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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 | 25,270 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 642 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,323 |
| 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.
32,193 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. | 44.9M | 2,009 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.5M | 4,230 |
| NETFLIX-ASN - Netflix Streaming Services Inc. |
| 6.7K |
| 26 |
| 40 |
| AS14851US | BANNER-HEALTH-ARIZONA - BANNER HEALTH | 6.7K | — | 11 |
| AS19799US | HCS - Highland Communication Services | 6.7K | — | 6 |
| AS16468US | AIRFIBER - AirFiber WISP LLC | 6.7K | — | 11 |
| AS53282US | SKYWAVE - Skywave Wireless, Inc. | 6.7K | 4.1K | 9 |
| AS2894US | CALIF-DWR - California Department of Water Resources | 6.7K | — | 24 |
| AS22827US | SMART-CITY-OCCC - SMART CITY NETWORKS, LIMITED PARTNERSHIP | 6.7K | — | 11 |
| AS33668US | CMCS - Comcast Cable Communications, LLC | 6.7K | 69 | 95 |
| AS54238US | SATCOM-DIRECT-INC - Satcom Direct Inc. | 6.7K | — | 7 |
| AS26395US | JOHNSON-CONTROLS - Johnson Controls Inc | 6.7K | — | 24 |
| AS396040US | INLAND-CELLULAR - Inland Cellular | 6.7K | — | 4 |
| AS19273US | LGEENERGY - Louisville Gas & Electric | 6.7K | — | 26 |
| AS50835US | EancenterTelecom EANCENTER TELECOM LLC | 6.7K | — | 17 |
| AS46256US | SUTTERHEALTH - Sutter Health | 6.7K | — | 4 |
| AS53497US | WEBPERCEPTION - WebPerception, LLC | 6.7K | — | 4 |
| AS13530US | DANA-HOLDING-CORPORATION - Dana Limited | 6.7K | — | 10 |
| AS26231US | SFIA-ASN - San Francisco International Airport | 6.7K | — | 11 |
| AS33680US | TELEPERFORMANCE-USA - TELEPERFORMANCE USA | 6.7K | — | 22 |
| AS19684US | OGITAL - Latigo, LLC | 6.7K | 145 | 21 |
| AS7772US | ST-LOUIS-SCHNEIDER-DC - Schneider Automation, Inc. | 6.7K | — | 7 |
| AS393349US | EA-SANTA-CLARA - Electronic Arts, Inc. | 6.7K | — | 13 |
| AS33029US | OSAGE-MUNICIPAL-COMMUNICATIONS-UTILITY - Osage Municipal Communications Utility | 6.7K | 65.5K | 11 |
| AS33255US | HAMDEN-ASN - Hampden-Sydney College | 6.7K | — | 3 |
| AS54623US | ONE-INTERNET-AMERICA - One Internet America, LLC | 6.7K | — | 12 |
| AS397324US | GWI-CI-ASN - Gallatin Wireless Internet, LLC | 6.7K | 131.1K | 6 |
| AS17264US | CERNER-COM - Cerner Corporation | 6.7K | — | 15 |
| AS46263US | EDIALOG - e-Dialog, Inc | 6.7K | — | 16 |
| AS19685US | HCIS-1 - CSI Telecom Group, Inc | 6.7K | — | 26 |
| AS393474US | SCCRESA - St. Clair County Regional Educational Service Agency | 6.7K | — | 20 |
| AS62915US | WTECHLINK - Wtechlink Incorporated | 6.7K | — | 9 |
| AS54755US | DWW-AS - Desert Winds Wireless Inc | 6.7K | — | 7 |
| AS22931US | HURONCG - Huron Consulting Group, Inc. | 6.7K | 1 | 5 |
| AS19885US | ISOCENTRIC - Isocentric Networks, Incorporated | 6.7K | — | 4 |
| AS395559US | FORCE-BROADBAND - Force Broadband LLC | 6.7K | 65.5K | 9 |
| AS13329US | KFN-001 - Kansas Fiber Network, LLC | 6.7K | 65.5K | 31 |
| AS14609US | EQUINIX-CORP-NETWORK - Equinix, Inc. | 6.7K | — | 22 |
| AS32312US | TELECOMSYS-PUBLIC - Telecommunication Systems, Inc. | 6.7K | — | 12 |
| AS17158US | DATTO-INT - Datto, LLC | 6.7K | — | 26 |
| AS393427US | WIREDTECH - Wired Tech LLC | 6.7K | — | 7 |
| AS11983US | TIKTOK-USDS - Tiktok U.S. Data Security Inc. | 6.7K | 14 | 40 |
| AS19305US | TNSI-AS-19305 - Transaction Network Services, Inc. | 6.7K | — | 14 |
| AS32567US | AS32567 - GameStop, Inc. | 6.7K | — | 9 |
| AS47050US | TAMIU-ASN - Texas A&M International University | 6.9K | — | 12 |
| AS401615US | ACCK-LTD - ACCK LLC | 6.9K | 97 | 22 |
| AS13380US | ASN-CUST - Zix Corporation | 6.9K | 2 | 8 |
| AS29973US | CLICKACTION - DATA AXLE, INC | 6.9K | — | 4 |
| AS33748US | DSCI - DSCI Corporation | 6.9K | — | 27 |