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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 |
| AS21932US | AVISTAINC - AVISTA, INCORPORATED | — | — | 0 |
| AS21948US | BROCADE - Avago Technologies U.S. Inc. | — | — | 0 |
| AS21979US | ASN1 - Royce & Associates, LLC | — | — | 0 |
| AS22023US | MZ-PROD - AppLovin Corporation | — | — | 0 |
| AS22039US | SAM-ASN - SAM | — | — | 0 |
| AS22146US | LANDAM - Oak Point Partners | — | — | 0 |
| AS22183US | CISCO-ROS - CISCO SYSTEMS, INC. | — | — | 0 |
| AS22239US | TRADINGTECH-CORP - Trading Technologies Intl, Inc. | — | — | 0 |
| AS22443US | DELTA-SOFTWARE-SUPPORT - Delta Software Support | — | — | 0 |
| AS22659US | KK8880 - Kloud Konnect | — | — | 0 |
| AS22758US | SAPIENT-DCO - Sapient Corporation | — | — | 0 |
| AS22777US | GIBNEY-ANTHONY-FLAHERTY - Gibney, Anthony & Flaherty, LLP. | — | — | 0 |
| AS22835US | BDLAWBGP - Beveridge & Diamond, P.C. | — | — | 0 |
| AS22849US | CINGULAR-AW - AT&T Services, Inc. | — | — | 0 |
| AS22901US | ATL-OFFICE - Noble Systems Corporation | — | — | 0 |
| AS22929US | VC3 - VC3, Inc. | — | — | 0 |
| AS22986US | LT-ASN-001 - Loxia Technologies, Inc. | — | — | 0 |
| AS23061US | PIPELCC-AS - Pipe Networks LLC | — | — | 0 |
| AS23148US | TERRENAP - Verizon Business | — | — | 0 |
| AS23151US | TERC-1 - TERC, INC. | — | — | 0 |
| AS23292US | MILLENIUM-DIGITAL - Wave Broadband | — | — | 0 |
| AS23340US | GALAXYGATE-EDGE - GALAXYGATE, LLC | — | — | 0 |
| AS23375US | TEMA-COMMUNICATIONS-01 - Tennessee Emergency Management Agency | — | — | 0 |
| AS23391US | OASIS-SALUDA - Breezeline | — | — | 0 |
| AS23450US | NSX - NDIT Solutions | — | — | 0 |
| AS23460US | CISCO-SECURITY-CONSULTING-DNET - CISCO SYSTEMS, INC. | — | — | 0 |
| AS25601US | FOWLERVILLE - FreedomNet | — | — | 0 |
| AS25756US | MS-SOC - Gen Digital Inc. | — | — | 0 |
| AS25865US | PINNA-86 - Pinnacle Telecom, LLC. | — | — | 0 |
| AS25874US | LS-1 - Liquidity Services Inc. | — | — | 0 |
| AS25900US | COFL-BGP-AS - City of Fort Lauderdale | — | — | 0 |
| AS25947US | PILOTAIRFREIGHT - Pilot Air Freight Corp | — | — | 0 |
| AS25986US | IEX-MARKET-3 - IEX Group, Inc. | — | — | 0 |
| AS25995US | CALTELEHEALTHNET - California Telehealth Network | — | — | 0 |
| AS26041US | MINDSHARE - Mindshare Design, Inc. | — | — | 0 |
| AS26166US | WATCHCOMM-WEST-OH - Watch Communications | — | — | 0 |
| AS26242US | EHL-73-26242 - Envoi | — | — | 0 |
| AS26312US | AXIA-TECHNOLOGY-PARTNERS-LLC - Axia Technology Partners, LLC | — | — | 0 |
| AS26340US | WEBINAR - ARIN Routing Security | — | — | 0 |
| AS26350US | CDASN - Complex Drive Holdings, LLC | — | — | 0 |
| AS26352US | SHIPCO-TRANSPORT - Shipco Transport | — | — | 0 |
| AS26393US | NORFOLK-IX-ROUTE-SERVERS - Richmond-IX Corporation | — | — | 0 |
| AS26491US | GEEKSTORAGE - GEEKSTORAGE.COM, LLC | — | — | 0 |
| AS26537US | FITCHRATINGS-NEWYORK - FITCHRATINGS | — | — | 0 |
| AS26568US | JADE - Jade Communications LLC | — | — | 0 |
| AS26570US | EXCALTECH-NOC - Excalibur Technology Corporation | — | — | 0 |