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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 |
| AS30391US | ISCINT - ISC INTERNATIONAL, LTD. | — | — | 0 |
| AS29915US | STATEFARM-ISCE - State Farm Mutual Automobile Insurance Company | — | — | 0 |
| AS30142US | 24-7-AS-IDC-002 - 247.ai, Inc. | — | — | 0 |
| AS26572US | CAMDEN-ASSET-MANAGEMENT - Camden Asset Management | — | — | 0 |
| AS16675US | CLEARDATA - Clear DATA Networks Inc. | — | — | 0 |
| AS7319US | WEBSPAN - Webspan Inc | — | — | 0 |
| AS25781US | FCASD - Fox Chapel Area School District | — | — | 0 |
| AS27100US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27099US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS26773US | SYD-NIDR - PIMCO | — | — | 0 |
| AS26942US | HOSTING-COM-ARIN - Ntirety, Inc. | — | — | 0 |
| AS10571US | GEOACCESS-AS - UnitedHealth Group Incorporated | — | — | 0 |
| AS398514US | DNIC-ASBLK-4BYTE - United States Department of Defense (DoD) | — | — | 0 |
| AS13797US | IDG-19 - International Data Group, Inc. | — | — | 0 |
| AS13766US | BRADFORD-REGIONAL-MC - Bradford Regional Medical Center | — | — | 0 |
| AS397950US | TRIN-01 - WiseTech Global | — | — | 0 |
| AS397699US | TPCASN - TPC GROUP LLC | — | — | 0 |
| AS397265US | DIGITALWORX - Digital Worx, Inc | — | — | 0 |
| AS397257US | CLOUD9-VOIPNETWORKS-01 - VoIP Networks | — | — | 0 |
| AS396038US | TEMEG-5640 - Temeg Holdings, Inc. | — | — | 0 |
| AS398605US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS46698US | WHITESKY-COMMUNICATIONS-3 - WhiteSky Communications, LLC. | — | — | 0 |
| AS398510US | DNIC-ASBLK-4BYTE - United States Department of Defense (DoD) | — | — | 0 |
| AS396561US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396593US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396373US | 27595 - Columbia College Chicago | — | — | 0 |
| AS396608US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396752US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396764US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS16804US | ARCDIGITALNET - Arcdigital LLC | — | — | 0 |
| AS7840US | TLN-AS - The Library Network | — | — | 0 |
| AS16445US | M2NGAGE2 - M2ngage Telecommunications II Corp. | — | — | 0 |
| AS16396US | PIGGLY-WIGGLY-CAROLINA - Piggly Wiggly Carolina Company | — | — | 0 |
| AS14998US | TSI-GC-NETBLK-01 - TSI, Incorporated | — | — | 0 |
| AS15014US | TTS-ASN - Total Tool Supply, Inc. | — | — | 0 |
| AS17314US | REDHAT-HOSTED - Red Hat, Inc. | — | — | 0 |
| AS17277US | CHARTER-17277-NA - Charter Communications LLC | — | — | 0 |
| AS402093US | UPHOST - DigitalHost LLC | — | — | 0 |
| AS401600US | SCN-RESEARCH - sc Network | — | 256 | 1 |
| AS13526US | NTR-METALS---DALLAS - NTR Metals | — | — | 0 |
| AS13504US | ASN-LANET-GP1 - State of Louisiana Office of Technology Services | — | — | 0 |
| AS11682US | INSTAVPS-SLC1 - InstaVPS | — | — | 0 |
| AS11977US | GREENFIELDNET-WLT-CT - TOLUNA USA Inc. | — | — | 0 |
| AS14256US | OTAYWATER - Otay Water District | — | — | 0 |
| AS14832US | NETWORKUSA - Conterra | — | — | 0 |
| AS397852US | PRIVATELINE-SWITCH-01 - Private Line, LLC | — | — | 0 |