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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 | 3,139 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,173 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,242 |
| 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 | 383 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,668 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,949 |
| AS701US | UUNET - Verizon Business | 43.6M | 998 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,365 |
| 512 |
| — |
| 2 |
| AS19691US | 888-US - 888 US Inc. | 512 | — | 2 |
| AS393584US | NANTCLOUDSERVICESLLC - NantCloud Services LLC | 512 | — | 2 |
| AS1642US | COLORCON - Colorcon Inc | 512 | — | 2 |
| AS16898US | LOG-NET - LOG-NET, INC. | 512 | — | 2 |
| AS32460US | COPS-MONITORING - C.O.P.S. Monitoring | 512 | — | 2 |
| AS26824US | VLUZNET-US - VLUZNET | 512 | — | 1 |
| AS53736US | NUTANIX-IT - Nutanix | 512 | 33 | 5 |
| AS395990US | IN-ASN01 - InitiumNovum, LLC | 512 | — | 2 |
| AS20003US | MEMBERS1STFCU - Members 1st Federal Credit Union | 512 | — | 2 |
| AS36298US | INFOCISION - InfoCision Management Corporation | 512 | — | 2 |
| AS395061US | SUNMARK - Sunmark Credit Union | 512 | — | 2 |
| AS63326US | CSQUARED - C Squared Systems, LLC | 512 | 16 | 2 |
| AS46364US | LAKEVIEW-LOAN-SERVICING - Lakeview Loan Servicing, LLC | 512 | — | 2 |
| AS55284US | USAC-1 - Universal Service Administrative Company | 512 | — | 2 |
| AS395320US | LAKE-CHARLES-MEMORIAL-HOSPITAL - Lake Charles Memorial Hospital | 512 | — | 2 |
| AS396368US | TL-861 - TetherView LLC | 512 | — | 2 |
| AS393400US | LUXOTTICA-NA2 - Luxottica of America Inc. | 512 | — | 1 |
| AS62733US | SOLANOCOUNTY - Solano County | 512 | — | 2 |
| AS399533US | TATRA - Tatra Services Inc. | 512 | 4.4K | 4 |
| AS46108US | VFLMIA2 - NTT Global Networks Incorporated | 512 | — | 2 |
| AS400998US | AWN-SERVER-HOSTING - AWN Server Hosting, LLC | 512 | — | 2 |
| AS401921US | GRACE - Grace Money Co. | 512 | 2 | 4 |
| AS397297US | AHL-DFW1-01 - AVENU HOLDINGS, LLC | 512 | — | 2 |
| AS26705US | WBNET-01 - Whatabrands LLC | 512 | — | 2 |
| AS54391US | CRUTCHFIELD - Crutchfield New Media LLC | 512 | 2 | 4 |
| AS394823US | TFFI - Taylor Fresh Foods, Inc. | 512 | — | 2 |
| AS23463US | LONEPINECAPITAL - Lone Pine Capital LLC | 512 | — | 2 |
| AS215129US | WPL-133-215129 - Wodarek Productions LLC | 512 | 4.1K | 4 |
| AS399676US | KANIKSU-01 - Kaniksu, LLC | 512 | — | 2 |
| AS36265US | MCL-INT-ALL - Maverick Capital, LTD. | 512 | — | 2 |
| AS30489US | MKPCAP - MKP Capital Management, LLC | 512 | — | 2 |
| AS26714US | NORTHEAST-TEXAS-COMMUNITY-COLLEGE - Northeast Texas Community College | 512 | — | 2 |
| AS398306US | CR-NETWORK-LLC - CR Network LLC | 512 | — | 1 |
| AS46105US | ALPAON-NA-AS - Alpaon America LLC | 512 | — | 2 |
| AS46519US | LMI - Lantheus Medical Imaging, Inc. | 512 | — | 2 |
| AS4563US | BTMU-AMERICA - MUFG Bank Ltd. | 512 | — | 2 |
| AS14707US | ABSHOU-ASN - American Bureau of Shipping | 512 | — | 2 |
| AS22266US | KNIGHT-INC - KNIGHT TRANSPORTATION | 512 | — | 2 |
| AS40785US | AS-OMNIVA-NJDC - Omniva LLC | 512 | 1 | 3 |
| AS33690US | AUREON-33690 - Aureon Network Services | 512 | 256 | 3 |
| AS13903US | UNITEDLAYER-2 - Unitedlayer, Inc. | 512 | — | 2 |
| AS20143US | SUNET-1 - Suffolk University | 512 | — | 2 |
| AS397419US | OREGON-STATE-LOTTERY - Oregon State Lottery | 512 | — | 2 |
| AS14448US | 14448 - High Point University | 512 | — | 2 |
| AS396067US | CURRENT-NETWORKS-01 - Current Networks | 512 | 256 | 2 |
| AS26970US | DV-TRADING-LLC - DV TRADING, LLC | 512 | — | 2 |