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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 | 23,924 |
| 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.
32,140 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 230 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,881 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,992 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,310 |
| DBM-ASN-KC - Database Mart LLC |
| 7.2K |
| — |
| 10 |
| AS401413US | 8TH-FIRE-NETWORK-01 - 8th Fire Communications, LLC | 7.2K | 65.5K | 13 |
| AS10445US | HTG - Huntleigh Telcom | 7.2K | — | 19 |
| AS7941US | INTERNET-ARCHIVE - Internet Archive | 7.2K | 1 | 7 |
| AS16789US | YARDI - YARDI SYSTEMS, INC | 7.2K | — | 19 |
| AS19299US | NPC-P1 - The Northern Trust Company | 7.2K | — | 9 |
| AS23387US | NONE---THIS-IS-A-NEW-ASN-REQUEST - Omsoft Technologies | 7.2K | — | 27 |
| AS36683US | WILLAMETTE-ESD - Willamette Education Service District | 7.2K | — | 3 |
| AS397016US | HAWKEYE-TELEPHONE-COMPANY - Hawkeye Telephone Company | 7.2K | — | 8 |
| AS29844US | SENAWAVE - Sena Wave LLC | 7.2K | — | 12 |
| AS398013US | NGX-NETWORKS - NGX Networks | 7.2K | 196.6K | 31 |
| AS17212US | TRI-COUNTY-FIBER-COMMUNICATIONS - Tri-County Fiber Communications, LLC | 7.2K | 65.5K | 5 |
| AS46826US | RAZZO - Razzo Link, Inc. | 7.2K | — | 3 |
| AS23550US | HUB-ADVANCED-NETWORKS-LLC - HUB Advanced Networks, LLC | 7.2K | 65.5K | 29 |
| AS13795US | SMARTWAYCOMM - Smart Way Communications, LLC | 7.2K | 4.1K | 19 |
| AS19483US | SBCASI-AKRON-OH-COVLIL - Wireless Maritime Services, LLC | 7.2K | — | 10 |
| AS19471US | CENARKTEL - Central Arkansas Telephone Cooperative, Inc. | 7.2K | — | 3 |
| AS23273US | HOSTP-LA - HostPapa | 7.2K | 65.5K | 11 |
| AS55037US | FIRST-BUSEY-CORPORATION - Busey Bank | 7.2K | 256 | 18 |
| AS32110US | ASURION-INSURANCE-CORPORATION - Asurion Insurance Services, Inc. | 7.2K | 1 | 12 |
| AS36319US | ENWHC - NorthShore University HealthSystem | 7.2K | — | 11 |
| AS30303US | OOMA - Ooma, Inc. | 7.2K | — | 19 |
| AS31998US | KDSNET - Konceptio Data Services LLC | 7.2K | — | 19 |
| AS19404US | QUEST - Quest | 7.2K | — | 19 |
| AS54538US | PAN0001 - PALO ALTO NETWORKS | 7.2K | 22 | 34 |
| AS62511US | DCI - DAVIS COMMUNICATIONS, INC. | 7.2K | — | 3 |
| AS21902US | WCTA - West Central Telephone Assn | 7.2K | — | 3 |
| AS401776US | AS-CUSTOMER - IDC Cube | 7.2K | 9.4M | 49 |
| AS19116US | WASHINGTON-BROADBAND - Washington Broadband, Inc. | 7.2K | 65.6K | 19 |
| AS396422US | 3DS-AS01 - 3ds Communications LLC | 7.2K | 4.6K | 20 |
| AS397477US | WGIX - WGIX | 7.2K | — | 21 |
| AS29941US | TCCSA - Tri-County Computer Services Association | 7.2K | — | 13 |
| AS40076US | DOVETEL - DOVETEL COMMUNICATIONS, LLC. | 7.2K | 65.5K | 7 |
| AS15069US | SBA - Smith Bucklin & Associates Inc | 7.2K | — | 7 |
| AS32264US | KMTELECOM - KMTelecom | 7.2K | — | 7 |
| AS1246US | TLL-WEST - Zito Media | 7.2K | — | 9 |
| AS397005US | CVSI-FIREFLY - Central Virginia Services, INC | 7.2K | 4.1K | 8 |
| AS16803US | MYAKKACOMM1 - Myakka Communications, Inc. | 7.2K | — | 4 |
| AS401041US | AXIS-SECURITY - Axis Security | 7.2K | — | 28 |
| AS394646US | EAGLEEYENETWORKS - Eagle Eye Networks, Inc | 7K | — | 24 |
| AS14203US | JUNIPER-NETWORKS - Juniper Networks, Inc. | 6.9K | 262 | 26 |
| AS32432US | COFAN - Colleges of the Fenway, Inc. | 6.9K | — | 27 |
| AS33522US | CPANEL-INC - cPanel, LLC. | 6.9K | 3 | 8 |
| AS203501US | EMARSYS-US-AS Emarsys North America, Inc | 6.9K | — | 23 |
| AS15211US | SQUARE - Square, Inc. | 6.9K | 65.6K | 16 |
| AS40837US | GLDFLDACCESS - Goldfield Telephone Company, LLC | 6.9K | — | 14 |
| AS53282US | SKYWAVE - Skywave Wireless, Inc. | 6.9K | 4.1K | 10 |