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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 | 23,666 |
| 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 |
| 234 |
| 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 | 4,491 |
| — |
| — |
| 0 |
| AS10748US | QRC - Quantum Research Corporation | — | — | 0 |
| AS8058US | AS8058 - JAB Wireless, INC. | — | — | 0 |
| AS4335US | DNIC-ASBLK-04328-04351 - Headquarters, USAISC | — | — | 0 |
| AS10814US | XSBANDWIDTH - XS Bandwidth Associates | — | — | 0 |
| AS10645US | APPLIEDINNOVATIONS - Applied Innovations, Inc. | — | — | 0 |
| AS10707US | MAGIBOXINC - Magibox, Inc. | — | — | 0 |
| AS10567US | TNA - Total Network Access | — | — | 0 |
| AS10562US | AIRNET - AIRnet Internet Services, Inc. | — | — | 0 |
| AS16675US | CLEARDATA - Clear DATA Networks Inc. | — | — | 0 |
| AS18617US | TICKETMASTER-AWS-VIRGINIA - Live Nation Entertainment, Inc. | — | — | 0 |
| AS17171US | QAS-1720 - Quantum Aviation Solutions, Inc. | — | — | 0 |
| AS7189US | DATALINK - Insight Direct USA, Inc. | — | — | 0 |
| AS6964US | DTS-NEAR-EAST - Diplomatic Telecommunications Services | — | — | 0 |
| AS7777US | VIX2 - Mail Abuse Prevention System LLC | — | — | 0 |
| AS6523US | NETLINK207 - Net-Link Solutions | — | — | 0 |
| AS7400US | WYOMING-UTAH - wyoming.com | — | — | 0 |
| AS7840US | TLN-AS - The Library Network | — | — | 0 |
| AS7319US | WEBSPAN - Webspan Inc | — | — | 0 |
| AS7426US | IPASS-AS - Hiway 2000, Inc. dba Passport | — | — | 0 |
| AS7192US | VRIS-7192 - Verizon Business | — | — | 0 |
| AS6992US | NETSCAPE-AS - Yahoo Holdings Inc. | — | — | 0 |
| AS6044US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5829US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5293US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS5291US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS6225US | CENTURYLINK-LEGACY-QWEST-PROJECT-LION1 - CenturyLink Communications, LLC | — | — | 0 |
| AS6316US | AS-PAETEC-NET - Windstream Communications LLC | — | — | 0 |
| AS19958US | USICA-NET - AT&T Corp. - ITS | — | — | 0 |
| AS6110US | BOXTOP - BoxTop Entertainment | — | — | 0 |
| AS3720US | TIMS-AS - The Internet Mainstreet, Inc. | — | — | 0 |
| AS4169US | ECHNET - Egleston Children's Hospital | — | — | 0 |
| AS4127US | DUPONT-SCD - DuPont Scientific Computing | — | — | 0 |
| AS4905US | INFO2-4905 - Info 2 Extreme, Inc. | — | — | 0 |
| AS5115US | ONESTEP - OneStep Internet Services | — | — | 0 |
| AS4071US | DNIC-ASBLK-04065-04125 - Headquarters, USAISC | — | — | 0 |
| AS4970US | ASN1 - Thrivent Financial for Lutherans | — | — | 0 |
| AS3726US | JCALS-NET - CSC- JCALS | — | — | 0 |
| AS4501US | MICAE91-MICA - 123.Net, Inc. | — | — | 0 |
| AS46498US | WEYERHAEUSER - Weyerhaeuser Company | — | — | 0 |
| AS3694US | NOAA-SUITLAND - National Oceanic and Atmospheric Administration | — | — | 0 |
| AS32950US | TOWNESTELECOMMUNICATIONS - Townes Telecommunications Services Corporation | — | — | 0 |
| AS3893US | DNIC-ASBLK-03859-03897 - Headquarters, USAISC | — | — | 0 |
| AS3951US | INS-AZURE-EXTRANET-VHUBS - CenturyLink Communications, LLC | — | — | 0 |
| AS3919US | HARBORNET - Harbor Net | — | — | 0 |
| AS6607US | HOMENET - Homenet Communications, Inc. | — | — | 0 |
| AS3820US | ACP - American Center for Physics | — | — | 0 |