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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 | 24,512 |
| 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.
32,235 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 | 4,281 |
| — |
| — |
| 0 |
| AS400256US | AS-DHOSTING - dhosting.com, Inc. | — | — | 0 |
| AS400374US | MVC-WIRELESS - Mission Valley Communications, LLC. | — | — | 0 |
| AS400380US | PERMIAN-FIBER - PIONEER NATURAL RESOURCES USA | — | — | 0 |
| AS400573US | MICROSOFT-AZURE-DEDICATED - Microsoft Corporation | — | — | 0 |
| AS400603US | SANCTIONS-BEACON-32BIT - Sanctions | — | — | 0 |
| AS400658US | MHS-CC-1 - MERCY MEDICAL CENTER | — | — | 0 |
| AS400665US | DOBSON-ASN-02 - Dobson Technologies - Transport and Telecom Solutions, LLC | — | — | 0 |
| AS400693US | KPAUL-ASN - KPaul | — | — | 0 |
| AS400794US | PERAMIX-001 - Peramix Inc | — | — | 0 |
| AS400804US | ON-001 - Osage Nation | — | — | 0 |
| AS400841US | COVERTHART-AS-400841 - CovertHart Networks | — | — | 0 |
| AS400849US | SUTTER - County of Sutter | — | — | 0 |
| AS400854US | FBCWPBF - Family Church | — | — | 0 |
| AS400875US | VMW-NASA-IPV6 - Avago Technologies U.S. Inc. | — | — | 0 |
| AS400878US | VMW-NASA-IPV6 - Avago Technologies U.S. Inc. | — | — | 0 |
| AS401057US | RCL-FIBER - Ruesch Consulting, LLC | — | — | 0 |
| AS401122US | UHQ - UHQ Services LLC | — | — | 0 |
| AS401145US | VSRA-ASN - VPSrack LLC | — | — | 0 |
| AS401150US | BBM-146-ASN-1 - BLUE CROSS & BLUE SHIELD OF MISSISSIPPI, A MUTUAL INSURANCE COMPANY | — | — | 0 |
| AS401159US | LF - Linkfluence LLC | — | — | 0 |
| AS401188US | AS401188 - Blue Arctic LLC | — | — | 0 |
| AS401226US | AS-NULLZERO-01 - Nullzero Networks LLC | — | — | 0 |
| AS401356US | PANDA-TECHNOLOGIES - Panda | — | — | 0 |
| AS401364US | ARIANDB-DK-100 - ARIAN DESIGN, L.L.C. | — | — | 0 |
| AS401501US | SHAREINTRA01 - ARCWOOD ENVIRONMENTAL, INC. | — | — | 0 |
| AS401676US | OASIS-NETWORKS - OASIS NETWORKS | — | — | 0 |
| AS401699US | OIZ - Oiz Networks LLC | — | — | 0 |
| AS401702US | LEKT-NET - Lower Elwha Klallam Tribe | — | — | 0 |
| AS401789US | DUMPSTER - Dumpster Fire Systems LLC | — | — | 0 |
| AS401792US | PAHO - Pan American Health Organization | — | — | 0 |
| AS401848US | ELYSIAN-NETWORKS - Elysian Networks LLC | — | — | 0 |
| AS401849US | HYPERION-NETWORK - Hyperion Telecom LLC | — | — | 0 |
| AS401880US | KESHIA-SERVICES-FINANCIAL-SYSTEMS - Keshia Services Inc. | — | — | 0 |
| AS401940US | HSTCUST - H.S.T. SYSTEMS AND TECHNOLOGY, INC. | — | — | 0 |
| AS401945US | EIDC-NET-LLC - EIDC.NET LLC | — | — | 0 |
| AS402025US | WCS-WHOLE-150 - WCS | — | — | 0 |
| AS402054US | BCR - Brass City Residences Inc. | — | — | 0 |
| AS402071US | GLOWNOURISH - GlowNourish | — | — | 0 |
| AS402085US | AYIT-02 - Aja security | — | — | 0 |
| AS402124US | MUS-BGP-ROUTE - Milsoft Utility Solutions, Inc. | — | — | 0 |
| AS402181US | RIFTHOSTING-LLC - Rift Hosting, LLC | — | — | 0 |
| AS402203US | RAC - RAC Network LLC | — | — | 0 |
| AS402225US | LUMEXAIMAGING-ASN-02 - Lumexa Imaging | — | — | 0 |
| AS402228US | AFN-CLD - Arctic Fox Networks Inc | — | — | 0 |
| AS402241US | SECUREINDUSTRIES-DEFENSX - Secure Industries, Inc. | — | — | 0 |
| AS402269US | AS-1 - Abysius Inc. | — | — | 0 |