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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 | 3,134 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 219M | 23,681 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 645 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,370 |
| 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.
32,364 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 236 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 439 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.8M | 3,914 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 45M | 2,047 |
| AS701US | UUNET - Verizon Business | 43.6M | 996 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.8M | 4,503 |
| — |
| 1 |
| AS398997US | APERIA-10-2020 - Aperia | 256 | 4.1K | 3 |
| AS47073US | JCPA-AS - The Jackson Clinic, P.A. | 256 | — | 1 |
| AS22022US | HUB-GROUP - Hub Group, Inc. | 256 | — | 1 |
| AS397526US | LHM-ASN-2247211 - Liberty Healthcare Management Inc. | 256 | — | 1 |
| AS402629US | MVNO-VOIP-ASN - TAIPEI101 | 256 | 1 | 2 |
| AS402230US | STRATO - Strato Labs Inc | 256 | 1 | 2 |
| AS11768US | GRYPHO5-02 - Grypho5, LLC | 256 | — | 1 |
| AS14662US | CSTONE-NET - Cornerstone Systems Inc. | 256 | — | 1 |
| AS2717US | CUMMINS-AS1 - Cummins Inc. | 256 | — | 1 |
| AS40868US | FCEC-ASN - Fannin County Electric Cooperative, Inc. | 256 | — | 1 |
| AS30394US | JENNISON - Jennison Associates LLC | 256 | — | 1 |
| AS5632US | GORDONCOLLEGE - Gordon College | 256 | — | 1 |
| AS21629US | TWR - TWR Tech, LLC | 256 | 3 | 4 |
| AS15302US | TRIALCARD-01 - TrialCard Incorporated | 256 | — | 1 |
| AS394570US | ALASU - Alabama State University | 256 | 65.5K | 2 |
| AS54096US | NYC-DC-01 - Exiger LLC | 256 | — | 1 |
| AS394495US | SHAWFIBER-01 - Shaw Fiber | 256 | 256 | 2 |
| AS18696US | ETHNOS360-USHO - ETHNOS360, INC. | 256 | 1 | 2 |
| AS63007US | COPK-ASN-1 - City of Overland Park, Kansas | 256 | — | 1 |
| AS55278US | CIG-ASN - California Capital Insurance Company | 256 | — | 1 |
| AS396469US | NUWAVE-TECHNOLOGY-INC - Nuwave Technology Inc | 256 | — | 1 |
| AS400477US | ALASKA-COURT-SYSTEM - Alaska Court System | 256 | 4.1K | 2 |
| AS11959US | T-CENTER - AEG | 256 | — | 1 |
| AS26098US | GAA - Greensboro Auto Auction | 256 | — | 1 |
| AS13596US | RYMAX-CORP - Rymax Corp | 256 | — | 1 |
| AS33669US | MEHARRY-I2 - Meharry Medical College | 256 | — | 1 |
| AS25639US | CENTERTECH - The Center for Rural Development, Inc. | 256 | 1 | 2 |
| AS395671US | TENABLE-NETWORK-SECURITY-INC - Tenable, Inc. | 256 | — | 1 |
| AS401891US | UNIVERSAL-BROADBAND-AS - AeroSurf | 256 | — | 1 |
| AS53382US | MBFCL - MBF Clearing Corp. | 256 | — | 1 |
| AS46367US | URSAS - UTAH RETIREMENT SYSTEMS | 256 | — | 1 |
| AS22897US | 84LUMB-CORP - 84 LUMBER COMPANY | 256 | — | 1 |
| AS394442US | PCBF-NYC1 - Pearl Capital Business Funding LLC | 256 | — | 1 |
| AS394382US | EL-DALLAS - Elevated Computing LLC | 256 | — | 1 |
| AS395859US | INTERNETCONNECT - Internet Connect, LLC. | 256 | — | 1 |
| AS394948US | EDF-RE - EDF Renewables, Inc. | 256 | — | 1 |
| AS22656US | SINE-NOMINE-ASSC - Sine Nomine Associates Inc. | 256 | — | 1 |
| AS23335US | ARKNET-AIRFI - ArkNet AirFi LLC | 256 | — | 1 |
| AS393849US | PALOS-GARZA - Palos Garza Forwarding, LLC | 256 | — | 1 |
| AS40919US | FIDELITYEXPRESS - FIDELITY EXPRESS | 256 | — | 1 |
| AS402686US | WM-ASN - WOOD-MIZER, | 256 | — | 1 |
| AS397371US | HCDE-TEXAS - Harris County Department of Education Public Facil | 256 | — | 1 |
| AS30242US | SAMSA - SAMSA | 256 | — | 1 |
| AS19268US | MCHEST-NOC-1 - MChest | 256 | — | 1 |
| AS7064US | WBMLP-MUNI-01 - West Boylston Municipal Light Plant | 256 | — | 1 |
| AS394355US | MGRM - MGRM Pinnacle, Inc. | 256 | — | 1 |