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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. | 218.2M | 25,766 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 642 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,308 |
| 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.
32,243 autonomous systems registered to United States. Click an AS for detail.
| 73M |
| 232 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.6M | 3,898 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,998 |
| AS701US | UUNET - Verizon Business | 43.6M | 992 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,359 |
| — |
| — |
| 0 |
| AS63257US | NTHRIVE-ASN02 - Finthrive, Inc. | — | — | 0 |
| AS63332US | PRIMELENDING-EXT - PrimeLending, A PlainsCapital Company | — | — | 0 |
| AS63338US | HOST-SCIENCE - Cloud Science, Inc. | — | — | 0 |
| AS63423US | ASSISTWIRELESS - Assist Wireless, LLC | — | — | 0 |
| AS63456US | ACI - ACI | — | — | 0 |
| AS64205US | AK-WIRELESS-NETWORKS - The Alaska Wireless Network, LLC | — | — | 0 |
| AS64235US | ZIMAGE-01 - zImage LLC | — | — | 0 |
| AS64295US | LMU-AS - Lincoln Memorial University | — | — | 0 |
| AS134391US | BOMBORATECH-AS-ANYCAST10 - BOMBORA TECHNOLOGIES Anycast system | — | — | 0 |
| AS134399US | BOMBORATECH-AS-ANYCAST18 - BOMBORA TECHNOLOGIES Anycast system | — | — | 0 |
| AS135340US | DIGITALOCEAN-AS-IN - Digital Ocean, Inc. | — | — | 0 |
| AS135514US | UTCNET-AP-HK - United Technologies Corporation | — | — | 0 |
| AS197443US | NET-6545 6545 HOLDINGS LLC | — | — | 0 |
| AS198526US | GREAT-SCOTT-CONSULTING ERIN ALLEN SCOTT trading as Great Scott Consulting Services | — | — | 0 |
| AS198802US | MAYBE Jessica Meinecke | — | — | 0 |
| AS200913US | ALLAY-STUDIOS-MNT Allay Studios LLC | — | — | 0 |
| AS202239US | DOSLAB-TELECOM DosLab Electronics, LLC | — | — | 0 |
| AS204012US | JEAO Justin O'Reilly | — | — | 0 |
| AS205245US | Beidou-Dubhe-LLC Beidou-Dubhe LLC | — | — | 0 |
| AS206023US | TUNSLAB TUNSLAB LLC | — | — | 0 |
| AS206368US | AL-3080-206368 - applebee | — | — | 0 |
| AS207600US | aSocket_LLC Atlas Industries, Inc. | — | — | 0 |
| AS208285US | HOSTALIKA Hostalika LLC | — | — | 0 |
| AS210247US | VERABIT VERABIT LABS LTD | — | — | 0 |
| AS210761US | PuduTest Pudu, LLC | — | — | 0 |
| AS210953US | SMARTHOST SMARTHOST, LLC | — | — | 0 |
| AS211577US | ZERSNETLLC ZERSNET LLC | — | — | 0 |
| AS393306US | SF631-OPTIMIZELY - Optimizely, Inc | — | — | 0 |
| AS393443US | GENESIS-NETWORKS-INTEGRATION-SERVICES - Genesis Networks | — | — | 0 |
| AS393544US | CISCO-IOT-CANADA - Cisco IoT | — | — | 0 |
| AS393594US | KPGO - United States Naval Observatory | — | — | 0 |
| AS393623US | WINSTOR-02 - WinStor, INc. | — | — | 0 |
| AS393645US | CENTURYLINK-TSDS-TNJCTY - CenturyLink Communications, LLC | — | — | 0 |
| AS393655US | LC-SJC-393655 - LendingClub Corporation | — | — | 0 |
| AS393711US | CTOF - Intuit Inc. | — | — | 0 |
| AS393730US | HARVEYBP - Harvey Building Products | — | — | 0 |
| AS393908US | INTEGRACORE - VISIBLE SUPPLY CHAIN MANAGEMENT, LLC | — | — | 0 |
| AS393980US | BRONX-ASN - Monroe College, LTD. | — | — | 0 |
| AS394075US | CCM-NET3 - Collectivei | — | — | 0 |
| AS394180US | DIGITALSYSTEM - Digitalsystem Technology Inc. | — | — | 0 |
| AS394228US | FANDOR - Fandor | — | — | 0 |
| AS394268US | SIHC - Sonesta International Hotels Corporation | — | — | 0 |
| AS394281US | XHOSTSERVER - Xhostserver, LLC | — | — | 0 |
| AS394406US | DVD-IPV4-207 - Netflix, Inc | — | — | 0 |
| AS394591US | UKG-99 - ULTIMATE SOFTWARE GROUP | — | — | 0 |
| AS394605US | IPBAND - IP-Band Telecommunications LLC | — | — | 0 |