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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 | 23,695 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 643 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,300 |
| 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.
32,143 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 232 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,820 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,994 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,278 |
| — |
| — |
| 0 |
| AS395520US | PLATFORM9 - Platform9 | — | — | 0 |
| AS395264US | TREKNETWORKS - Network Resource Technologies Corp | — | — | 0 |
| AS396088US | SOMNET-AS-01 - SOMCO LLC | — | 1 | 1 |
| AS396608US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS394906US | PTI-SANDPOINTDC - PROTELLIGENT, INC. | — | — | 0 |
| AS394686US | CL-200 - Clearent LLC | — | — | 0 |
| AS394618US | NEXTGEAR-CAPITAL-EXPEDIENT - NextGear Capital, Inc. | — | — | 0 |
| AS14880US | TECHOPS-ASN-5 - Live Nation Entertainment, Inc. | — | — | 0 |
| AS4376US | DSW-INET - Dahlin Smith White, Inc. | — | — | 0 |
| AS397798US | MSGTEL - MSG Tel, Inc. | — | — | 0 |
| AS397615US | RTVI - RTVI | — | — | 0 |
| AS218794US | XORIST James Jones | — | 1 | 1 |
| AS14919US | NETSUITE-PROD - Oracle Corporation | — | — | 0 |
| AS16510US | IHSENERGY-FIELDDIRECT - IHS Global, Inc. | — | — | 0 |
| AS15240US | INSIGHT2PROFIT - Insight2Profit | — | — | 0 |
| AS15216US | HOSTWAY - Ntirety, Inc. | — | — | 0 |
| AS14716US | ASTREA-CCI-LAB - Lighthouse.net | — | — | 0 |
| AS398353US | USCIS-ASN-01 - USCIS | — | — | 0 |
| AS14629US | ASN-PFCS - PFCS Corporation | — | — | 0 |
| AS402004US | RS - Rui Sun, Sole Proprietorship | — | 2 | 2 |
| AS12224US | CITYOFNEWHAVEN - City of New Haven | — | — | 0 |
| AS17299US | LINKGRID-ASN - VinAudit.com, Inc. | — | — | 0 |
| AS17186US | DSTHS-ASN - DST Health Solutions | — | — | 0 |
| AS14517US | REACHONE - Rainier Connect | — | — | 0 |
| AS12064US | ASN-CXA-HR-12064-CBS - Cox Communications Inc. | — | — | 0 |
| AS16579US | RADIANZ - BT Americas, Inc | — | — | 0 |
| AS13346US | CENTURION-MEDICAL-PRODUCTS - Centurion Medical Products Corporation | — | — | 0 |
| AS399711US | SPLISHCO - Splish Co., LLC | — | — | 0 |
| AS398811US | EQUINIX-EC-BO - Equinix, Inc. | — | — | 0 |
| AS398619US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS398605US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS400889US | SPARC-GROUP-01 - SPARC Group LLC | — | — | 0 |
| AS398510US | DNIC-ASBLK-4BYTE - United States Department of Defense (DoD) | — | — | 0 |
| AS400857US | POLKSTATECOLLEGE - Polk State College | — | — | 0 |
| AS397955US | DEEPSOUTHCOMMUNICATIONS - Deep South Communications LLC | — | 1 | 1 |
| AS396796US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS400122US | LIBERTY-LINK-WINDSOR - Liberty Link LLC | — | — | 0 |
| AS401919US | AS401919 - Pinehurst Networks | — | 2 | 2 |
| AS399657US | PASADENA-CITY-COLLEGE - Pasadena City College | — | — | 0 |
| AS397117US | MEDIUM-01 - A Medium Corporation | — | — | 0 |
| AS30581US | SUNOAKI-NET - Sunoaki Network LLC | — | 1 | 1 |
| AS397064US | BAYFIELD-WIRELESS - Bayfield Wireless | — | — | 0 |
| AS197962US | HOOP7MOBILETELECOM-AS 7HOOP MOB TELECOM LLC | — | 98.3K | 24 |
| AS18726US | SECUREWORKS-18726 - SecureWorks Corp | — | — | 0 |
| AS396694US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS397758US | DATAROBOT-01 - DataRobot, Inc. | — | — | 0 |