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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 | 3,139 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,160 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,243 |
| 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.
31,994 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 383 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,669 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,948 |
| AS701US | UUNET - Verizon Business | 43.6M | 998 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,372 |
| 256 |
| — |
| 1 |
| AS62581US | WPA - Wonderful Pistachios & Almonds LLC | 256 | — | 1 |
| AS936US | WEICH-ASN-01 - Weichert Co | 256 | — | 1 |
| AS393563US | ACTIFIO-AS - Actifio, Inc. | 256 | — | 1 |
| AS16897US | RSI-AUS - Renaissance Systems, Inc. | 256 | — | 1 |
| AS395352US | CAC-GR1 - Credit Acceptance Corporation | 256 | — | 1 |
| AS394816US | GROCERYOUTLET - Grocery Outlet Inc. | 256 | — | 1 |
| AS399943US | FIGFCU-P1 - Farmers Insurance Group Federal Credit Union | 256 | — | 1 |
| AS26868US | NCTA-WASHINGTONDC - NCTA - The Internet & Television Association | 256 | 1 | 2 |
| AS22384US | PERFORMIVE-VNI - Performive LLC | 256 | — | 1 |
| AS399848US | TELEPRO-01 - TelePro, Inc. | 256 | — | 1 |
| AS23087US | CDG - Communications Data Group | 256 | — | 1 |
| AS36169US | DCS1 - DETEL Computer Solutions, LLC | 256 | — | 1 |
| AS395465US | APOG-UNCC-SOUTH - Apogee Telecom Inc. | 256 | — | 1 |
| AS396093US | BRS-AS-124 - Big River Steel, LLC | 256 | — | 1 |
| AS31870US | ASN-BELL3 - Bell Bank | 256 | — | 1 |
| AS40019US | SENDLANE - Sendlane | 256 | — | 1 |
| AS395090US | GAGOSIAN-GALLERY - Gagosian Gallery, Inc | 256 | — | 1 |
| AS46801US | RITAOHIO - Regional Income Tax Agency | 256 | — | 1 |
| AS197767US | Zgocloud ZgoShop, Inc. | 256 | 256 | 2 |
| AS398797US | NUBESEC - Nubesec LLC | 256 | — | 1 |
| AS393384US | US-KONTIKI-2 - Kollective Technology, Inc. | 256 | — | 1 |
| AS399133US | VANTAGE-POINT-SOLUTIONS - VPS Solutions, LLC | 256 | 256 | 2 |
| AS22420US | RWNY-AS - Resorts World Casino New York City | 256 | — | 1 |
| AS398148US | MOATIT - MOATiT, LLC | 256 | — | 1 |
| AS12077US | SUBCONSCIOUS - Subconscious | 256 | 256 | 2 |
| AS55054US | IPMEETIP - IPv4 Superhub Limited | 256 | — | 1 |
| AS26064US | COFKM - City of Kings Mountain | 256 | — | 1 |
| AS396236US | MIMOKC - MIMO 5G Internet | 256 | — | 1 |
| AS61125US | SABOTAGE SABOTAGE LLC | 256 | 1 | 2 |
| AS1829US | LANL-NV - Los Alamos National Laboratory | 256 | 1 | 2 |
| AS656US | DNIC-ASBLK-00616-00665 - United States Department of Defense (DoD) | 256 | — | 1 |
| AS394661US | MNA01 - Manning & Napier Advisors, LLC | 256 | — | 1 |
| AS13753US | AS-BFG - Bedrock Fiber Group, inc. | 256 | 256 | 2 |
| AS398639US | WHV - Warm Hearth Inc | 256 | — | 1 |
| AS6224US | CENTURYLINK-MTIPS2-CHI - CenturyLink Communications, LLC | 256 | — | 1 |
| AS396418US | DCSTECH-US - DCSTech, LLC | 256 | 1 | 2 |
| AS26916US | TCW-AS-NY - The TCW Group, Inc. | 256 | — | 1 |
| AS47075US | TCNINC - TCN, Inc. | 256 | — | 1 |
| AS400422US | MODERNTREASURY - Modern Treasury Corp. | 256 | 1 | 2 |
| AS400485US | APOG-PUERTA-DEL-SOL - Apogee Telecom Inc. | 256 | — | 1 |
| AS54515US | MRMC - Milford Regional Medical Center Inc. | 256 | — | 1 |
| AS36553US | BALTIMORE-CITY-POLICE-DEPARTMENT - Baltimore City Police Department | 256 | — | 1 |
| AS14304US | TSYS-SDC-CIV - Global Payments Inc. | 256 | — | 1 |
| AS398460US | MVLS-SALS - Southern Adirondack Library System | 256 | — | 1 |
| AS11330US | BANKPLUS-NETWORK-01 - BankPlus | 256 | — | 1 |
| AS210659US | RLRISK Rogers and Lynch LLC | 256 | 48 | 4 |