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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 | 3,136 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 210.5M | 20,721 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 638 |
| AS721US | DNIC-ASBLK-00721-00726 - United States Department of Defense (DoD) | 73.1M | 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC |
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.
31,994 autonomous systems registered to United States. Click an AS for detail.
| 68.3M |
| 366 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 66.4M | 1,106 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 47.9M | 3,574 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,926 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.2M | 4,508 |
| — |
| — |
| 0 |
| AS5754US | PIXINET1 - Pacific Information Exchange, Inc. | — | — | 0 |
| AS5273US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS5118US | PHOENIX-IX-ROUTE-SERVERS - Ninja-IX Corporation | — | — | 0 |
| AS5123US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS5013US | EMTF-IZM - Air Force Systems Networking | — | — | 0 |
| AS33063US | AS-CUBIT - Cubit Computer Ltd. Liability Co. | — | 272 | 2 |
| AS7929US | WETWARE - Wetware Services | — | — | 0 |
| AS6096US | SYSNET-1 - Sysnet Corp | — | — | 0 |
| AS5985US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5930US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5805US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS394882US | JUPITERCLOUD - Jupiter Cloud LLC | — | 2 | 2 |
| AS5276US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS401767US | T4T-MAIN - T4T Labs | — | 1 | 1 |
| AS10603US | TYPEHOUSE-GROUP - Typehouse Group | — | — | 0 |
| AS12441US | COMMTOUCH-ASN Cyren Inc | — | — | 0 |
| AS12197US | DRUGSTORE-COM - Drugstore.Com, Inc. | — | — | 0 |
| AS12117US | WCN-OMNI-BLKS - west central wireless | — | — | 0 |
| AS11689US | NN-JORSM-CHI01 - Altafiber | — | — | 0 |
| AS11859US | NELLIX-RS - NELLICUS, LLC | — | — | 0 |
| AS11536US | SRC-ASN01 - Sunrise Communications LLC | — | — | 0 |
| AS54852US | F4-NETWORKS - F4 Networks | — | 1M | 3 |
| AS14185US | CBSK - CABLE ONE, INC. | — | — | 0 |
| AS21687US | AS21687 - Crown Castle Fiber LLC | — | 1.5K | 3 |
| AS62657US | NEWREZ-LLC - NewRez LLC | — | — | 0 |
| AS402555US | RIKKIA-NETWORK-01 - Rikkia | — | 1 | 1 |
| AS62609US | IL-853-62609 - insiteOne | — | — | 0 |
| AS197127US | OwO-Intranet-Services OwO Intranet Services LLC | — | 17 | 2 |
| AS46836US | SUNGARDAS-46836 - BroadbandONE, LLC | — | — | 0 |
| AS6967US | AS6967 - Metronet | — | — | 0 |
| AS6603US | MTWEST208 - CottonWood CyberVentures | — | — | 0 |
| AS6589US | ROZINT - Rozint | — | — | 0 |
| AS6402US | TEXAS-AI-SYSTEMS - Texas AI Systems | — | — | 0 |
| AS6418US | SATELNET-AS - SatelNet Communications, Inc. | — | — | 0 |
| AS6375US | XROADS - Crossroads Communications | — | — | 0 |
| AS6469US | ARTEMIS - Artemis Research | — | — | 0 |
| AS7208US | MEGANET - MegaNet | — | — | 0 |
| AS7814US | CNS-NETWORK - Chenango Net Services | — | — | 0 |
| AS7405US | GENUITY-XATL - Genuity Inc. | — | — | 0 |
| AS7267US | GLOBALCOMMERCE - Global Commerce Link, LLC | — | — | 0 |
| AS7159US | NTTCNET - New Trier Technology Cooperative | — | — | 0 |
| AS7166US | C-ECOMM - C-E Communications | — | — | 0 |
| AS7113US | NFIC-AS - New Frontiers Information Corp. | — | — | 0 |
| AS13898US | SMART-MOBILE - Smart Mobile LLC | — | 1 | 1 |
| AS5897US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5634US | MILESTONE - Milestone Research and Development Labs Inc. | — | — | 0 |