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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. | 218M | 23,961 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,299 |
| 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.
32,159 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 233 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,885 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,998 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,341 |
| 2K |
| — |
| 4 |
| AS63258US | L7GUARD - Web Hosting, Inc. | 2K | — | 5 |
| AS46186US | GILD-SCI - Gilead Sciences | 2K | — | 8 |
| AS19918US | LUCASFILM - Lucasfilm Ltd. LLC | 2K | — | 2 |
| AS6999US | UU-ITNNET - Interactive Telecom Network | 2K | — | 8 |
| AS54392US | DECATURTELCO - Decatur Telephone Company | 2K | — | 6 |
| AS397405US | LINCOLN-ELECTRIC-SYSTEM - Lincoln Electric System | 2K | — | 1 |
| AS16818US | SYNTAX-NJ-AZ - Syntax systems Ltd LLC. | 2K | — | 5 |
| AS13805US | WORLD-COMMUNICATIONS - World Communications | 2K | — | 1 |
| AS395571US | TYR-VLT-110 - Tyler Vault | 2K | — | 8 |
| AS399885US | EVANS-SUTHERLAND-ASN - Evans & Sutherland Computer Corporation | 2K | — | 8 |
| AS40148US | PRINCE-GEORGES-INTERGOVERNMENTAL-NETWORK - PRINCE GEORGES INTERGOVERNMENTAL NETWORK COMMUNITY COORDINATING COMMITTEE | 2K | — | 3 |
| AS14228US | NEW-DULCINA-AGRIDATA - New Dulcina Agridata LLC | 2K | — | 5 |
| AS14267US | PTCAS14267 - PTC INC. | 2K | — | 8 |
| AS394401US | HEARST-DC4 - Hearst Corporation | 2K | — | 5 |
| AS32696US | TVD-EDISON-777 - Tri State Voice & Data, LLC | 2K | — | 8 |
| AS26664US | BECU - BECU | 2K | — | 8 |
| AS46838US | POLB-1 - Port of Long Beach | 2K | — | 5 |
| AS36111US | BRINKS-INC-INTERNET - Brink's, Incorporated | 2K | — | 5 |
| AS43685US | peaktera-eu Peaktera Holdings Corporation | 2K | 458.8K | 5 |
| AS398822US | BOSE-CORPORATION-US - Bose Corporation | 2K | — | 1 |
| AS11724US | OCCAS - Comptroller of the Currency | 2K | 0 | 8 |
| AS394660US | NORVADO-NE - Chequamegon Communications Cooperative, Inc. | 2K | — | 2 |
| AS400251US | AS-ONEIDATEL - Oneida Telephone Exchange | 2K | — | 5 |
| AS393536US | NTTDATA-RAGINGWIRE - NTT DATA AMERICAS, INC | 1.9K | — | 10 |
| AS396977US | ABCBSNET - USAble Mutual Insurance Company | 1.8K | — | 7 |
| AS395500US | WILSONCREEK - Wilson Creek Communications, LLC | 1.8K | 12.3K | 9 |
| AS393458US | NUCLEARFALLOUT-ATL - Nuclearfallout Enterprises, Inc. | 1.8K | 4.1K | 8 |
| AS396480US | MEADOWRIDGE-NETWORKS - Meadowridge Networks, Inc. | 1.8K | 8.2K | 6 |
| AS20368US | SMART-CITY-INCC - SMART CITY NETWORKS, LIMITED PARTNERSHIP | 1.8K | — | 3 |
| AS27475US | WAYFAIR-ASN - Wayfair LLC | 1.8K | — | 4 |
| AS399856US | PRATTINSTITUTE-1 - Pratt Institute | 1.8K | — | 3 |
| AS11892US | PEARSON-NA - NCS Pearson Inc. | 1.8K | — | 4 |
| AS32337US | NOWCOM-BGP - Nowcom Corporation | 1.8K | — | 6 |
| AS19749US | GNC-LIVE-WELL - GNC | 1.8K | — | 7 |
| AS27549US | CAW-ASN-01 - Cloud at Work | 1.8K | — | 6 |
| AS398945US | UPWARD-BROADBAND-2 - Upward Broadband LLC | 1.8K | — | 6 |
| AS46744US | CCHNL - City and County of Honolulu | 1.8K | — | 7 |
| AS402306US | AS-DATAFORGE - DataForge Technologies LLC | 1.8K | — | 4 |
| AS202521US | NEXCESS-AMS01 Liquid Web B.V. | 1.8K | 256 | 5 |
| AS40292US | CINTAS - Cintas Corporation | 1.8K | — | 6 |
| AS394881US | EK-HOSTING - EK HOSTING INC | 1.8K | — | 4 |
| AS3743US | ARCEL-2 - Cleveland Cliffs Steel LLC | 1.8K | — | 7 |
| AS32861US | MACQUARIE-GLOBAL-SERVICES-USA-LLC - Macquarie Global Services (USA) LLC | 1.8K | — | 6 |
| AS394205US | 5THCOLUMN - 5THCOLUMN LLC | 1.8K | — | 4 |
| AS40810US | EY-AS-SG - Ernst & Young LLP | 1.8K | — | 5 |
| AS14976US | SMART-CITY-DNCC - SMART CITY NETWORKS, LIMITED PARTNERSHIP | 1.8K | 16 | 4 |