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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 | 3,135 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,289 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,267 |
| 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.
31,994 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 413 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,731 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,972 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,335 |
| WESTMINSTER-COLLEGE-01 - Westminster College |
| — |
| — |
| 0 |
| AS398789US | GO-DADDY-COM-LLC - GoDaddy.com, LLC | — | — | 0 |
| AS398798US | RSCLOUD - Resource Stack, Inc | — | — | 0 |
| AS398941US | EWTN-ORG - Eternal Word Television Network Inc | — | — | 0 |
| AS398955US | CARRIERX-LA-01 - FreeConferenceCall.com | — | — | 0 |
| AS399057US | ENTCOLO-01 - Ent Credit Union | — | — | 0 |
| AS399074US | FLEXWORX-01 - FlexWorx | — | — | 0 |
| AS399125US | FIRESCROLL - Fire Scroll, LLC | — | — | 0 |
| AS399248US | S2-NETWORKS - S2 Networks LLC | — | — | 0 |
| AS399453US | JHS-B2B - Jackson Memorial Hospital, Public Health | — | — | 0 |
| AS399473US | AB-INITIO-01 - Ab Initio Software Development | — | — | 0 |
| AS399475US | SOUTHERN-MICHIGAN-INTERNET - SOUTHERN MICHIGAN INTERNET LLC | — | — | 0 |
| AS399531US | GIGGL - Hop, Inc | — | — | 0 |
| AS399608US | GSIC-CO - Radial, Inc. | — | — | 0 |
| AS399779US | MOCIX - HYEHOST LLC | — | — | 0 |
| AS399791US | PROCARE-MSO - Procare MSO, LLC | — | — | 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 |
| AS400738US | VENNBIO - Intervenn Biosciences | — | — | 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 |