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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) | 227.7M | 3,134 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 219M | 23,681 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 645 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,370 |
| 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.
32,364 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 236 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 439 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.8M | 3,914 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 45M | 2,047 |
| AS701US | UUNET - Verizon Business | 43.6M | 996 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.8M | 4,503 |
| DSM-AIRPORT-AUTHORITY - Des Moines Airport Authority |
| 256 |
| — |
| 1 |
| AS40408US | KOUNT-INC - Kount, Inc. | 256 | — | 1 |
| AS400067US | BNP-ASNBLOCK-01 - BNP Media, INC | 256 | — | 1 |
| AS40849US | FULLBEAUTY-BRANDS - FullBeauty Brands Inc | 256 | — | 1 |
| AS32923US | SILVERPNT-CT - SILVER POINT CAPITAL, LP | 256 | — | 1 |
| AS398093US | ADA-TECH-LLC - ADA Tech, LLC | 256 | — | 1 |
| AS393803US | DT-DDS - Dealertrack, Inc. | 256 | — | 1 |
| AS22294US | ROTECH-HEALTHCARE - ROTECH HEALTHCARE, INC | 256 | — | 1 |
| AS394857US | RVRWLK - Riverwalk Consulting LLC | 256 | 65 | 3 |
| AS400466US | CCAP - County Commissioners Association of Pennsylvania | 256 | — | 1 |
| AS396343US | PRTNET - Blurb, Inc. | 256 | — | 1 |
| AS400502US | XTENIT - Xtenit | 256 | — | 1 |
| AS63146US | WC-28 - Wolf Creek Nuclear Operating Corporation | 256 | — | 1 |
| AS397176US | NBMC - New Bridge Medical Center | 256 | — | 1 |
| AS216044US | Terranode_LLC Terranode LLC | 256 | 3 | 4 |
| AS54059US | ITELLUS - Itelligence Inc. US | 256 | — | 1 |
| AS395676US | L40-WAN - Clark Associates, Inc. | 256 | 1 | 2 |
| AS19439US | REACH-MEDIA-LLC - Reach Media LLC | 256 | — | 1 |
| AS214806US | FEMBOY Femboy Cyber Networks LLC | 256 | 1 | 2 |
| AS62991US | CVCH-AS - Columbia Valley Community Health | 256 | — | 1 |
| AS400142US | FREE-RANGE-INTERNET - Free Range Internet LLC | 256 | — | 1 |
| AS400273US | JSL-76-ASN - Johnstone Supply, LLC | 256 | — | 1 |
| AS33233US | OECU-BGP1 - Oklahoma Employees Credit Union | 256 | — | 1 |
| AS394732US | DMOS-1 - Des Moines Orthopaedic Surgeons, P.C. | 256 | — | 1 |
| AS33519US | BCU-ASN01 - Baxter Credit Union | 256 | — | 1 |
| AS197817US | NYCO-CLOUD-NETWORK Nyco Cloud Network LLC | 256 | 269 | 15 |
| AS396042US | NEWSDAY - Newsday Media Group | 256 | — | 1 |
| AS46940US | AS46940 - IAC/InterActiveCorp | 256 | — | 1 |
| AS395408US | SBLI-MA - SBLI | 256 | — | 1 |
| AS400240US | NEEBUNET - NEEBU Networks | 256 | 1 | 2 |
| AS396215US | CCBCC-FL - Charlotte County Board of County Commissioners | 256 | — | 1 |
| AS25760US | MLNX-US - Mellanox Technologies | 256 | — | 1 |
| AS394339US | EMA-TP-CORP - eMoney Advisor | 256 | — | 1 |
| AS53517US | ECOMATLANTIC - ECOM Atlantic, Inc. | 256 | — | 1 |
| AS394104US | WESTDATA - IPLOCKVPN.COM | 256 | — | 1 |
| AS11347US | ORC-F2 - ORC | 256 | — | 1 |
| AS393291US | KEMPER-DEVELOPMENT - Kemper Development Company | 256 | — | 1 |
| AS26647US | MSS1 - Movers Specialty Service | 256 | — | 1 |
| AS14705US | ROXBURYCC-1234-MH - Roxbury Community College | 256 | — | 1 |
| AS399927US | IMOUNTAIN-ASN1 - IMountain LLC | 256 | — | 1 |
| AS32325US | EJC-100 - James Campbell Company LLC | 256 | — | 1 |
| AS36338US | BUCKS - Milwaukee Bucks, LLC | 256 | — | 1 |
| AS29824US | APPFO-SB - Appfolio, Inc. | 256 | — | 1 |
| AS397992US | AXION - Axion | 256 | — | 1 |
| AS405US | AFCONC-BLOCK1-AS - Air Force Systems Networking | 256 | — | 1 |
| AS22559US | GNF-ORG - Genomics Institute of the Novartis Research Foundation | 256 | — | 1 |
| AS401285US | MICHIGANVIRTUAL - MICHIGAN VIRTUAL | 256 | — | 1 |