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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 | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 219M | 23,666 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 645 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,361 |
| 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.
32,363 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 234 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 439 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.8M | 3,911 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 45M | 2,046 |
| AS701US | UUNET - Verizon Business | 43.6M | 996 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.8M | 4,491 |
| — |
| — |
| 0 |
| AS4353US | WNET-AS - WorldNet Inc. | — | — | 0 |
| AS62818US | SST-59 - Pinpoint Communications, Inc. | — | — | 0 |
| AS5283US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS5295US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS5149US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS5142US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS10940US | FONALITY - Sangoma US Inc. | — | — | 0 |
| AS4278US | RISE-IA-1 - JAB Wireless, INC. | — | — | 0 |
| AS10622US | NIEHS - National Institute of Environmental Health Sciences (NIEHS) | — | — | 0 |
| AS10614US | ZHONKA-AS - Zhonka Broadband, LLC | — | — | 0 |
| AS395808US | JET-COMMUNICATIONS - Jet Communications, LLC | — | — | 0 |
| AS395373US | PV-ISP - PureVoltage Hosting Inc. | — | — | 0 |
| AS395307US | MN-BBTV - Minerva Networks, Inc. | — | — | 0 |
| AS395171US | OWS-COMPUTING-SERVICES - OCTOPUS WEB SOLUTION INC | — | — | 0 |
| AS395204US | AS-TEAMSOFTWARE - TEAM Software, Inc. | — | — | 0 |
| AS395002US | DXC-UNITED-AIRLINES - DXC US Latin America Corporation | — | — | 0 |
| AS394944US | CCCIS - CCC Intelligent Solutions Inc. | — | — | 0 |
| AS396401US | CENTRE-WISP - Centre WISP Venture Company | — | — | 0 |
| AS53982US | GILTGROUPE-AS - Hudson's Bay Company | — | — | 0 |
| AS55258US | COLOGIX-DAL - Cologix, Inc | — | — | 0 |
| AS395756US | MARQUETTECO - Marquette Companies LLC | — | — | 0 |
| AS396225US | BANNING - Banning Engineering PC | — | — | 0 |
| AS395529US | RUDOLPHTECH - Rudolph Technologies, Inc. | — | — | 0 |
| AS393261US | RN-ASN-BIL - Right Networks, LLC | — | — | 0 |
| AS393252US | MCCARTHY-HOLDINGS-INC - McCarthy Holdings Inc. | — | — | 0 |
| AS218699US | NLSYS-NET NexusLayer Systems LLC | — | — | 0 |
| AS393603US | ABOR - Austin Board of Realtors | — | — | 0 |
| AS394849US | MSUBILLINGS - Montana State University - Billings | — | — | 0 |
| AS54387US | RWS - Retailer Web Services LLC | — | — | 0 |
| AS62753US | SCA-SD - Sony Pictures Technologies Inc. | — | — | 0 |
| AS62869US | BUFFALO-SM - Buffalo Studios | — | — | 0 |
| AS206719US | Slipstream IT Answers LLC | — | — | 0 |
| AS205880US | AS-Hytron Hytron Network Services (US) LLC | — | — | 0 |
| AS132802US | EAAPPL-AS-AP - Electronic Arts Inc. | — | — | 0 |
| AS200243US | PRIVOXY-AS PRIVOXY SOLUTIONS, LLC | — | — | 0 |
| AS63367US | KELINCOM-2 - Kellin Communications | — | — | 0 |
| AS63292US | CIX - DC74 LLC | — | — | 0 |
| AS398708US | OFFICERING - OFFICERING LLC | — | — | 0 |
| AS62485US | SERVERKING - ServerKing.io, LLC | — | — | 0 |
| AS53644US | OFI-DC - Invesco Group Services, Inc. | — | — | 0 |
| AS53580US | MARKETO - MARKETO, Inc. | — | — | 0 |
| AS47026US | DIANOIA - Dianoia LLC | — | — | 0 |
| AS53404US | CIVISTECHNOLOGIES-LLC - Civis Technologies, LLC | — | — | 0 |
| AS55041US | SNAP-INTERACTIVE - 20-3191847 | — | — | 0 |
| AS55031US | DATADOG - Datadog, Inc. | — | — | 0 |
| AS54709US | ACA-961 - AMERICAN CREDIT ACCEPTANCE | — | — | 0 |