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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 | 3,134 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 218.2M | 25,263 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 641 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,336 |
| 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.
32,247 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 | 3,900 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,004 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,350 |
| — |
| — |
| 0 |
| AS399425US | CONSUMERS-CREDIT-UNION - Consumers Credit Union | — | — | 0 |
| AS399459US | BAIRD-CLOUD - Robert W. Baird & Co. Incorporated | — | — | 0 |
| AS399538US | RPVIEW-RESEARCH - DataPlane.org | — | — | 0 |
| AS399560US | CPT - Castle Point Technologies, Inc | — | — | 0 |
| AS399576US | GAC-ATL-DC - Gulfstream Aerospace Corporation | — | — | 0 |
| AS399588US | PDINC-HQDC-01 - PD Inc | — | — | 0 |
| AS399609US | KISSUSA-LA - KISS NAIL PRODUCTS, INC | — | — | 0 |
| AS399637US | DEN-IRV-ASN - Denny's, Inc. | — | — | 0 |
| AS399720US | IMT-PRIMARY-01 - Integrated Marketing Technologies, Inc. | — | — | 0 |
| AS399901US | PBN-18-399901 - PIN Business Network, Inc. | — | — | 0 |
| AS399982US | ABRIA-AS-02 - AbriaCloud Technologies | — | — | 0 |
| AS400021US | BARNHART-ASN - Barnhart Crane and Rigging Co. | — | — | 0 |
| AS400174US | ATLAS-BROADBAND-01 - Atlas Broadband | — | — | 0 |
| AS400192US | WAVSPEED - WavSpeed Incorporated | — | — | 0 |
| AS400308US | ZY - Zyberz LLC | — | — | 0 |
| AS400311US | IRN - EDISON PROPERTIES, LLC | — | — | 0 |
| AS400326US | NETFIRE-NFFIBER01 - NetFire, LLC | — | — | 0 |
| AS400334US | VISPLLC - VISP LLC | — | — | 0 |
| AS400378US | BEAUMONT-CITY01 - City of Beaumont, TX | — | — | 0 |
| AS400481US | NMRN - University of New Mexico | — | — | 0 |
| AS400500US | SSFCU-AS-3 - Security Service Federal Credit Union | — | — | 0 |
| AS400561US | POWERSCHOOL-BETHLEHEM - PowerSchool | — | — | 0 |
| AS400611US | WCCHC-01 - Waianae District Comprehensive Health & Hospital Board Inc | — | — | 0 |
| AS400635US | PDNS-REGION-0 - ThreatSTOP | — | — | 0 |
| AS400689US | STRATADEFENSE-01 - StrataDefense, LLC | — | — | 0 |
| AS400755US | GO-DADDY-COM-LLC - GoDaddy.com, LLC | — | — | 0 |
| AS400795US | ROOT-HQ - ROOT, INC. | — | — | 0 |
| AS400796US | LITCOM-02 - Omni Fiber | — | — | 0 |
| AS400872US | VMW-NASA-IPV6 - Avago Technologies U.S. Inc. | — | — | 0 |
| AS400991US | ZOOT-BLG - Zoot Enterprises, Inc. | — | — | 0 |
| AS401070US | SYUENT-01 - Syufy Enterprises | — | — | 0 |
| AS401088US | IZT-CLOUD-USA-MI - IZT Cloud | — | — | 0 |
| AS401177US | AXIOMSPACE - Axiom Space, Inc. | — | — | 0 |
| AS401277US | ANDYL - ANDYL, INC | — | — | 0 |
| AS401284US | NTS-BATONROUGE-01 - Vexus Fiber | — | — | 0 |
| AS401309US | MRHC-MAIN - Magnolia Regional Health Center | — | — | 0 |
| AS401369US | MINAKILABS-AS02-AS03 - MinakiLabs | — | — | 0 |
| AS401391US | ISLETA-RESORT-AND-CASINO - Isleta Resort and Casino | — | — | 0 |
| AS401403US | NOVASTREAM - NovaStream, LLC | — | — | 0 |
| AS401409US | ASCENT-AS01 - Ascent Hospitality Management LLC | — | — | 0 |
| AS401425US | BASTETRIX-CONSULTING - Bastetrix LLC | — | — | 0 |
| AS401487US | SUPER-BROADBAND-LLC - SUPER BROADBAND LLC | — | — | 0 |
| AS401516US | BNY-INS-EME-WOK - The Bank of New York Mellon Corporation | — | — | 0 |
| AS401646US | GUARDIAN-SECURITY - Guardian Security Systems, Inc. | — | — | 0 |
| AS401704US | JANIKING - JANI-KING INTERNATIONAL, INC. | — | — | 0 |
| AS401717US | NLRPDJC-SEGRA - City of North Little Rock | — | — | 0 |