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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 | 3,134 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 218.2M | 25,263 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 641 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,336 |
| 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.
32,247 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 | 3,900 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,004 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,350 |
| — |
| — |
| 0 |
| AS396871US | ECKOH-INC - ECKOH INC. | — | — | 0 |
| AS396880US | ORL01-PEOPLESHOST - Complete Digital Solutions, LLC. | — | — | 0 |
| AS396942US | KDOH-ASN - Kings Daughters Medical Center | — | — | 0 |
| AS397014US | FARMERS-AND-MERCHANTS-BANK - Farmers and Merchants Bank of Long Beach | — | — | 0 |
| AS397052US | PACIFIC-WAVE-WESTERN-REGION-NETWORK - Pacific Wave | — | — | 0 |
| AS397135US | NNMC-ASN-1 - Northern New Mexico College | — | — | 0 |
| AS397145US | RANGELEY - Rangeley Internet Company, LLC | — | — | 0 |
| AS397152US | MEI-ASN-01 - Methode Electronics, Inc. | — | — | 0 |
| AS397194US | VRSN-AC28 - VeriSign Global Registry Services | — | — | 0 |
| AS397195US | VRSN-AC28 - VeriSign Global Registry Services | — | — | 0 |
| AS397236US | SECURITYSERVICES - Vercara, LLC | — | — | 0 |
| AS397317US | PINDROP-SECURITY-CARRIER - Pindrop Security, Inc. | — | — | 0 |
| AS397328US | AS-BIINC - BI Incorporated | — | — | 0 |
| AS397557US | ARCTERA - Arctera US LLC | — | — | 0 |
| AS397580US | MGS-EXIT-HUB - MIC GLOBAL SERVICES, LLC | — | — | 0 |
| AS397662US | 903-BROADBAND - 360 Broadband, LLC | — | — | 0 |
| AS397682US | HII-TSD-DR-ASN - HII Technical Solutions Corporation | — | — | 0 |
| AS397704US | FWCCL - Jimmy Swaggart Ministries | — | — | 0 |
| AS397707US | GUARDIAN - Sudo Security Group, Inc. | — | — | 0 |
| AS397842US | GREATRIVERENERGY - Great River Energy | — | — | 0 |
| AS397890US | BETTER-ASN-01 - Betterment | — | — | 0 |
| AS398137US | TRIAD-WIRELESS - Triad Wireless, LLC | — | — | 0 |
| AS398167US | CONFLUENT-IO - Confluent Incorporated | — | — | 0 |
| AS398379US | NILES-OFFICES - Warner Management Co, Ltd | — | — | 0 |
| AS398454US | DACSIX-WEST - DACS-IX | — | — | 0 |
| AS398468US | VMSNETWORKS - VMS Networks LLC | — | — | 0 |
| AS398489US | GT-BGPAS-01 - GRANT THORNTON LLP | — | — | 0 |
| AS398490US | TALLEY-TECHNICAL-SERVICES - Nextlink Broadband | — | — | 0 |
| AS398533US | DNIC-ASBLK-4BYTE - United States Department of Defense (DoD) | — | — | 0 |
| AS398553US | WES-ASN-01 - Western Midstream Operating, LP | — | — | 0 |
| AS398562US | SHAM-ENTERPRISES - Sham Enterprises | — | — | 0 |
| AS398579US | FS-01 - Froedtert South, Inc. | — | — | 0 |
| AS398582US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS398585US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS398586US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS398596US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS398609US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS398617US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS398652US | JKMOVING-STORAGE - J K MOVING & STORAGE, INC. | — | — | 0 |
| AS398660US | MICROSOFT-AZURE-DEDICATED - Microsoft Corporation | — | — | 0 |
| AS398675US | NXP-BUILD - Willis Towers Watson | — | — | 0 |
| AS398769US | GEORGIA-MILITARY-COLLEGE - Georgia Military College | — | — | 0 |
| AS398788US | GO-DADDY-COM-LLC - GoDaddy.com, LLC | — | — | 0 |
| AS398792US | GO-DADDY-COM-LLC - GoDaddy.com, LLC | — | — | 0 |
| AS398882US | MIDSTATE-NETWORKS - Midstate Networks, LLC | — | — | 0 |
| AS399021US | WEBPHASE - WebPhase | — | — | 0 |