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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 | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 219M | 23,661 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 645 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,361 |
| 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.
32,363 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 | 3,911 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 45M | 2,046 |
| AS701US | UUNET - Verizon Business | 43.6M | 996 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.8M | 4,490 |
| 768 |
| 39 |
| 27 |
| AS46268US | PADRES-01 - San Diego Padres | 768 | — | 2 |
| AS19127US | HNW-AK - Heritage NetWorks, LLC | 768 | 257 | 4 |
| AS401610US | TRAFIX-LLC - TRAFiX LLC | 768 | — | 3 |
| AS400348US | BOLD-FR-NET - Apogee Telecom Inc. | 768 | — | 2 |
| AS63105US | NEILL-BTR - Neill Corporation | 768 | — | 3 |
| AS17058US | INTELLIVERSE - Intelliverse | 768 | — | 3 |
| AS395891US | CCS-DN1-MULTIHOME - Century Communities, Inc. | 768 | — | 3 |
| AS36333US | RBCORP - Republic Bank & Trust Company | 768 | — | 3 |
| AS15096US | SONN Steven Noble | 768 | 2 | 5 |
| AS398017US | RTBHOUSE-PHX - RTB House Inc. | 768 | 1 | 3 |
| AS14301US | EVEREST-INTERNET - Everest Global Services | 768 | — | 3 |
| AS46700US | KANDY-NA - AVCtechnologies USA Inc. | 768 | — | 3 |
| AS32180US | ROCKET-SIRIUS - ROCKET SOFTWARE INC | 768 | — | 2 |
| AS54149US | TS5LLC - TS5 LLC | 768 | — | 3 |
| AS30188US | TELEVERGENCE - Televergence Solutions Inc. | 768 | — | 3 |
| AS23099US | SPR - DM Petroleum Operations Company | 768 | 1 | 4 |
| AS396406US | MARYVILLE-UNIVERSITY-STL - Maryville University of St Louis | 768 | — | 3 |
| AS32766US | FIDELITY-BANK - Fidelity Bank, N.A. | 768 | — | 3 |
| AS54664US | TBCCO-AS-01 - TBC Corporation | 768 | — | 3 |
| AS55218US | IWISP-LLC - iWiSP llc | 768 | 4.1K | 8 |
| AS400509US | ASIPFB - IPFB LLC | 768 | 1 | 4 |
| AS62804US | BITSHELTER-NYC - PhotoShelter, Inc. | 768 | — | 2 |
| AS33743US | HVW-ALB1 - Hudson Valley Wireless | 768 | — | 3 |
| AS205419US | pl-lionbridge Lionbridge Technologies, Inc. | 768 | — | 3 |
| AS46926US | 555-WEST-HASTINGS-STREET - Payment Processing Inc. | 768 | — | 3 |
| AS11437US | CMM-AS - ClearSky Technologies, Inc. | 768 | — | 3 |
| AS32540US | HP-HOOD - HP Hood | 768 | — | 3 |
| AS19160US | ATGL-AS - Apex Tool Group LLC | 768 | — | 3 |
| AS63221US | COMMUNITY-IX - Community IX Holdings, Inc. | 768 | — | 3 |
| AS29813US | WNBAS - Woodforest National Bank | 768 | — | 3 |
| AS394861US | LJI - La Jolla Institute for Immunology | 768 | — | 3 |
| AS394471US | ZP-GU - Gusto, Inc. | 768 | — | 3 |
| AS21759US | NRUCFC - National Rural Utilities Cooperative Finance Corporation | 768 | — | 3 |
| AS64284US | CIC-AS-PRIMARY - CoolSys Commercial & Industrial Solutions, Inc. | 768 | — | 3 |
| AS15260US | DWS-NY - Disney Worldwide Services, Inc. | 768 | — | 3 |
| AS397067US | VFOREGONLLC - VFOregon LLC | 768 | 1 | 3 |
| AS32108US | ASN-WSECU - WSECU | 768 | — | 3 |
| AS15197US | CONCORD - Concord Technologies | 768 | — | 3 |
| AS40117US | YEXT - Yext, Inc. | 768 | — | 3 |
| AS397805US | AS-DYNASCALE-IAD - Dynascale Inc. | 768 | 8.2K | 4 |
| AS40793US | LINKEDIN - LinkedIn Corporation | 768 | 1 | 4 |
| AS395572US | CLEARWINDS - Clear Winds Technologies Incorporated | 768 | — | 3 |
| AS27377US | FTICON-909 - FTI CONSULTING | 768 | — | 3 |
| AS399115US | AOP - AOP | 768 | — | 2 |
| AS32141US | REDROBIN-1 - Red Robin Gourmet Burgers | 768 | — | 3 |
| AS395605US | SECURUSTECH - Securus Technologies, Inc | 768 | — | 2 |