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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 |
| 1K |
| — |
| 1 |
| AS33601US | OUTREACHBROADBAND - Outreach Broadband, Inc. | 1K | — | 3 |
| AS53933US | TELX-TOR - Telx | 1K | 257 | 3 |
| AS33488US | WATECH-1 - Providence Park Medical Building Group, LLC | 1K | — | 1 |
| AS393710US | WEBAIR-INTERNET-SINGAPORE - Webair Internet Development Company Inc. | 1K | 65.5K | 2 |
| AS32488US | COMPASSMSP - CompassMSP, LLC. | 1K | — | 4 |
| AS394737US | ANTS-TECHNOLOGY - ANTS-Technology | 1K | — | 4 |
| AS395562US | FIREBALLWIRELESS - Fireball Wireless LLC | 1K | — | 4 |
| AS400046US | ZINUS-US - Zinus Inc | 1K | — | 4 |
| AS399998US | TRUCKEE-MEADOWS-INTERNET - CENOS NETWORKS, LLC | 1K | — | 4 |
| AS394088US | SCIENCEDMZ - Agriculture Research Service | 1K | — | 3 |
| AS30523US | BOK-FINANCIAL-CORPORATION - BOK Financial Corporation | 1K | — | 4 |
| AS394404US | SMI-INET - Samaritan Ministries International | 1K | — | 3 |
| AS22716US | LOGIC-32-22716 - Logicalis | 1K | — | 1 |
| AS14195US | CONTEGO-AS - Contego Solutions LLC | 1K | — | 3 |
| AS400445US | NUSENDA-ADMIN-01 - NUSENDA FEDERAL CREDIT UNION | 1K | — | 3 |
| AS3629US | NYSERNET-BLK - NYSERNet | 1K | 1 | 2 |
| AS395151US | HEADLANDS-AS - Headlands Technologies LLC | 1K | — | 4 |
| AS22106US | STA-DRT - Samsung SDS America, Inc. | 1K | — | 4 |
| AS397018US | CLOUDPROPELLER-AS01 - Cloud Propeller | 1K | 4.1K | 5 |
| AS27358US | TRUSTMARK-INSURANCE-INTERNET - TRUSTMARK INSURANCE CO. | 1K | — | 4 |
| AS26569US | COLLEGENET - CollegeNET | 1K | 1 | 2 |
| AS36349US | 3ESSENTIALS - 3Essentials Inc. | 1K | — | 4 |
| AS395687US | SKYPULSE - SkyPulse Communications | 1K | 65.5K | 4 |
| AS394609US | INCOMM-NET1 - InComm | 1K | — | 4 |
| AS393969US | KALEIDESCAPE-INC - Kaleidescape, Inc. | 1K | — | 4 |
| AS30344US | 365-HOSTING - 365.hosting | 1K | — | 4 |
| AS22886US | ICI-ATL - Incomm | 1K | — | 4 |
| AS398947US | CABLECOLOR-MIA-01 - CABLE COLOR LLC | 1K | — | 1 |
| AS62508US | GLOBAL-US - GlobalLogic Inc. | 1K | — | 3 |
| AS395857US | MIHS - Maricopa Integrated Health System | 1K | — | 3 |
| AS12236US | HANOVER - Hanover Insurance Group, Inc. | 1K | — | 4 |
| AS400790US | CHIA - Chia Network Inc. | 1K | 4 | 8 |
| AS4445US | CWI-AS - Vodafone Americas | 1K | — | 4 |
| AS395401US | WPC-AK - Whitestone Power & Communications | 1K | 66.1K | 10 |
| AS400156US | FIBERFLY - fiberfly | 1K | — | 4 |
| AS30594US | FREESTONE-GROVE - Freestone Grove Partners | 1K | — | 4 |
| AS29874US | CAMBRI-AS1 - Cambridge Associates | 1K | — | 4 |
| AS401933US | HASHIT - HashIT | 1K | — | 4 |
| AS15324US | BARRACUDA-NETWORKS-INC - Barracuda Networks, Inc. | 1K | — | 4 |
| AS30231US | ARCADIA - Arcadia University | 1K | — | 4 |
| AS29749US | SINEWAVE - Sinewave, Inc. | 1K | 65.5K | 2 |
| AS3736US | AMERIWEB - American Webmasters Inc. | 1K | 4.1K | 4 |
| AS26137US | LNW-6601-BERMUDA-RD - Light & Wonder, Inc. | 1K | — | 1 |
| AS14136US | PCCC - PC Connection, Inc. | 1K | — | 4 |
| AS399632US | TI-DALLAS-QD-HUB - Texas Instruments Incorporated | 1K | — | 4 |
| AS214016US | Amarebox-ASN Amarebox LLC | 1K | — | 4 |