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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. | 218.1M | 24,635 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 642 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,306 |
| 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.
32,220 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 | 3,891 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,003 |
| AS701US | UUNET - Verizon Business | 43.6M | 992 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,360 |
| — |
| 23 |
| 5 |
| AS400395US | HONGSHIN-AS-NA - Hongshin, Inc. | — | 1 | 1 |
| AS401919US | AS401919 - Pinehurst Networks | — | 2 | 2 |
| AS200690US | YOURSUNNY-AS Junxiao Shi | — | 39 | 9 |
| AS395887US | RYAMER-ENTERPRISE - Ryamer, LLC | — | 256 | 1 |
| AS395661US | USENET-SOLUTIONS - Usenet Solutions LLC | — | 3 | 3 |
| AS399975US | NSWAT - NetSWAT LLC | — | 1M | 10 |
| AS401431US | BLUE-QUARTZ-0 - Blue Quartz | — | 6 | 6 |
| AS5669US | VIA-NET-WORKS-AS - GTT Americas, LLC | — | 256 | 1 |
| AS62925US | CRENET-ASN-01 - CRE NETWORK, LLC | — | 32 | 2 |
| AS203069US | Thomas-Brown Thomas Riley Brown | — | 65.8K | 6 |
| AS206493US | YUKI-SYSTEMS-AS Alexander Neustadter | — | 1 | 1 |
| AS218789US | Soundvia-ASN Soundvia LLC | — | 1 | 1 |
| AS32995US | LIBERTY-CHRISTIAN-SCHOOL-01 - Liberty Christian School | — | 1 | 1 |
| AS399624US | LECTRON - Lectron | — | 256 | 1 |
| AS400148US | BULK-SOLUTIONS-01 - Bulk Solutions, LLC | — | 256 | 1 |
| AS139242US | CSL-AS-AP - Cloudflare Sydney, LLC | — | 1 | 1 |
| AS22577US | LOON - Google LLC | — | 16 | 1 |
| AS401767US | T4T-MAIN - T4T Labs | — | 1 | 1 |
| AS402664US | EHOCGL - Evergreen | — | 2.6M | 5 |
| AS203975US | Zorn-Technologies Zorn Technologies LLC | — | 1 | 1 |
| AS402402US | CELL - Infoecell | — | 1M | 2 |
| AS394557US | ROKU - Roku Inc. | — | 3 | 3 |
| AS402474US | LMESSER-LABS - Zachary | — | 256 | 1 |
| AS205336US | DEEPSPACECOW-NET Ishmael Martin-Lacayo | — | 1 | 1 |
| AS33665US | CMCS - Comcast Cable Communications, LLC | — | 2 | 2 |
| AS401533US | TGSLLC-02 - TGS, LLC | — | 1 | 1 |
| AS5887US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | 1 | 1 |
| AS35848US | GRIZZLINK - 20C, LLC | — | 16 | 1 |
| AS394593US | MATROID - Matroid, Inc. | — | 1 | 1 |
| AS19645US | IXSYSTEMS - iXSystems, Inc | — | 2 | 2 |
| AS207649US | DNDX Datong Sun | — | 2 | 2 |
| AS399196US | REDRAY-STUDIOS - REDRAY STUDIOS LLC | — | 3 | 3 |
| AS47778US | SUNOAKI-NET-BACKBONE Sunoaki Network LLC | — | 15 | 12 |
| AS61387US | Cloudco-LLC Cloudco LLC | — | 1 | 1 |
| AS19330US | TRITAN-INTERNET-LLC - Tritan Internet LLC | — | 2 | 2 |
| AS399154US | SECURITYSERVICES - Vercara, LLC | — | 256 | 1 |
| AS395522US | JNL-MULTI-01 - Jeffsworld Networks LLC | — | 3 | 3 |
| AS402256US | SEAN-LAB-01 - Sean Johns, Sole Proprietorship | — | 3 | 2 |
| AS395468US | UNLV - University of Nevada, Las Vegas | — | 256 | 1 |
| AS18535US | ROCHE-INDY - Hoffmann LaRoche, Inc. | — | 256 | 1 |
| AS30581US | SUNOAKI-NET - Sunoaki Network LLC | — | 1 | 1 |
| AS401947US | TRIAD-PATHFINDERS - Triad Pathfinders LLC | — | 3 | 3 |
| AS401649US | AS-CYRATECH-LAX - Cyratech Technologies LLC | — | 256 | 1 |
| AS198714US | INOV8N-AS Sreehari Sreedev | — | 2 | 2 |
| AS150318US | TOKYOONLINE-AS-AP - Tokyo Online Co.,Ltd. | — | 1 | 1 |
| AS199018US | ASXKRME Xkrme Network LLC | — | 174 | 12 |