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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. | 218M | 24,645 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 643 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,307 |
| 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 | 3,890 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,006 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,364 |
| — |
| 69.9K |
| 3 |
| AS33665US | CMCS - Comcast Cable Communications, LLC | — | 2 | 2 |
| AS57266US | AHLEX Alexander Huynh | — | 1 | 1 |
| AS197127US | OwO-Intranet-Services OwO Intranet Services LLC | — | 17 | 2 |
| AS30581US | SUNOAKI-NET - Sunoaki Network LLC | — | 1 | 1 |
| AS398767US | ORONO-SCHOOLS-MN - Independent School District No 278 County of Hennepin | — | 16 | 1 |
| AS399011US | C3AERO - C3Aero LLC | — | 1 | 1 |
| AS212996US | ZEROAV-CUST Zero Attack Vector LLC | — | 65.8K | 3 |
| AS150318US | TOKYOONLINE-AS-AP - Tokyo Online Co.,Ltd. | — | 1 | 1 |
| AS5887US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | 1 | 1 |
| AS395522US | JNL-MULTI-01 - Jeffsworld Networks LLC | — | 3 | 3 |
| AS206193US | LEONARD-NET Jacob Leonard | — | 257 | 2 |
| AS18535US | ROCHE-INDY - Hoffmann LaRoche, Inc. | — | 256 | 1 |
| AS402932US | BCN-NET - BlueComet | — | 1 | 1 |
| AS401420US | WANN - Wann Networks | — | 256 | 1 |
| AS401637US | APRILNEA - AprilNEA LLC | — | 1 | 1 |
| AS212990US | CHANDLER-WILLOUGHBY-AS Jacob Chandler Willoughby | — | 1 | 1 |
| AS204091US | rivulet Rivulet Wireless Inc. | — | 80 | 5 |
| AS50907US | CodeBGP ThousandEyes LLC | — | 1 | 1 |
| AS394557US | ROKU - Roku Inc. | — | 3 | 3 |
| AS198714US | INOV8N-AS Sreehari Sreedev | — | 2 | 2 |
| AS402185US | NSCL-ASN - Nova Superior Computing, LLC | — | 1 | 1 |
| AS13956US | RGTC-1 - Richland-Grant Telephone Cooperative, Inc. | — | 256 | 1 |
| AS402801US | ANDRII-NET - Andrii | — | 3 | 3 |
| AS47778US | SUNOAKI-NET-BACKBONE Sunoaki Network LLC | — | 15 | 12 |
| AS16626US | DATABANK-ZCOLO - zColo | — | 1 | 1 |
| AS395468US | UNLV - University of Nevada, Las Vegas | — | 256 | 1 |
| AS216250US | BENIOF-NET Benjamin Iofel | — | 16 | 1 |
| AS397877US | ECBROADBAND - Eastern Carolina Broadband LLC | — | 1 | 1 |
| AS211019US | servers-guru moula world llc | — | 2 | 2 |
| AS397496US | INMARSAT-GOVERNMENT - Inmarsat Government | — | 1 | 1 |
| AS19645US | IXSYSTEMS - iXSystems, Inc | — | 2 | 2 |
| AS214092US | Zachary-Ezetta Zachary Ezetta | — | 1 | 1 |
| AS56808US | SRSP-4-56808 - Aubrey Rose | — | 1 | 1 |
| AS205336US | DEEPSPACECOW-NET Ishmael Martin-Lacayo | — | 1 | 1 |
| AS394536US | CLOUDFLARENET-SFO - Cloudflare, Inc. | — | 1 | 1 |
| AS401113US | SCH-TEST-AS - RackGenius | — | 1 | 1 |
| AS51312US | SRSP-4-51312 - Aubrey Rose | — | 16 | 1 |
| AS402667US | CL-2372-AS-1 - Croan, | — | 256 | 1 |
| AS401533US | TGSLLC-02 - TGS, LLC | — | 1 | 1 |
| AS54852US | F4-NETWORKS - F4 Networks | — | 1 | 1 |
| AS26636US | QUICKPACKET-3 - QuickPacket, LLC | — | 4.1K | 1 |
| AS400905US | KMF-GLOBAL - Keystone MetroFiber LLC | — | 1 | 1 |
| AS206699US | Zoey-Mertes Zoey Mertes | — | 5 | 5 |
| AS207393US | AS_Clayton Clayton Donley | — | 2 | 2 |
| AS207649US | DNDX Datong Sun | — | 2 | 2 |
| AS6584US | MICROSOFT-GP-AS - Microsoft Corporation | — | 1 | 1 |