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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 |
| — |
| — |
| 0 |
| AS399792US | ACUMED-04 - Acumed, LLC | — | — | 0 |
| AS399854US | ADSI-01 - APPLIED DATA SYSTEMS, INC. | — | — | 0 |
| AS399954US | PROMCOMM-1 - Perfect Cloud Solutions | — | — | 0 |
| AS400029US | KYN-GTS - Kyndryl | — | — | 0 |
| AS400059US | MRH-39-BGP-ASN - Memorial Regional Health | — | — | 0 |
| AS400195US | BISIGNES-01 - Bisignes Consulting LLC | — | — | 0 |
| AS400214US | TELZIO - Telzio, Inc. | — | — | 0 |
| AS400235US | WEBCLOUDX LLC - WebCloudX LLC | — | — | 0 |
| AS400241US | SSI-PHYSEC-01 - Schnitzer Steel Industries, Inc. | — | — | 0 |
| AS400252US | NOVARAD-PDC - Novarad Corporation | — | — | 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 |
| 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 |