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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 | 21,163 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,240 |
| 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 | 373 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,656 |
| 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 | 4,379 |
| 1.1K |
| — |
| 4 |
| AS19920US | AKINBGP - Akin, Gump, Strauss, Hauer, & Feld | 1.1K | — | 5 |
| AS396437US | COMLABS - COMMUNICATIONS LABORATORIES | 1.1K | — | 5 |
| AS1412US | GRVYUS-PIT-A - Gravity Interactive, Inc. | 1.1K | 1 | 3 |
| AS54437US | CEVALOGISTICS-US - CEVA LOGISTICS U.S., INC. | 1K | — | 4 |
| AS5026US | LVVWD - Las Vegas Valley Water District | 1K | — | 4 |
| AS62663US | TELECALL - Telecall | 1K | 4.1K | 4 |
| AS27311US | AS27311 - Biogen MA Inc | 1K | — | 4 |
| AS393651US | ANOVYS01 - Anovys LLC | 1K | — | 2 |
| AS401526US | AIRPLEXUS - Airplexus, Inc. | 1K | — | 1 |
| AS21666US | OSF-ASN-01 - OSF Healthcare System | 1K | — | 4 |
| AS53276US | TUDOR - Tudor Investment Corporation | 1K | — | 4 |
| AS26769US | NC-1197-26769 - NetO Corp | 1K | — | 4 |
| AS46735US | FARR-FIN - Certigo, Inc | 1K | — | 1 |
| AS36344US | ADVAN-CAST - Virtuozzo Inc. | 1K | — | 4 |
| AS1790US | COGENT-1790 - Cogent Communications, LLC | 1K | — | 4 |
| AS19198US | DRW-HOLDINGS - DRW Holdings, LLC | 1K | — | 4 |
| AS397700US | LXXIX-PROJECT-LAB-01 - LXXIX Project Lab LLC | 1K | 4.1K | 4 |
| AS36124US | BIZVOX - BizVox Communications Inc | 1K | — | 4 |
| AS401026US | IMDC-EMEA - Iron Mountain Data Center | 1K | 257 | 6 |
| AS53627US | TELECOM1-01 - Telecom 1 LLC | 1K | 4.1K | 2 |
| AS398284US | LAT-US-01 - Lufthansa Aviation Training USA, Inc | 1K | — | 4 |
| AS23235US | BOSMED-88-ENEWTON - Boston Medical Center | 1K | — | 4 |
| AS394759US | TWIN-EAGLE-RESOURCE-MANAGEMENT-LLC - TWIN EAGLE RESOURCE MANAGEMENT, LLC | 1K | — | 3 |
| AS396965US | WILDCARD-CORP - Wildcard Corp. | 1K | 65.5K | 5 |
| AS33257US | WLC - Expert Service Providers LLC | 1K | — | 4 |
| AS21690US | MILESIT - Miles IT Company | 1K | — | 1 |
| AS8173US | STARBOARD - Starboard Networks LLC | 1K | 256 | 2 |
| AS394899US | HCDL-MINNEAPOLIS-DATA-CENTER - H5 Data Centers | 1K | 256 | 5 |
| AS13401US | STARWOOD-HOTELS - Marriott International, Inc. | 1K | — | 1 |
| AS399549US | AMS-MULTIHOME-01 - Access Management Services, LLC | 1K | — | 3 |
| AS53425US | NEMC-WAN - North Carolina Electric Membership Corp | 1K | — | 4 |
| AS62473US | ATC-INTERNET - The Adirondack Trust Company | 1K | — | 4 |
| AS19546US | RCWILLEY - R. C. Willey Home Furnishings | 1K | — | 4 |
| AS54035US | DAVEY-HOLDINGS-LLC - Davey Holdings LLC | 1K | — | 4 |
| AS394080US | TENERUM-AS - Tenerum, LLC | 1K | — | 4 |
| AS13532US | NEED-TO-KNOW-NEWS - Need To Know News, LLC | 1K | — | 1 |
| AS1236US | GDIT-AS2 - General Dynamics Information Technology, Inc. | 1K | — | 4 |
| AS395994US | VECC911 - VECC | 1K | — | 2 |
| AS395929US | VHL - Virtuwave Holdings LLC | 1K | — | 4 |
| AS394107US | MOJAVE-COMMUNICATIONS - Mojave Communications, Inc. | 1K | — | 1 |
| AS397751US | JAMESAVERY - JAMES AVERY CRAFTSMAN INC | 1K | — | 4 |
| AS393967US | LYNDEN - Lynden Incorporated | 1K | — | 3 |
| AS20061US | LIMITLESS1-ASN - Limitless Mobile, LLC | 1K | 2 | 6 |
| AS394893US | CLAIR - Clair Global | 1K | — | 4 |
| AS664US | DNIC-ASBLK-00616-00665 - United States Department of Defense (DoD) | 1K | 1 | 3 |
| AS31789US | ICON-TECHNOLOGIES - ICON Technologies Inc. | 1K | — | 4 |