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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 | 25,285 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 642 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,310 |
| 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.
32,244 autonomous systems registered to United States. Click an AS for detail.
| 73M |
| 232 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.6M | 3,898 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,000 |
| AS701US | UUNET - Verizon Business | 43.6M | 992 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,356 |
| 1.3K |
| — |
| 5 |
| AS18789US | NETMLH-AS - Main Line Health, Inc. | 1.3K | — | 2 |
| AS35968US | TGNA-WUSA - TEGNA Inc. | 1.3K | — | 5 |
| AS40464US | ECLIPSENET - Eclipse Networks, Inc. | 1.3K | — | 5 |
| AS36025US | FASTEST-INTERNET-IN-PARKCITY-UTAH - WickedFastInternet.com | 1.3K | — | 2 |
| AS845US | SBA-CONNECT - SBA Connect, LLC | 1.3K | 1 | 6 |
| AS40705US | LAWARD-NET - LA WARD COMMUNICATIONS, INC. | 1.3K | — | 4 |
| AS398387US | NA-DC - International Flavors & Fragrances, Inc. | 1.3K | — | 5 |
| AS30228US | TEVA-NA - Teva Pharmaceuticals USA, INC | 1.3K | — | 4 |
| AS53603US | MAHINDRA-SATYAM-CLV - TechMahindra Americas Inc. | 1.3K | — | 4 |
| AS46323US | TELEBROAD - Telebroad LLC | 1.3K | 1 | 6 |
| AS26840US | ABG - Advanced Business Group, LLC | 1.3K | — | 4 |
| AS36629US | MGTLD - VeriSign Global Registry Services | 1.3K | 1 | 6 |
| AS32172US | RADICALMEDIA - @radicalmedia Inc. | 1.3K | — | 2 |
| AS401043US | MJFVENTURES - MJF Ventures LLC | 1.3K | — | 4 |
| AS18974US | TRULIANT-1 - Truliant Federal Credit Union | 1.3K | — | 4 |
| AS26197US | HIGHJUMPSOFTWARE - Korber Supply Chain US, Inc. | 1.3K | — | 5 |
| AS393880US | HAL - Hawaiian Airlines | 1.3K | — | 5 |
| AS13347US | MIDWEST-CABLE - Midwest Cable | 1.3K | 524.3K | 6 |
| AS54466US | AS-ISSQUARED - ISSQUARED, Inc. | 1.3K | — | 5 |
| AS22139US | MARIN-COUNTY-01 - County of Marin | 1.3K | — | 3 |
| AS394895US | HCDL-ST-LOUIS-DATA-CENTER - H5 Data Centers | 1.3K | 256 | 6 |
| AS393972US | CMECCONNECT - Coles Moultrie Electric Cooperative | 1.3K | — | 4 |
| AS53871US | DELTEK-NET - Deltek, Inc. | 1.3K | — | 5 |
| AS32884US | DV-TRADING-LLC - DV TRADING, LLC | 1.3K | — | 5 |
| AS18786US | ALL-POINTS-BROADBAND-1 - All Points Broadband | 1.3K | — | 2 |
| AS40166US | DAEMEN-COLLEGE - Daemen University | 1.3K | — | 2 |
| AS40437US | ACESPOWERMARKETING-INDY-AS - ACES Power Marketing | 1.3K | — | 4 |
| AS55243US | CEDARNET - Cedar Wireless, Inc. | 1.3K | 4 | 9 |
| AS401990US | STORM-NET - StormNode Systems LLC | 1.3K | — | 5 |
| AS13448US | WEBSENSE - Forcepoint, LLC | 1.3K | 1 | 5 |
| AS22606US | EXACT-7 - Salesforce.com, Inc. | 1.3K | — | 5 |
| AS401948US | MIXBOOST-D - VERYBOOST INC | 1.3K | — | 5 |
| AS22258US | COMCAST-22258 - Comcast Cable Communications, LLC | 1.3K | 15 | 20 |
| AS30067US | AACG-AS - Anne Arundel County, Maryland | 1.3K | — | 5 |
| AS399435US | LIPAN-TELEPHONE-COMPANY - Lipan Telephone Company | 1.3K | — | 4 |
| AS26337US | OIS1 - Oso Grande IP Services, LLC | 1.3K | — | 5 |
| AS400963US | AS-GLXY-DIGITAL - Galaxy Digital LP | 1.3K | — | 5 |
| AS40625US | TWC-WESTELCOM-MULTIHOMED - Jefferson Community College | 1.3K | — | 5 |
| AS26063US | ALCONLABS-11975 - Alcon Labs, Inc. | 1.3K | — | 5 |
| AS399912US | HAYO-TELECOM - Hayo Telecom, Inc | 1.3K | 65.5K | 3 |
| AS11897US | TULSA-COMMUNITY-COLLEGE - Tulsa Community College | 1.3K | — | 5 |
| AS22020US | PLANETMAGPIE - Magpie Internet Communications, Corp. | 1.3K | — | 2 |
| AS401430US | POND-IOT-01 - POND IOT | 1.3K | 257 | 6 |
| AS5877US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | 1.3K | — | 5 |
| AS26152US | WXCCE - Cisco Webex LLC | 1.3K | — | 5 |
| AS27233US | AS27233 - Ascena | 1.3K | — | 2 |