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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) | 227.5M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 217.9M | 23,731 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,300 |
| 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.
32,144 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 232 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,838 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,995 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,313 |
| 10.2K |
| 65.5K |
| 4 |
| AS62955US | EBAYMTBB - eBay, Inc | 10.2K | 1 | 5 |
| AS14380US | OPUS-INTERACTIVE-HIO1 - Opus Interactive | 10.2K | 65.5K | 6 |
| AS15035US | X2NSAT-SVN - X2nSat, Inc | 10.2K | — | 29 |
| AS30612US | EAGLE-9-AS - Eagle Communications, Inc. | 10.2K | 4.4K | 19 |
| AS32413US | EXIGO-EPIC - Epic Servers, LLC | 10.2K | — | 5 |
| AS14555US | LIQUIDNETLTD1 - LiquidNet US LLC | 10.2K | 65.5K | 5 |
| AS216211US | CYBERVERSE-BACKBONE CYBERVERSE LLC | 10.2K | 280 | 23 |
| AS397451US | ZEROBOUNCE - ZeroBounce | 10.2K | 1 | 8 |
| AS14640US | QWIRELESSBB - Q-Wireless, LLC | 10.2K | — | 3 |
| AS10249US | REDZONE - RedZone Wireless, LLC | 10.2K | — | 3 |
| AS14415US | HOSTCOLLECTIVE - Host Collective, Inc. | 10.2K | — | 18 |
| AS22598US | ALENCO - ALENCO COMMUNICATIONS, INC | 10.2K | — | 40 |
| AS9193US | ConXionEU NAVISITE OPCO LLC | 10.2K | — | 19 |
| AS19631US | TRAVELPORT - Travelport Operations, Inc. | 10.2K | — | 7 |
| AS13838US | EMERSON - Emerson College | 10.2K | — | 5 |
| AS398395US | LEVELONESERVERS - PureVoltage Hosting Inc. | 10.2K | 130 | 34 |
| AS46516US | GLOBEIX - HostRoyale LLC | 10.2K | 524.3K | 10 |
| AS23117US | ICOE-NETWORK - Imperial County Office of Education | 10.2K | — | 12 |
| AS53256US | MULBERRY - Mulberry Telecommunications | 10.2K | — | 5 |
| AS23369US | SCOE - Sonoma County Office of Education | 10.2K | — | 6 |
| AS16842US | 5DL-AS - 5Nines Data, LLC | 10.2K | 65.5K | 6 |
| AS7806US | ASN7806 - Binary Net, LLC | 10.2K | 2 | 11 |
| AS6528US | SOUTH-TELEP - SOUTH ARKANSAS TELEPHONE COMPANY | 10.2K | 32.8K | 43 |
| AS21789US | 168-244 - Lowe's Companies, Inc. | 10K | — | 27 |
| AS19695US | DYFEND NETWORK - Dyfend LLC | 10K | — | 39 |
| AS16746US | RELIANTENERGY - CenterPoint Energy, Inc. | 10K | — | 22 |
| AS6373US | OPUS1 - Opus One | 10K | 1 | 9 |
| AS46238US | WTS-AS - WT Services, Inc. | 10K | — | 32 |
| AS394488US | BERGEN-COUNTY-SCHOOL-DISTRICT - Bergen County Vocational Technical School District | 10K | — | 39 |
| AS19381US | SIMPLY-BITS-LLC - Simply Bits, LLC | 10K | 65.5K | 7 |
| AS22197US | APPS - Apps Communications | 10K | — | 10 |
| AS8068US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 10K | 31 | 70 |
| AS394740US | CONSOLIDATED-ELECTRIC-COOPERATIVE - Consolidated Cooperative | 10K | 65.5K | 7 |
| AS4229US | ZEN-NET - Zenlayer Inc | 10K | 36.9K | 36 |
| AS22429US | AS-WFC-LHC-AZ-01 - WireFree Communications Inc. | 10K | — | 5 |
| AS11300US | GLOBECOMM-11300 - Globecomm Services Maryland LLC | 10K | — | 5 |
| AS22808US | RESOURCES-22808 - LION RESOURCES, INC. | 10K | — | 25 |
| AS25753US | CALPERS - California Public Employees' Retirement System | 10K | — | 20 |
| AS30070US | THE HERSHEY COMPANY - The Hershey Company | 10K | — | 26 |
| AS14566US | AISS-7-14566 - Atos IT Solutions and Services Inc | 10K | — | 31 |
| AS20058US | CCTC-LINK1 - Totelcom Communications, LLC | 10K | — | 24 |
| AS20472US | SYNN - Synergy Networks | 10K | — | 14 |
| AS395719US | EMERALD - Emerald Broadband, LLC | 10K | 65.5K | 10 |
| AS16766US | ISLAND-TECHNOLOGY-INC - Island Technology, Inc. | 10K | 35 | 74 |
| AS63089US | SST - Salina Spavinaw Telephone Company, Inc | 10K | 65.5K | 7 |
| AS31923US | THE-AUTO-CLUB-GROUP-ASN-1 - The Auto Club Group | 10K | — | 6 |