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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 | 24,749 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 643 |
| 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.
32,226 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. | 44.8M | 2,002 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.7M | 4,282 |
| — |
| — |
| 0 |
| AS47013US | AS5-COLOAM - Colocation America Corporation | — | — | 0 |
| AS47052US | BAKER-ALLENPARK - Baker College | — | — | 0 |
| AS47084US | ROAMDATA - ROAM Data Inc. | — | — | 0 |
| AS53273US | MWC-BH-ITC - Mitchell-Wayne Technologies | — | — | 0 |
| AS53313US | SSN-US - ITRON INC. | — | — | 0 |
| AS53348US | SPACEX-SWARM - Space Exploration Technologies Corporation | — | — | 0 |
| AS53401US | DIGI-AS53401 - DigiCert, Inc. | — | — | 0 |
| AS53415US | TRB-ASN - TRB Advisors LP | — | — | 0 |
| AS53511US | EPC9D - El Paso County 911 District | — | — | 0 |
| AS53523US | MAP-COMMUNICATIONS - MAP Communications, Inc | — | — | 0 |
| AS53563US | XPLUS1 - X Plus One Solutions, Inc. | — | — | 0 |
| AS53590US | ROSETTASTONE - Rosetta Stone, LTD. | — | — | 0 |
| AS53606US | FNI-GCP - Financial Network, Inc. | — | — | 0 |
| AS53645US | USCAVC-AS - US Court of Appeals for Veterans Claims | — | — | 0 |
| AS53790US | PACIFICDATA - Pacific Data Systems | — | — | 0 |
| AS53827US | IPREMISE - iPremise, LLC | — | — | 0 |
| AS53883US | NEWPARK-RESOURCES - NPK International Inc. | — | — | 0 |
| AS53895US | HSS-INC - HSS Security, LLC | — | — | 0 |
| AS53898US | AYKSOLUTIONS - AYKsolutions, LLC. | — | — | 0 |
| AS53974US | JAZZ-NETWORK - Jazz Network Inc. | — | — | 0 |
| AS54012US | PSI-AS - PSI Services LLC | — | — | 0 |
| AS54046US | PBXIO-CHICAGO - PBXIO LLC | — | — | 0 |
| AS54052US | FRACRACKAS - Frac Rack LLC | — | — | 0 |
| AS54146US | LUCAWS - Lucidiom, inc. | — | — | 0 |
| AS54160US | TELEV-AS-1 - TeleNav, Inc. | — | — | 0 |
| AS54166US | MYRIAD-NYC - Myriad Supply | — | — | 0 |
| AS54171US | UCEA-ARIN - Union City Energy Authority | — | — | 0 |
| AS54210US | FOURSQUARE - Foursquare Labs Inc. | — | — | 0 |
| AS54243US | SAILINTERNET - Sail Internet, Inc. | — | — | 0 |
| AS54289US | EUCLID-IL - Euclid Insurance Agencies | — | — | 0 |
| AS54343US | ASN-GML-22 - Galen Management, LLC | — | — | 0 |
| AS54486US | 2S-NET - 2S.NET | — | — | 0 |
| AS54499US | SSFCU-AS - Security Service Federal Credit Union | — | — | 0 |
| AS54505US | SA-IT-SERVICES-PUBLICAS - S & A Computer Services Inc. | — | — | 0 |
| AS54524US | INETUASN2 - Flexential iNETu Corp. | — | — | 0 |
| AS54647US | HARTE-HANKS - Harte-Hanks Shoppers, Inc. | — | — | 0 |
| AS54701US | WYSE-TECHNOLOGY - Dell, Inc. | — | — | 0 |
| AS54734US | PARK-UNIVERSITY - Park University | — | — | 0 |
| AS54791US | OPTIX - Optix Media LLC | — | — | 0 |
| AS54831US | YM-TOR - DATA AXLE, INC | — | — | 0 |
| AS54850US | EPUBLISHING - ePublishing Inc | — | — | 0 |
| AS54862US | CCBC-MONACA - Community College of Beaver County | — | — | 0 |
| AS54865US | EARC-TW-ATT - E.A. Renfroe & Company, Inc. | — | — | 0 |
| AS54872US | PMHALLIANCE - Pennsylvania Mountains Healthcare Alliance LLC | — | — | 0 |
| AS55151US | TMS1025 - Technology Marketing Services LLC | — | — | 0 |
| AS55221US | NPG-AS - News-Press & Gazette Company | — | — | 0 |