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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 | 24,358 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,303 |
| 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.
32,168 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 233 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,885 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,996 |
| AS701US | UUNET - Verizon Business | 43.6M | 994 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,342 |
| — |
| — |
| 0 |
| AS63361US | FCL-ASN - FiWi Communications LLC | — | — | 0 |
| AS63485US | PATRIOT-ASN - Big | — | — | 0 |
| AS135282US | ASN-AUS - ASN-AUS | — | — | 0 |
| AS141706US | KOISHI-NETWORK-AS-AP - Koishi Network | — | — | 0 |
| AS197993US | Ausra Ausra LLC | — | — | 0 |
| AS200716US | AS-RP Rafael Possamai | — | — | 0 |
| AS203197US | SPHERES Spheres Hosting L.L.C. | — | — | 0 |
| AS203275US | missgroup Miss Group INC | — | — | 0 |
| AS206489US | PinnacleHue PinnacleHue LLC | — | — | 0 |
| AS209319US | Bitrion Spectriot LLC | — | — | 0 |
| AS211048US | ISC-TAS1 Internet Systems Consortium Inc. | — | — | 0 |
| AS213628US | kykuitent Kykuit Enterprises, LLC | — | — | 0 |
| AS213918US | EVOSERVERS-AS EVO SERVERS LLC | — | — | 0 |
| AS214264US | Bitrion Spectriot LLC | — | — | 0 |
| AS219187US | Tangtech-Internet-Services Tangtech Internet Services LLC | — | — | 0 |
| AS219509US | PRIVATESECTOR-AS PrivateSector LLC | — | — | 0 |
| AS393222US | INTERV-205 - InterVoice, Inc. | — | — | 0 |
| AS393263US | ULTRA-MOBILE - BA Telecom | — | — | 0 |
| AS393280US | CALLFIRE0 - Callfire Inc. | — | — | 0 |
| AS393284US | EL-MAITLAND-FL - Ellucian Company LP | — | — | 0 |
| AS393317US | AMAITIS-AS1 - Amaitis & Associates Inc. | — | — | 0 |
| AS393450US | CUBIC-TRANSPORTATION-SYSTEMS - Cubic Transportation Systems, Inc. | — | — | 0 |
| AS393487US | MT-315 - Matador Trading Inc | — | — | 0 |
| AS393532US | TURBOBRIDGE - TurboBridge | — | — | 0 |
| AS393611US | SAP-DC-SC - SAP America Inc. | — | — | 0 |
| AS393634US | SAP-US-ST-HEC03 - SAP America Inc. | — | — | 0 |
| AS393791US | BIDS-NJ - BIDS Trading L.P. | — | — | 0 |
| AS393923US | HIS-DR-IE - Hawaii Information Service | — | — | 0 |
| AS393944US | BASETENNET - Baseten | — | — | 0 |
| AS393970US | ECO-MATERIAL-TECHNOLOGIES-INC-01 - Eco Material Technologies Inc. | — | — | 0 |
| AS393975US | LPS-12 - Black Knight IP Holding Company, LLC | — | — | 0 |
| AS394071US | CITYOFCORVALLIS - City of Corvallis | — | — | 0 |
| AS394116US | AXIOM-TECH - chebeague.net, LLC | — | — | 0 |
| AS394296US | ACCELLION - Accellion, Inc. | — | — | 0 |
| AS394306US | RH-AS - Fairview Health Services | — | — | 0 |
| AS394338US | EDMENTUM - Edmentum, Inc | — | — | 0 |
| AS394392US | MT-ASN - Machay Technologies LLC | — | — | 0 |
| AS394464US | SCC-SUTTER - Superior Court of California, County of Sutter | — | — | 0 |
| AS394482US | ALERE-SANDIEGO-ASN - Alere San Diego, Inc. | — | — | 0 |
| AS394506US | AL-PROD-01 - AppLovin Corporation | — | — | 0 |
| AS394594US | IX-DENVER - IX-Denver | — | — | 0 |
| AS394606US | AS-WESTERNGECO - WESTERNGECO LLC | — | — | 0 |
| AS394659US | SNAP-RETIRED - CoreSite | — | — | 0 |
| AS394780US | CHKDHS - Children's Hospital of The King's Daughters Health System | — | — | 0 |
| AS394788US | BYNARIUM - BYNARIUM LLC | — | — | 0 |
| AS394818US | Y-E-C-1 - YRCI | — | — | 0 |