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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. | 218M | 24,389 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,302 |
| 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.
32,169 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 | 51.5M | 3,885 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,996 |
| AS701US | UUNET - Verizon Business | 43.6M | 994 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,341 |
| — |
| — |
| 0 |
| AS10252US | DOTNETUNIFIEDNETWORK - Dot-Net, Ltd | — | — | 0 |
| AS10259US | BLUEMOON - Blue Moon Online System | — | — | 0 |
| AS10286US | LEGACY-TIESOFT-STLSMO-LEGACY - TIESoft Internet Marketing Ltd. | — | — | 0 |
| AS10295US | COMPUTERDOTNET - Computer.Net LLC | — | — | 0 |
| AS10303US | AS-PRIORI - Priori Networks | — | — | 0 |
| AS10319US | ADVANTANET - Advanta Corporate Technology | — | — | 0 |
| AS10323US | PLANET - Planet Systems Network, Inc. | — | — | 0 |
| AS10333US | DIGITALINSIGHT - Digital Insight Corporation | — | — | 0 |
| AS10338US | COBITE - Communications Billing Technologies | — | — | 0 |
| AS10375US | WELLSFARGO-10372-10376 - Wells Fargo Bank, N.A. | — | — | 0 |
| AS10380US | NETXS - Net XS Communications | — | — | 0 |
| AS10447US | SKYLINKUS-AS1 - Skylink Networks, Inc. | — | — | 0 |
| AS10471US | THOMSON-REUTERS - Thomson Information Services | — | — | 0 |
| AS10496US | LIVINGSTON - Livingston Enterprises, Inc. | — | — | 0 |
| AS10525US | PEARSON-NA-2 - NCS Pearson Inc. | — | — | 0 |
| AS10543US | UPTIMEWEB - Uptime Computer Services, Inc. | — | — | 0 |
| AS10638US | KANA - Kana.Com | — | — | 0 |
| AS10710US | USCATL - TRS Solutions, LLC | — | — | 0 |
| AS10776US | NETSCAN - NETSCAN Technology Corporation | — | — | 0 |
| AS10816US | DESKTALK-AS - DeskTalk Systems, Inc. | — | — | 0 |
| AS10825US | CENTURYLINK-QC-MOE-DENVER-COLORADO-SPRINGS - CenturyLink Communications, LLC | — | — | 0 |
| AS10829US | CENTURYLINK-QC-MOE-ALBUQUERQUE - CenturyLink Communications, LLC | — | — | 0 |
| AS10830US | CENTURYLINK-QC-MOE-SEATTLE - CenturyLink Communications, LLC | — | — | 0 |
| AS10836US | ASN-NJCC - New Jersey Computer Connection | — | — | 0 |
| AS10862US | CURTISMATHES - Curtis Mathes | — | — | 0 |
| AS10872US | DV-ASN - Digital Visions | — | — | 0 |
| AS10876US | MAOZ-ASN - MAOZ.COM | — | — | 0 |
| AS10904US | EQUISTAR-AS - EQUISTAR Petrochecmical Company | — | — | 0 |
| AS10945US | CORP-LINDON - ROI Solutions, LLC | — | — | 0 |
| AS10976US | 8X8-FUZE - 8x8, Inc. | — | — | 0 |
| AS10989US | CTI-AS-2 - CTI Networks Inc. | — | — | 0 |
| AS11027US | MENOMONEE-FALLS-WI-01 - Village of Menomonee Falls | — | — | 0 |
| AS11104US | CENTURYLINK-QC-MOE-BOISE - CenturyLink Communications, LLC | — | — | 0 |
| AS11147US | VRIS-11145-11149 - Verizon Business | — | — | 0 |
| AS11173US | NMIX - Oso Grande Technologies, Inc. | — | — | 0 |
| AS11226US | CENTURYLINK-QC-MOE-CEDAR-RAPIDS - CenturyLink Communications, LLC | — | — | 0 |
| AS11292US | TICKETMASTER-AWS-SEATTLE - Live Nation Entertainment, Inc. | — | — | 0 |
| AS11316US | CRITICL-AI - CriticL.ai | — | — | 0 |
| AS11454US | DRILLINGINFO-DENVER - Drilling Info Inc. | — | — | 0 |
| AS11477US | GOC-AS - VC3, Inc. | — | — | 0 |
| AS11480US | CITY-SIOUXFALLS - City of Sioux Falls | — | — | 0 |
| AS11485US | AIP-CALI-ASN - American Institute of Physics Incorporated | — | — | 0 |
| AS11547US | WORKSOFT-01 - Worksoft, Inc | — | — | 0 |
| AS11554US | SOLIDNETWORK-AS-01 - SolidNetwork Technologies, Inc. | — | — | 0 |
| AS11555US | SHCS - Liquid Web, L.L.C | — | — | 0 |
| AS11559US | OTSR-AS - Outseer LLC | — | — | 0 |