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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) | 227.5M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 218.1M | 26,023 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 643 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,308 |
| 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.
32,233 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 233 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.6M | 3,893 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,006 |
| AS701US | UUNET - Verizon Business | 43.6M | 992 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,360 |
| — |
| — |
| 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 |
| AS401267US | VERIRA - VERIRA LLC | — | — | 0 |
| AS401316US | PRAETORIAN - Praetorian Security, Inc. | — | — | 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 |
| 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 |
| 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 |
| AS402382US | NETRIO - Netrio, | — | — | 0 |
| AS402407US | AS-NEPTUNE-CUST - Neptune | — | — | 0 |
| AS402454US | HOSTBOOTH - HostBooth | — | — | 0 |
| AS402562US | UCA-AS - University | — | — | 0 |
| AS402582US | CPSO-ASN-01 - Caddo | — | — | 0 |
| AS402692US | GALVECT - Galvect | — | — | 0 |
| AS402736US | VMXCLOUD-INC - vmXcloud, | — | — | 0 |
| AS402763US | WEBFINGER-NETWORKS - WebFinger | — | — | 0 |
| AS402787US | TENSTORRENT-01 - Tenstorrent | — | — | 0 |
| AS402793US | WEST - Technical | — | — | 0 |
| AS402803US | DOMATIC - Domatic, | — | — | 0 |
| AS402856US | BITFOO - BITFOO | — | — | 0 |