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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) | 227.4M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 217.9M | 24,372 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 643 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,322 |
| 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.
32,235 autonomous systems registered to United States. Click an AS for detail.
| 72.9M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.6M | 3,906 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.9M | 2,006 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.7M | 4,275 |
| — |
| — |
| 0 |
| AS394035US | PAC12 - Pac-12 Conferences | — | — | 0 |
| AS394070US | ISC-F-LGA1 - Internet Systems Consortium, Inc. | — | — | 0 |
| AS394213US | BLUESNAP-AS - BlueSnap Inc | — | — | 0 |
| AS394239US | SMDC01 - creehan and company | — | — | 0 |
| AS394319US | CITY-OF-MCKINNEY-TX - CITY OF MCKINNEY | — | — | 0 |
| AS394343US | TWS-ASN - Total Warranty Services, Inc. | — | — | 0 |
| AS394388US | TOTAL SOLUTION - Cyber Broadband, Inc | — | — | 0 |
| AS394466US | ROUTE4 - Route4 Communications | — | — | 0 |
| AS394481US | MFBNAS - MB Financial Bank NA | — | — | 0 |
| AS394504US | HARMANINTL - Harman International Industries | — | — | 0 |
| AS394551US | BT - Matrix Applications LLC | — | — | 0 |
| AS394608US | KEXP-AS-NAME - KEXP | — | — | 0 |
| AS394793US | FRUITO - Fruit of the Loom, Inc. | — | — | 0 |
| AS394959US | AL-PROD-02 - AppLovin Corporation | — | — | 0 |
| AS395022US | GTGL-US - Global Telecom Group LLC | — | — | 0 |
| AS395090US | GAGOSIAN-GALLERY - Gagosian Gallery, Inc | — | — | 0 |
| AS395212US | PHALANXTAC - Phalanx Internetworks, Inc. | — | — | 0 |
| AS395217US | ISC-F-RNO1 - Internet Systems Consortium, Inc. | — | — | 0 |
| AS395304US | HMHF-1-AS - THE HARDIN MEMORIAL HOSPITAL FOUNDATION, INC. | — | — | 0 |
| AS395411US | SMY-ISP-ASN - City of Smyrna, GA | — | — | 0 |
| AS395416US | THRYV - Thryv | — | — | 0 |
| AS395530US | IHN-ASN - Independent Health Network, Inc. | — | — | 0 |
| AS395538US | NDR - National Debt Relief, LLC | — | — | 0 |
| AS395787US | PLATOPS - PlatOps Security LLC | — | — | 0 |
| AS395827US | ROCKETEMS-AS-01 - Rocket EMS, Inc. | — | — | 0 |
| AS395881US | ENNWISE-DC - Ennwise | — | — | 0 |
| AS395966US | USB-ASN-PUBLIC - United Security Bank | — | — | 0 |
| AS396170US | ONECOLO-ASN-PRIMARY - OneColo | — | — | 0 |
| AS396187US | BRIVMRC - Benaroya Research Institute | — | — | 0 |
| AS396234US | SYSER - SERVPS LLC | — | — | 0 |
| AS396256US | ING-001 - Isolation Network, Inc | — | — | 0 |
| AS396282US | STERLINGINFOSYSTEMS - Sterling Infosystems, Inc. | — | — | 0 |
| AS396346US | HEALTH-FIRST - HEALTH FIRST, INC. | — | — | 0 |
| AS396386US | ADECASN - A-dec Inc. | — | — | 0 |
| AS396414US | HACKING-AND-COFFEE-LLC - Hacking & Coffee, LLC | — | — | 0 |
| AS396547US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396557US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396560US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396568US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396585US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396590US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396597US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396633US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396637US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396723US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396731US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |