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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 | 24,389 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,302 |
| 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.
32,169 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 | 1,996 |
| AS701US | UUNET - Verizon Business | 43.6M | 994 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,341 |
| 1.3K |
| — |
| 2 |
| AS11925US | RUESCH-CONSULTING - Ruesch Consulting, LLC | 1.3K | 65.5K | 3 |
| AS36360US | ZINGOMEDIA - Zingo Media Group LLC | 1.3K | — | 5 |
| AS30334US | PARK-NATIONAL-CORP - The Park National Corporation | 1.3K | — | 5 |
| AS400899US | CYCLONESERVERS-LLC - Cyclone Servers | 1.3K | 258 | 8 |
| AS62664US | UNITEDTELEPORTS - UNITED TELEPORTS, INC. | 1.3K | — | 5 |
| AS31834US | TELA-ASN - TELA, Incorporated | 1.3K | — | 5 |
| AS7310US | GARTNERGROUP - Gartner Group | 1.3K | — | 5 |
| AS397934US | AAILLC-1 - Latitude AI LLC | 1.3K | — | 5 |
| AS62656US | COZAQ - Cozaq | 1.3K | — | 2 |
| AS47689US | Pudu Pudu, LLC | 1.3K | 65.8K | 13 |
| AS398116US | FDNY-NETWORKSRV-01 - FDNY | 1.3K | — | 5 |
| AS19470US | LCPS - LAS CRUCES PUBLIC SCHOOLS | 1.3K | 256 | 3 |
| AS31814US | FSI - FlightSafety International | 1.3K | — | 5 |
| AS11661US | SEMICUBIC - Semicubic Systems LLC | 1.3K | 16 | 3 |
| AS394451US | EHS-AS-001 - Elliot Health System | 1.3K | — | 2 |
| AS401489US | XGLSOLUTIONS - Xglsolutions LLC | 1.3K | 256 | 6 |
| AS46742US | QTS-HIL - Quality Technology Services, LLC | 1.3K | 65.5K | 3 |
| AS398044US | FIBERFED - Trinity Network Solutions | 1.3K | 4.1K | 6 |
| AS13974US | OL-ASN - NetCrew | 1.3K | 256 | 3 |
| AS394516US | COUNTYOFNAPAAS - County of Napa MIS | 1.3K | — | 2 |
| AS63299US | PATHWAYS - Pathways Health and Community Support LLC | 1.3K | — | 5 |
| AS14951US | VMCNET - Vulcan Materials Company | 1.3K | — | 5 |
| AS40588US | WELLSPAN-WOC-AS - York Hospital | 1.3K | — | 5 |
| AS46614US | SENCI-46614 - Sencinet LatAm (Nevada) Corp. | 1.3K | — | 5 |
| AS33261US | PHRG - Power Home Remodeling LLC | 1.3K | — | 5 |
| AS398196US | COBALT-RIDGE - Cobalt Ridge | 1.3K | — | 4 |
| AS206533US | CentrixNodes CentrixNodes LLC | 1.3K | 1 | 6 |
| AS25985US | SYMBIOSYSTEMS - SymbioSystems LLC | 1.3K | — | 5 |
| AS401912US | ASN-BVSD-01 - Boulder Valley School District (BVSD) | 1.3K | — | 5 |
| AS21998US | SETA - SETA | 1.3K | — | 2 |
| AS33714US | HBCS-NC-AS1 - Hospital Billing and Collection Service, LTD | 1.3K | — | 2 |
| AS32582US | 600AMPS - 600Amps Internet Services, Inc. | 1.3K | 4.1K | 4 |
| AS399545US | CCTC-ASN1 - Coleman County Telephone Cooperative, Inc. | 1.3K | — | 2 |
| AS31865US | SWKAS - THE STANLEY WORKS | 1.3K | — | 2 |
| AS11140US | BEHRPROCESS - Behr Process | 1.3K | — | 2 |
| AS397410US | MTG-AS - Mainstream Technology Group | 1.3K | — | 4 |
| AS397973US | CDS-GLOBAL-01 - CDS GLOBAL, INC. | 1.3K | — | 5 |
| AS1074US | PRODUCTION-NETWORKS - Production Networks, LLC | 1.3K | — | 2 |
| AS399408US | NUBROADWACA - COAXIAL NETWORKS INC | 1.3K | 1 | 5 |
| AS400783US | DFC-ASN-01 - Dole Food Company, Inc. | 1.3K | — | 5 |
| AS46537US | ELMDC - Elm Datacenter LLC | 1.3K | — | 5 |
| AS397071US | AWEB-LLC-ASN - AWEB LLC | 1.3K | 1 | 6 |
| AS27613US | TYLERTECH-CCS1 - Tyler Technologies, Inc. | 1.3K | 5 | 10 |
| AS13703US | SDL-158-13703 - SYnthetic Development LLC | 1.3K | — | 5 |
| AS21718US | NW-NATURAL-GAS - Northwest Natural Gas | 1.3K | — | 5 |
| AS394915US | DFC-WASH - U.S. International Development Finance Corporation | 1.3K | 32 | 7 |