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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 | 25,023 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 641 |
| 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.
32,214 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 | 2,007 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.7M | 4,282 |
| — |
| — |
| 0 |
| AS394338US | EDMENTUM - Edmentum, Inc | — | — | 0 |
| AS394392US | MT-ASN - Machay Technologies LLC | — | — | 0 |
| AS394464US | SCC-SUTTER - Superior Court of California, County of Sutter | — | — | 0 |
| AS394506US | AL-PROD-01 - AppLovin Corporation | — | — | 0 |
| AS394594US | IX-DENVER - IX-Denver | — | — | 0 |
| AS394606US | AS-WESTERNGECO - WESTERNGECO LLC | — | — | 0 |
| AS394659US | SNAP-RETIRED - CoreSite | — | — | 0 |
| AS394780US | CHKDHS - Childrens Hospital of The Kings Daughters Health System | — | — | 0 |
| AS394788US | BYNARIUM - BYNARIUM LLC | — | — | 0 |
| AS394818US | Y-E-C-1 - YRCI | — | — | 0 |
| AS394853US | APIGROUP - APi Group, Inc. | — | — | 0 |
| AS395140US | DIGIU-HQ-NET - Sangoma US Inc. | — | — | 0 |
| AS395149US | STNCLOUD-01 - STN Solutions, Inc. | — | — | 0 |
| AS395197US | TAIPEI101-UK - TAIPEI101 | — | — | 0 |
| AS395221US | AS-CXPRESS - Courier Express Holdings, Inc. | — | — | 0 |
| AS395243US | SYMBIONETWORK-LLC - Symbionetwork LLC | — | — | 0 |
| AS395424US | LOGMEIN-EMEA-1 - Goto Group, Inc. | — | — | 0 |
| AS395525US | DOCLERMEDIA-AS - Docler LA, LLC | — | — | 0 |
| AS395552US | HC-ASN - The HC Companies, Inc. | — | — | 0 |
| AS395639US | MOZILLA-YVR1 - Mozilla Corporation | — | — | 0 |
| AS395678US | VC-AS-01 - Vertical Computers | — | — | 0 |
| AS395785US | WISE-ASN-01 - WiseBroadband | — | — | 0 |
| AS395874US | BGP-PEERING - Turner Acceptance Corp | — | — | 0 |
| AS395889US | PACIFIC-RESEARCH-PLATFORM - Pacific Wave | — | — | 0 |
| AS395949US | SAP-DC-CH - SAP America Inc. | — | — | 0 |
| AS395970US | EN-CONSULTING - EAMONN NUGENT CONSULTING LLC | — | — | 0 |
| AS395992US | AXIS-AWS - HEWLETT PACKARD ENTERPRISE COMPANY | — | — | 0 |
| AS396139US | ECHOWIBB - Resound Networks, LLC | — | — | 0 |
| AS396180US | AS-NNENIX - NNENIX | — | — | 0 |
| AS396184US | MSCC-SOC - Microsemi Corporation | — | — | 0 |
| AS396378US | ENTELIJAN - Entelijan | — | — | 0 |
| AS396397US | CIVANONET-1 - civanoNET, llc | — | — | 0 |
| AS396434US | SAP-DC-TO - SAP America Inc. | — | — | 0 |
| AS396436US | STUDIO-PRODUCTIONS - CBS Corporation | — | — | 0 |
| AS396463US | MICROSOFT-CORP-AS-BLOCK-MSIT - Microsoft Corporation | — | — | 0 |
| AS396523US | HC-CUST-01 - Health Catalyst, Inc. | — | — | 0 |
| AS396532US | FI-TEK - Fi-Tek LLC | — | — | 0 |
| AS396541US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396564US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396578US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396586US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396603US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396607US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396619US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396631US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396632US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |