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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 |
| 8.2K |
| — |
| 17 |
| AS12024US | ASN-ACN - Advanced Corporate Network | 8.2K | — | 1 |
| AS30698US | BOSCH - Robert Bosch LLC | 8.2K | 65.8K | 34 |
| AS11238US | NWOL-AS - NetWest Online, Inc. | 8.2K | 65.5K | 5 |
| AS400718US | FWCS-ASN-01 - Fort Wayne Community Schools | 8.2K | — | 1 |
| AS13742US | CENCOM-NEBR - CENCOM INC | 8.2K | — | 2 |
| AS7350US | METCOMM - MetComm.Net, LLC | 8.2K | — | 1 |
| AS63400US | LUBBOCKISD-ASN - Lubbock Independent School District | 8.2K | — | 3 |
| AS13706US | COMPLETEWEBNET - CompleteWeb.Net LLC | 8.2K | 69.6K | 31 |
| AS19872US | CUSTOM-76 - Point Broadband Fiber Holding, LLC | 8.2K | 65.5K | 2 |
| AS16478US | COLONIALNET-IU20 - Colonial IU 20 | 8.2K | 304 | 21 |
| AS19170US | MISN - Meramec Interactive Services Network | 8.2K | 65.5K | 3 |
| AS12191US | LEBAN-AS - City of Lebanon - Lebanon Utilities | 8.2K | — | 3 |
| AS27202US | CBK-AS - City of Bardstown, Kentucky | 8.2K | — | 8 |
| AS399641US | WT-DC2 - Wolverine Trading, LLC | 8.2K | — | 33 |
| AS30154US | DAVEN - Davenport University | 8.4K | 1 | 3 |
| AS11623US | CTCN - CT Communications Network | 8.4K | 65.5K | 4 |
| AS25831US | PREFIX NETWORK - Prefix Network LLC | 8.4K | — | 6 |
| AS1054US | ZONT-LLC - Zont LLC | 8.4K | 6 | 32 |
| AS47869US | CL-1763-47869 - ColoHouse LLC | 8.4K | 1K | 16 |
| AS16477US | NCL-203-16477 - Nielsen Consumer LLC | 8.4K | — | 21 |
| AS11430US | BESTNAP - Austin Bestline | 8.4K | 65.5K | 4 |
| AS27555US | BV-PUBLIC-ASN - Black & Veatch International Company | 8.4K | — | 16 |
| AS395563US | EDISON-CARRIER-SOLUTIONS - Southern California Edison | 8.4K | — | 2 |
| AS19138US | SWEET-BRIAR-COLLEGE - Sweet Briar College | 8.4K | — | 2 |
| AS47095US | MURRAY-ELECTRIC-SYSTEM - Murray Electric System | 8.4K | — | 15 |
| AS21577US | TOLEDOTELNET - TOLEDO TELEPHONE CO INC | 8.4K | 65.5K | 5 |
| AS13392US | R18ESC - Region 18 Education Service Center | 8.4K | — | 2 |
| AS33691US | HOU1-ENT-DC-VA1 - NEW CCH, LLC | 8.4K | 257 | 6 |
| AS18838US | DCSSGA - DeKalb County School District | 8.4K | — | 3 |
| AS46160US | SKYTAP-TUK - Kyndryl | 8.4K | — | 17 |
| AS394473US | BTC-ONLINE - Brantley Telephone Company, Inc. | 8.4K | — | 7 |
| AS40149US | UBNET1-AS - University of Bridgeport | 8.4K | — | 2 |
| AS11708US | LINKCITY - City of North Kansas City, MO | 8.4K | 65.5K | 4 |
| AS47066US | PRGMR - prgmr.com, Inc. | 8.4K | 65.5K | 20 |
| AS397305US | FMCTC - FMCTC | 8.4K | — | 25 |
| AS54393US | FLC-DURANGO - Fort Lewis College | 8.4K | — | 18 |
| AS40248US | CSL0-AS - County of San Luis Obispo | 8.4K | — | 2 |
| AS18460US | FHSU - Fort Hays State University | 8.4K | 64 | 3 |
| AS186US | CUA-AS - The Catholic University of America | 8.4K | — | 2 |
| AS26633US | TEXAS-WOMANS-UNIVERSITY - Texas Womans University | 8.4K | — | 14 |
| AS31766US | UPS-12-ASN - University of Puget Sound | 8.4K | — | 2 |
| AS36610US | EKNNET - East Kentucky Network, LLC. | 8.4K | 65.5K | 19 |
| AS31769US | GIGSTREEM-NYC - GiGstreem | 8.4K | 256 | 15 |
| AS400684US | ZOOMFIBER-01 - Zoom Fiber | 8.4K | — | 13 |
| AS30182US | ZION-ASN1 - ZION BROADBAND INC | 8.4K | — | 16 |
| AS27556US | FRACRACKVCLOUD - Frac Rack LLC | 8.4K | — | 2 |