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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 | 3,139 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,163 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,244 |
| 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 |
| 228 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 396 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,707 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,953 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,418 |
| — |
| 1 |
| 1 |
| AS402542US | CLOUDFLARENET - Cloudflare, | — | 1 | 1 |
| AS402474US | LMESSER-LABS - Zachary | — | 256 | 1 |
| AS197904US | WL7JJ Joshua Jones | — | 16 | 1 |
| AS25618US | SHINE - SHINESHAN | — | 256 | 1 |
| AS197127US | OwO-Intranet-Services OwO Intranet Services LLC | — | 17 | 2 |
| AS204091US | rivulet Rivulet Wireless Inc. | — | 80 | 5 |
| AS401420US | WANN - Wann Networks | — | 256 | 1 |
| AS203975US | Zorn-Technologies Zorn Technologies LLC | — | 1 | 1 |
| AS397496US | INMARSAT-GOVERNMENT - Inmarsat Government | — | 1 | 1 |
| AS212990US | CHANDLER-WILLOUGHBY-AS Jacob Chandler Willoughby | — | 1 | 1 |
| AS402185US | NSCL-ASN - Nova Superior Computing, LLC | — | 1 | 1 |
| AS206193US | LEONARD-NET Jacob Leonard | — | 257 | 2 |
| AS205398US | TYLER-OBRIEN Tyler Obrien | — | 299 | 29 |
| AS401756US | SWANROE - Swanroe Internet Cooperative LLC | — | 4.1K | 1 |
| AS197583US | NEXARUBE Nexarube LLC | — | 18 | 3 |
| AS30399US | HOSTENGINE - Host-Engine.com | — | 4.1K | 1 |
| AS402450US | JILLC-PRIMARY - ji's | — | 1 | 1 |
| AS19645US | IXSYSTEMS - iXSystems, Inc | — | 2 | 2 |
| AS6584US | MICROSOFT-GP-AS - Microsoft Corporation | — | 1 | 1 |
| AS61387US | Cloudco-LLC Cloudco LLC | — | 1 | 1 |
| AS30581US | SUNOAKI-NET - Sunoaki Network LLC | — | 1 | 1 |
| AS13956US | RGTC-1 - Richland-Grant Telephone Cooperative, Inc. | — | 256 | 1 |
| AS177US | UMICH-AS-1 - University of Michigan | — | 2 | 2 |
| AS1031US | PEER1-1031 - PEER 1031 LLC | — | 1 | 1 |
| AS399011US | C3AERO - C3Aero LLC | — | 1 | 1 |
| AS214092US | Zachary-Ezetta Zachary Ezetta | — | 1 | 1 |
| AS63286US | DATAHUB-IX - Hop179 LLC | — | 266.2K | 2 |
| AS401024US | COMMUNICATIONSAUTHORITY - Communications Authority, INC | — | 256 | 1 |
| AS399154US | SECURITYSERVICES - Vercara, LLC | — | 256 | 1 |
| AS402256US | SEAN-LAB-01 - Sean Johns, Sole Proprietorship | — | 1 | 1 |
| AS207649US | DNDX Datong Sun | — | 2 | 2 |
| AS50907US | CodeBGP ThousandEyes LLC | — | 1 | 1 |
| AS16626US | DATABANK-ZCOLO - zColo | — | 1 | 1 |
| AS207432US | CoreStream CoreStream LLC | — | 10.5M | 255 |
| AS401009US | JSMSR-NETWORK - JSMSR Network | — | 320 | 2 |
| AS401649US | AS-CYRATECH-LAX - Cyratech Technologies LLC | — | 256 | 1 |
| AS206699US | Zoey-Mertes Zoey Mertes | — | 5 | 5 |
| AS29854US | WESTHOST - WestHost, Inc. | — | 65.5K | 1 |
| AS395522US | JNL-MULTI-01 - Jeffsworld Networks LLC | — | 16 | 1 |
| AS5132US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | 6 | 6 |
| AS27518US | FABAS - First American Bank | — | 2 | 2 |
| AS48606US | V6BROKER-AS SYSTEM36 LLC | — | 4.1K | 1 |
| AS214974US | ZEROTECH-AS ZEROTECH CLOUD LLC | — | 1 | 1 |
| AS401775US | KV-LVDC-01 - KnightVision | — | 256 | 1 |
| AS396874US | JAMF - JAMF | — | 1 | 1 |
| AS5980US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | 1 | 1 |