 16 | 1 |
| AS8089US | GRYPHONNETWORKS - GRYPHON NETWORKS CORP. | — | — | 0 |
| AS11689US | NN-JORSM-CHI01 - Altafiber | — | — | 0 |
| AS11424US | TEMPLE-UNIVERSITY-HEALTH-SYSTEM - Temple University Health System, Inc. | — | — | 0 |
| AS11413US | IHERB-AS-IHERB-NETWORKS - IHERB INC | — | — | 0 |
| AS10932US | UC2B - UC2B | — | — | 0 |
| AS11111US | THOMSON-REUTERS - Thomson Reuters Holdings Inc | — | — | 0 |
| AS10892US | ISSI - Infinite Software Solutions, Inc. | — | — | 0 |
| AS204969US | JOHN-BURKE John Burke | — | 3 | 3 |
| AS13346US | CENTURION-MEDICAL-PRODUCTS - Centurion Medical Products Corporation | — | — | 0 |
| AS35848US | GRIZZLINK - 20C, LLC | — | 16 | 1 |
| AS393771US | MHL-731 - DS Metis Holdings LLC | — | — | 0 |
| AS396931US | HOSTROYALE-TECHNOLOGIES-02 - HostRoyale LLC | — | 524.3K | 1 |
| AS393718US | ABILITY-ASN - Ability Network Inc. | — | — | 0 |
| AS401637US | APRILNEA - AprilNEA LLC | — | 1 | 1 |
| AS46164US | ATT-MOBILITY-LABS - AT&T Enterprises, LLC | — | — | 0 |
| AS6402US | TEXAS-AI-SYSTEMS - Texas AI Systems | — | — | 0 |
| AS6314US | CDC-AS - Chattanooga Data Connection, Inc. | — | — | 0 |
| AS6311US | OXNET-6311 - FirstLight Fiber, Inc. | — | — | 0 |
| AS6031US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS6076US | ERINET - CoreComm Internet Services Inc | — | — | 0 |
| AS5930US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS6177US | COGENT-6177 - Cogent Communications, LLC | — | — | 0 |
| AS6969US | N2K-ASN - N2K Inc. | — | — | 0 |
| AS7130US | THEMALL - Internet in a Mall, Inc | — | — | 0 |
| AS6997US | SILLS-AS - SILLS CUMMIS EPSTEIN & GROSS | — | — | 0 |
| AS6990US | ONE-O - One-O, Inc. | — | — | 0 |
| AS6603US | MTWEST208 - CottonWood CyberVentures | — | — | 0 |
| AS6637US | INFOEX - Infoexchange/Sprint | — | — | 0 |
| AS6576US | MCC-SUM - SUMMIT COMMUNICATIONS SYSTEM, INC. | — | — | 0 |
| AS401533US | TGSLLC-02 - TGS, LLC | — | 1 | 1 |
| AS5636US | LISTING - NetWork Access | — | — | 0 |
| AS5118US | PHOENIX-IX-ROUTE-SERVERS - Ninja-IX Corporation | — | — | 0 |