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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 | 3,138 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.1M | 21,110 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,246 |
| 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 | 398 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,708 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,954 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,419 |
| — |
| — |
| 0 |
| AS400254US | WT-JACK - Wolverine Trading, LLC | — | — | 0 |
| AS400434US | MICROAUTONOMICS - MicroAutonomics | — | — | 0 |
| AS400569US | NTS-ASN-FREE - Vexus Fiber | — | — | 0 |
| AS400746US | GO-DADDY-COM-LLC - GoDaddy.com, LLC | — | — | 0 |
| AS400750US | GO-DADDY-COM-LLC - GoDaddy.com, LLC | — | — | 0 |
| AS400802US | SQUIRREL-NET-01 - Squirrel Logic LLC | — | — | 0 |
| AS400827US | HCDL-VIRGINIA-DATA-CENTER - H5 Data Centers | — | — | 0 |
| AS400864US | TNX-DFW1 - Telnetrix, LLC | — | — | 0 |
| AS400881US | VMW-NASA-IPV6 - Avago Technologies U.S. Inc. | — | — | 0 |
| AS401046US | RFISD-NOC - Rockport-Fulton Independent School District | — | — | 0 |
| AS401093US | SARAPLUS-AZURE-02 - SARA Plus, LLC | — | — | 0 |
| AS401096US | AS - EchoSphere Tech LLC | — | — | 0 |
| AS401121US | HENNET - Hennepin County | — | — | 0 |
| AS401176US | OVZON - Ovzon | — | — | 0 |
| AS401221US | EVG-SYS - Evergreen | — | — | 0 |
| AS401321US | ECUATEK-SOLUTIONS-01 - ECUATEK-SOLUTIONS | — | — | 0 |
| AS401334US | MSCI-BRANCHES - Barra International, LLC | — | — | 0 |
| AS401404US | VIPERHOST-LLC - ViperHost LLC | — | — | 0 |
| AS401411US | HCC - Haywood Community College | — | — | 0 |
| AS401428US | BDCALLING-LLC - bdCalling LLC | — | — | 0 |
| AS401464US | ASVA-NET-01 - ASVA NETWORKS LLC | — | — | 0 |
| AS401465US | TICKETNETWORK-HQ - TicketNetwork Inc. | — | — | 0 |
| AS401482US | IERUS-TECHNOLOGIES-INC - IERUS Technologies, Inc. | — | — | 0 |
| AS401565US | SPERO1 - Spero Financial | — | — | 0 |
| AS401570US | NUYEK-TESTING - Nuyek, LLC | — | — | 0 |
| AS401589US | PROD - Neal, Gerber & Eisenberg LLP | — | — | 0 |
| AS401644US | OPTIMASERVERS - Optima Servers Inc | — | — | 0 |
| AS401769US | TPM - TRINITY PETROLEUM MANAGEMENT, LLC | — | — | 0 |
| AS401889US | DATASPHERE-IX - Infinitron Internet LLC | — | — | 0 |
| AS401976US | NEXTHOP-AS - Nexthop Systems Inc | — | — | 0 |
| AS402001US | CERTIDA-AC - Certida LLC | — | — | 0 |
| AS402077US | MSE-01 - Monumental Sports & Entertainment | — | — | 0 |
| AS402089US | GEICO-ION - GEICO | — | — | 0 |
| AS402110US | ERICA LEONARD PUBLISHING LLC - Erica Leonard Publishing | — | — | 0 |
| AS402113US | SMITH COUNTY - Smith County | — | — | 0 |
| AS402120US | VICINITY - Vicinity | — | — | 0 |
| AS402126US | TRITAN-INTERNET-LLC - Tritan Internet LLC | — | — | 0 |
| AS402200US | CONFLUENCE-VNXT - Confluence Technologies | — | — | 0 |
| AS402204US | OBOLIUM - Obolium Network LLC | — | — | 0 |
| AS402293US | STRATA-ZONE-1 - Strata, Inc. | — | — | 0 |
| AS402305US | NOVONODE - Quality Servers LLC | — | — | 0 |
| AS402361US | PEI-99 - Perry | — | — | 0 |
| AS402382US | NETRIO - Netrio, | — | — | 0 |
| AS402390US | WITL-US-AS - Wisewave | — | — | 0 |
| AS402396US | CLOUDASYS - Cloudasys | — | — | 0 |
| AS402407US | AS-NEPTUNE-CUST - Neptune | — | — | 0 |