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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 | 3,136 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 210.5M | 20,721 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 638 |
| AS721US | DNIC-ASBLK-00721-00726 - United States Department of Defense (DoD) | 73.1M | 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC |
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.
| 68.3M |
| 366 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 66.4M | 1,106 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 47.9M | 3,574 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,926 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.2M | 4,508 |
| — |
| — |
| 0 |
| AS393835US | CCS-COLO - Customer Contact Services | — | — | 0 |
| AS396593US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS55116US | DOMINIK-DOBROWOLSKI - dominet LLC | — | 2 | 2 |
| AS395541US | OMH - Taylor Corporation | — | — | 0 |
| AS396058US | INFRAPOINT - dcBLOX, Inc. | — | — | 0 |
| AS393728US | WSMEDIA - World Streamedia Inc. | — | — | 0 |
| AS401898US | BLUE-STASIS - Blue Stasis Technology LLC | — | 1 | 1 |
| AS395294US | RED-VENTURES - Red Ventures, LLC | — | — | 0 |
| AS13696US | GLOBAL-X-NETWORK - NetFuture Technology LLC | — | 22 | 7 |
| AS394585US | MITE-AS - MITE Corporation | — | — | 0 |
| AS395661US | USENET-SOLUTIONS - Usenet Solutions LLC | — | 3 | 3 |
| AS393955US | WIRELESS-PARTNERS-LLC - Wireless Partners LLC | — | — | 0 |
| AS11150US | LIGHTBOARD CORP - Lightboard Realty | — | — | 0 |
| AS10900US | EDUC-NET-PROV - Educational Network Provider | — | — | 0 |
| AS10892US | ISSI - Infinite Software Solutions, Inc. | — | — | 0 |
| AS10669US | JOBTRAK-AS - Jobtrak Corp. | — | — | 0 |
| AS10743US | GLOBALFEED - NTT Multimedia Communication Laboratories | — | — | 0 |
| AS10648US | PACIFICBROK - Pacific Brokerage Services | — | — | 0 |
| AS50236US | Vertexlink_Communications VertexLink Inc. | — | 256 | 1 |
| AS12108US | PROFITDEV - PROFIT DEVELOPERS INC | — | — | 0 |
| AS13346US | CENTURION-MEDICAL-PRODUCTS - Centurion Medical Products Corporation | — | — | 0 |
| AS3907US | CONNECT-1-NET - Connected INC | — | — | 0 |
| AS5679US | PBI-NET-BLK - AT&T Enterprises, LLC | — | — | 0 |
| AS6156US | SPRINTLINK-NYSERNET7 - SPRINT, Business Serices Group | — | — | 0 |
| AS6137US | SISNA - SISNA, Inc. | — | — | 0 |
| AS4102US | DNIC-ASBLK-04065-04125 - Headquarters, USAISC | — | — | 0 |
| AS399975US | NSWAT - NetSWAT LLC | — | 524.3K | 8 |
| AS4288US | CENTURYLINK-TSDS-NCJCVL - CenturyLink Communications, LLC | — | — | 0 |
| AS13362US | GENERAL-RESEARCH - General Research Laboratories, LLC | — | 256 | 256 |
| AS394847US | AFS-4 - AMERIPRISE FINANCIAL SERVICES, LLC | — | — | 0 |
| AS4104US | DNIC-ASBLK-04065-04125 - Headquarters, USAISC | — | — | 0 |
| AS4032US | ASN-4020-1 - Air Force Systems Networking | — | — | 0 |
| AS4031US | ASN-4020-1 - Air Force Systems Networking | — | — | 0 |
| AS5657US | NOVAIAC-ASN - FC Business Systems | — | — | 0 |
| AS394536US | CLOUDFLARENET-SFO - Cloudflare, Inc. | — | 1 | 1 |
| AS5373US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS401671US | ACCESSPARKS-POPS - ACCESSPARKS LLC | — | 60 | 30 |
| AS4873US | EATON-CORPORATION-2 - Eaton Corporation | — | — | 0 |
| AS5150US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS4950US | ASN-SPRN-NYSERNET1 - SPRINT, Business Serices Group | — | — | 0 |
| AS4942US | B-NET - B-Net Technologies | — | — | 0 |
| AS4360US | AGNES-SCOTT - Agnes Scott College | — | — | 0 |
| AS4487US | EMTF-UPW - Air Force Systems Networking | — | — | 0 |
| AS395004US | MOTIVACTION-ASN - MotivAction, LLC | — | — | 0 |
| AS215313US | LINEAR-NETWORK Emily Ingalls | — | 17 | 2 |
| AS396487US | DOUGH-INC-NY5 - dough, Inc. | — | — | 0 |