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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. | 211.1M | 21,094 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 638 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,247 |
| 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 | 398 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,709 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,959 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,423 |
| — |
| — |
| 0 |
| AS56901US | ServerKing ServerKing.io, LLC | — | — | 0 |
| AS59814US | GCXC-EU-AS GCX US llc | — | — | 0 |
| AS62518US | STISD-ASN - South Texas ISD | — | — | 0 |
| AS62543US | GLENDONCAP - Glendon Capital Management LP | — | — | 0 |
| AS62623US | COFRACTAL-002 - Cofractal, Inc. | — | — | 0 |
| AS62689US | MAGNA5-FSIT - Magna5 MS LLC | — | — | 0 |
| AS62699US | WTGC-ODESSA-01 - Musketball Group, LLC | — | — | 0 |
| AS62790US | ASBDCH - Marshfield Clinic Inc. | — | — | 0 |
| AS63021US | PRINCETONNJ - Princeton | — | — | 0 |
| AS63028US | NWAX - NWAX | — | — | 0 |
| AS63054US | ONDECK-COLO-P5 - Enova International, Inc. | — | — | 0 |
| AS63079US | NRA-AS - National Restaurant Association | — | — | 0 |
| AS63125US | AS63125 - Cablevision Lightpath LLC | — | — | 0 |
| AS63132US | PPCPMSO - Palmetto Primary Care Physicians, LLC | — | — | 0 |
| AS63176US | ACQUISIO - ACQUISIO WEB.COM, ULC | — | — | 0 |
| AS63257US | NTHRIVE-ASN02 - Finthrive, Inc. | — | — | 0 |
| AS63309US | SBA COMMUNICATIONS MIAMI DC - SBA Communications Corporation | — | — | 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 |
| 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 |
| AS210836US | ASTROPHAGE Edward Behling | — | — | 0 |
| AS210953US | SMARTHOST SMARTHOST, LLC | — | — | 0 |
| AS393306US | SF631-OPTIMIZELY - Optimizely, Inc | — | — | 0 |
| AS393443US | GENESIS-NETWORKS-INTEGRATION-SERVICES - Genesis Networks | — | — | 0 |
| AS393544US | CISCO-IOT-CANADA - Cisco IoT | — | — | 0 |
| AS393623US | WINSTOR-02 - WinStor, INc. | — | — | 0 |
| AS393645US | CENTURYLINK-TSDS-TNJCTY - CenturyLink Communications, LLC | — | — | 0 |