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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 | 25,285 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 642 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,310 |
| 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.
32,244 autonomous systems registered to United States. Click an AS for detail.
| 73M |
| 232 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.6M | 3,898 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,000 |
| AS701US | UUNET - Verizon Business | 43.6M | 992 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,356 |
| TBC-TL754 - TBConsulting LLC |
| 1K |
| — |
| 1 |
| AS26053US | SYMPHONYRETAILAI - Symphony Retail AI | 1K | — | 1 |
| AS63311US | 20C - 20C, LLC | 1K | 400 | 7 |
| AS40222US | CREDIT-ONE-AS - Credit One Bank | 1K | — | 4 |
| AS398437US | HOT-SPRINGS-TEL-01 - Hot Springs Telephone Company | 1K | — | 1 |
| AS46897US | RACKNET1 - Rack Wizards Inc | 1K | — | 1 |
| AS13382US | BSG-ORD - Business Solutions Group, LLC | 1K | 256 | 2 |
| AS54629US | AFSTORES-AS - Associated Food Stores, Inc. | 1K | — | 3 |
| AS397818US | LUMENTUMLLC - Lumentum Operations LLC | 1K | — | 4 |
| AS26303US | LSUAGCENTER - LSU AgCenter | 1K | — | 4 |
| AS400694US | RPTA-ASN-01 - Valley Metro | 1K | — | 3 |
| AS205655US | ZODOMS Zodoms International LLC | 1K | 524.3K | 5 |
| AS394620US | VCSVCS - VCSVCS Inc | 1K | — | 4 |
| AS1702US | CCHICAGO-STATE-UNIVERSITY - CHICAGO STATE UNIVERSITY | 1K | — | 1 |
| AS15088US | FNG - First Network Group Inc | 1K | 1 | 2 |
| AS397770US | TRINITYLINK - Trinity Link LLC | 1K | — | 4 |
| AS20325US | PATELCOCU - Patelco Credit Union | 1K | — | 3 |
| AS402823US | SILOCOMM-AS-1 - Silo | 1K | — | 1 |
| AS18443US | APSC - Alyeska Pipeline Service Company | 1K | — | 3 |
| AS28688US | MINDSHARE-AS WPP Group USA, Inc. | 1K | — | 3 |
| AS40502US | AAA-ACS - The Auto Club Group | 1K | — | 1 |
| AS396252US | CYBERANNEX - CYBERANNEX CORPORATION | 1K | — | 1 |
| AS1041US | KMB3 - Kimberly-Clark Corporation | 1K | — | 3 |
| AS398860US | OPTIDATA-US1 - OPTIDATA CLOUD | 1K | 65.5K | 4 |
| AS21968US | LAURINBURG - CITY OF LAURINBURG | 1K | — | 1 |
| AS399012US | DART-ASN - Des Moines Regional Transit Authority (DART) | 1K | — | 3 |
| AS17374US | WALMART - Wal-Mart Stores, Inc. | 1K | — | 3 |
| AS40460US | WECONNECT - WeConnect | 1K | — | 1 |
| AS33538US | MIMECAST-CA - Mimecast North America Inc | 1K | 2 | 4 |
| AS11521US | MODUSLINK - ModusLink Corporation | 1K | — | 4 |
| AS10908US | CLOUDFLOORAS-0 - CloudfloorDNS | 1K | 4 | 8 |
| AS202639US | ON24 ON24, Inc | 1K | — | 1 |
| AS394320US | INLNE - Inline Network Integration | 1K | — | 1 |
| AS4393US | TIME-INC - Meredith Corp. | 1K | — | 4 |
| AS398854US | ULTRANETWIFI - Ultranet, LLC | 1K | — | 2 |
| AS32987US | AS080780 - Clnetworks Inc | 1K | — | 3 |
| AS6183US | TB-NET - TB Network LLC | 1K | — | 1 |
| AS19539US | IPONLY-US-AS - IP-Only Inc | 1K | 65.5K | 2 |
| AS13450US | TIS-DC1 - Touchnet Information Systems, Inc. | 1K | — | 4 |
| AS29778US | MTSL-19-29778 - Mid-Atlantic Tech Services, LLC | 1K | — | 1 |
| AS5054US | REALNETWORKS - REALNETWORKS LLC | 1K | — | 1 |
| AS13629US | DEEM-INC - Deem, Inc. | 1K | — | 4 |
| AS395853US | NYCMESH - NYC Mesh Inc. | 1K | — | 4 |
| AS54882US | CONNECTIVITY-IN-A-BOX - Connectivity In a Box, LLC | 1K | — | 4 |
| AS398726US | CABBIT-TECH-01 - Cabbit Technology LLC | 1K | — | 1 |
| AS17318US | DOMAINTOOLS - DomainTools, LLC | 1K | — | 1 |
| AS394790US | AVERA - AVERA MCKENNAN | 1K | — | 4 |