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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) | 227.7M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 219M | 23,661 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 645 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,361 |
| 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.
32,363 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 236 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 439 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.8M | 3,911 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 45M | 2,046 |
| AS701US | UUNET - Verizon Business | 43.6M | 996 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.8M | 4,490 |
| 512 |
| — |
| 2 |
| AS402247US | FLEW - flew llc | 512 | 18 | 5 |
| AS2695US | RJRT01-TOB1 - RJ Reynolds Tobacco Company | 512 | — | 2 |
| AS36011US | AHSYS-ASN - Atlantic Health System | 512 | — | 2 |
| AS46458US | SAVINGCALL - Saving Call LLC | 512 | — | 2 |
| AS396387US | EZINE-AS - EZINE INDUSTRIES INC | 512 | — | 2 |
| AS27180US | ACETOMATO - Ace Tomato Company | 512 | 512 | 4 |
| AS400597US | SILICONDUST - Silicondust USA, Inc. | 512 | 2 | 4 |
| AS395134US | CITYOFDAVIS - City of Davis | 512 | 256 | 3 |
| AS395613US | ASNFPT300 - Footprint Solutions | 512 | — | 2 |
| AS393824US | APOG-LENOIR-RHYNE - Apogee Telecom Inc. | 512 | — | 1 |
| AS6967US | AS6967 - Metronet | 512 | — | 2 |
| AS12061US | 24HOURFITNESS - 24 Hour Fitness USA, Inc. | 512 | 4.1K | 2 |
| AS283US | MPOWERLABS - MPower Labs, Inc. | 512 | — | 2 |
| AS55104US | BIOC-ASN - BioClinica, Inc. | 512 | — | 2 |
| AS396325US | FUSION-NETWORKS - Fusion Networks Enterprises LLC, The | 512 | — | 2 |
| AS19972US | AS19972 - CommScope Technologies LLC. | 512 | — | 2 |
| AS1447US | CHIPOTLE-MEXICAN-GRILL-INC - Chipotle Mexican Grill, INC | 512 | — | 2 |
| AS46952US | CALYON-1301 - Calyon America Services, Inc. | 512 | — | 2 |
| AS19225US | IMVU-AS - IMVU, Inc | 512 | — | 2 |
| AS398701US | SLEEPNUMBER-01 - Sleep Number Corporation | 512 | — | 2 |
| AS399222US | NEWCOM-01 - NEWCOM, INC | 512 | — | 2 |
| AS398406US | ASPHALT-MATERIALS-INC - ASPHALT MATERIALS, INC | 512 | — | 2 |
| AS54223US | ETRAILER - etrailer Corporation | 512 | — | 2 |
| AS394997US | NEXUM-ABQ-ASN - Nexum, Inc. | 512 | — | 1 |
| AS23223US | TOTAL-QUALITY-LOGISTICS-INC - Total Quality Logistics LLC | 512 | — | 2 |
| AS29782US | VTI-AS29782 - Videojet Technologies Inc. | 512 | — | 2 |
| AS18448US | GIANTEAGLE - GIANT EAGLE, INC. | 512 | — | 2 |
| AS54732US | DOW-NETWORKS - Dow Networks | 512 | — | 1 |
| AS393562US | MOB-ASN - Mobilitie, LLC | 512 | 6 | 8 |
| AS26102US | CALIBRE6354 - CALIBRE Systems Inc. | 512 | — | 2 |
| AS393699US | OWNED-NETWORKS - Owned-Networks LLC | 512 | 1 | 3 |
| AS26963US | CCCU-1 - City & County Credit Union | 512 | — | 2 |
| AS198365US | versa-eu-asn-01 Versa Networks Inc | 512 | — | 2 |
| AS46169US | GTOWN - City of Georgetown | 512 | — | 2 |
| AS153453US | HONGSHIN-AS-AP - Hongshin, Inc. | 512 | — | 2 |
| AS400651US | APOG-CARLOW - Apogee Telecom Inc. | 512 | — | 2 |
| AS47018US | CE-BGPAC - Covenant Eyes, Inc. | 512 | — | 2 |
| AS394333US | TRANSATEL-US - TRANSATEL | 512 | 65.5K | 3 |
| AS26549US | MY-PBX-MANAGER - The Flat Planet Phone Company Inc. | 512 | 2 | 4 |
| AS393535US | FORTBENDCOUNTY - Fort Bend County | 512 | — | 2 |
| AS395953US | WLN-ASID - World Line Networks | 512 | — | 2 |
| AS26957US | SSG-OHIO-MDC - SSG OHIO | 512 | — | 2 |
| AS397066US | NYU-HSRN-01 - New York University | 512 | — | 2 |
| AS13928US | ITRIG-ASN1 - IT Right, Inc | 512 | — | 2 |
| AS397989US | COP-CH - City of Portsmouth, Virginia | 512 | — | 2 |
| AS401401US | UNREDACTED-NOISENET - Unredacted Inc | 512 | 2 | 4 |