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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 | 227.4M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 217.9M | 25,023 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 641 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,322 |
| 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.
32,214 autonomous systems registered to United States. Click an AS for detail.
| 72.9M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.6M | 3,906 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.9M | 2,007 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.7M | 4,282 |
| 7.2K |
| 256 |
| 18 |
| AS40076US | DOVETEL - DOVETEL COMMUNICATIONS, LLC. | 7.2K | 65.5K | 7 |
| AS15195US | AGNETWORX - Alhambra-Grantfork Telephone Company | 7.2K | — | 3 |
| AS32508US | GSINET - Granite State Communications | 7.2K | — | 27 |
| AS32264US | KMTELECOM - KMTelecom | 7.2K | — | 7 |
| AS395040US | GHMO-52 - Green Hills Telephone Corporation | 7.2K | — | 12 |
| AS53956US | NEFCOM COMMUNICATIONS - Northeast Florida Long Distance Co., Inc. | 7.2K | — | 14 |
| AS36319US | ENWHC - NorthShore University HealthSystem | 7.2K | — | 11 |
| AS19116US | WASHINGTON-BROADBAND - Washington Broadband, Inc. | 7.2K | 65.6K | 19 |
| AS30614US | DELL-BLK - Dell, Inc. | 7.2K | 17 | 21 |
| AS16803US | MYAKKACOMM1 - Myakka Communications, Inc. | 7.2K | — | 4 |
| AS36069US | CHANUTE - City of Chanute, Kansas | 7.2K | 65.5K | 18 |
| AS397005US | CVSI-FIREFLY - Central Virginia Services, INC | 7.2K | 4.1K | 8 |
| AS398765US | TEPACONNECT - TEPA Connect LLC | 7.2K | 65.5K | 28 |
| AS17190US | ASN17190 - Washington Metropolitan Area Transit Authority | 7.2K | — | 6 |
| AS40091US | WVVANET - WVVA.net Inc. | 7.2K | 4.4K | 29 |
| AS627US | DNIC-ASBLK-00616-00665 - United States Department of Defense DoD | 7.2K | — | 6 |
| AS1246US | TLL-WEST - Zito Media | 7.2K | — | 9 |
| AS33422US | NETC - New England Telehealth Consortium | 7.2K | — | 13 |
| AS46826US | RAZZO - Razzo Link, Inc. | 7.2K | — | 3 |
| AS23550US | HUB-ADVANCED-NETWORKS-LLC - HUB Advanced Networks, LLC | 7.2K | 65.5K | 29 |
| AS19483US | SBCASI-AKRON-OH-COVLIL - Wireless Maritime Services, LLC | 7.2K | — | 10 |
| AS27569US | GVII - Grand Valley Internet | 7.2K | — | 10 |
| AS396226US | ITXBB - In the Stix Broadband LLC | 7.2K | — | 18 |
| AS17119US | KAMPUNG - Kampung Communications | 7.2K | — | 15 |
| AS396238US | FAIRLAWNGIG-NET - FairlawnGig.net | 7.2K | 65.5K | 15 |
| AS32110US | ASURION-INSURANCE-CORPORATION - Asurion Insurance Services, Inc. | 7.2K | 1 | 12 |
| AS19471US | CENARKTEL - Central Arkansas Telephone Cooperative, Inc. | 7.2K | — | 3 |
| AS62511US | DCI - DAVIS COMMUNICATIONS, INC. | 7.2K | — | 3 |
| AS393406US | DIGITALOCEAN-AS393406 - DigitalOcean, LLC | 7.2K | — | 28 |
| AS396422US | 3DS-AS01 - 3ds Communications LLC | 7.2K | 4.6K | 20 |
| AS40229US | MAINEHEALTH-MAINE-MEDICAL-CENTER - MaineHealth Maine Medical Center | 7.2K | — | 13 |
| AS29844US | SENAWAVE - Sena Wave LLC | 7.2K | — | 12 |
| AS398013US | NGX-NETWORKS - NGX Networks | 7.2K | 196.6K | 31 |
| AS30286US | THM - ThreatMetrix Inc. | 7.2K | 5 | 30 |
| AS394646US | EAGLEEYENETWORKS - Eagle Eye Networks, Inc | 7.3K | — | 25 |
| AS19627US | SOCANTEL-001 - South Canaan Telephone Company of PA | 7.4K | — | 15 |
| AS395180US | TRAVELERSPCAS3 - Travelers Property Casualty Corp. | 7.4K | — | 5 |
| AS33623US | ALHNVL-HAYNEVILLE-TELEPHONE - Hayneville Telephone Company | 7.4K | — | 13 |
| AS394625US | WHITELABELIT - WhiteLabel IT Solutions Corp | 7.4K | 65.5K | 20 |
| AS21767US | WASHINGTON-COLLEGE - Washington College | 7.4K | — | 15 |
| AS63107US | ECIN - Bijou Telephone Co-op Association, Inc. | 7.4K | — | 10 |
| AS46294US | SCATUI - SCATUI | 7.4K | — | 17 |
| AS8137US | DISNEYONLINE-AS - Disney Worldwide Services, Inc. | 7.4K | — | 7 |
| AS11017US | CPN - CSN Support Services | 7.4K | 35 | 8 |
| AS46672US | COLOGIX-FL - Cologix, Inc | 7.4K | — | 6 |
| AS26898US | CONNECT-ASN - Connect | 7.4K | — | 4 |