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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 |
| — |
| 2 |
| 2 |
| AS394882US | JUPITERCLOUD - Jupiter Cloud LLC | — | 2 | 2 |
| AS398565US | PETERJIN - Peter Jin Technologies LLC | — | 1 | 1 |
| AS402897US | CKSVC-01 - CK | — | 17 | 2 |
| AS215313US | LINEAR-NETWORK Emily Ingalls | — | 17 | 2 |
| AS401507US | IMPUT - imput | — | 2 | 2 |
| AS200766US | BROWN-AS Kerry Lynn brown jr | — | 274 | 4 |
| AS397955US | DEEPSOUTHCOMMUNICATIONS - Deep South Communications LLC | — | 1 | 1 |
| AS395460US | PROLIXIUM-AS - Prolixium Enterprises, LLC | — | 22 | 7 |
| AS197962US | HOOP7MOBILETELECOM-AS 7HOOP MOB TELECOM LLC | — | 98.3K | 24 |
| AS400917US | ROSE-CIRCUIT2 - Aubrey Rose | — | 8 | 1 |
| AS206081US | JORDANSAVOCANET Jordan Savoca | — | 1 | 1 |
| AS200790US | BYTEFIZZ BYTEFIZZ LLC | — | 512 | 2 |
| AS216052US | CDUBS-NET Craig Schulz | — | 33 | 3 |
| AS401385US | DURANTA-NET - Duranta Inc. | — | 2 | 2 |
| AS218794US | XORIST James Jones | — | 1 | 1 |
| AS6570US | CNCS - AmeriCorps | — | 256 | 1 |
| AS197691US | TAIPEI101-AS Taipei101 Network LLC | — | 16 | 1 |
| AS211562US | andrewnet andrewnet llc | — | 261 | 6 |
| AS199465US | feiya FeiYa Network LTD. | — | 512 | 1 |
| AS5132US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | 6 | 6 |
| AS11021US | NVH-ASN - North Valley Hospital | — | 256 | 1 |
| AS11938US | ABANTU - NCRYPTD LLC | — | 1 | 1 |
| AS11161US | DIGITALVIRT - DigitalVirt | — | 1 | 1 |
| AS402695US | SPUZE - SPUZE | — | 256 | 1 |
| AS402537US | YMISO - YMISO | — | 32 | 2 |
| AS396931US | HOSTROYALE-TECHNOLOGIES-02 - HostRoyale LLC | — | 524.3K | 1 |
| AS402266US | SLDNET - Salad Technologies, Inc. | — | 108 | 108 |
| AS27518US | FABAS - First American Bank | — | 2 | 2 |
| AS219255US | Lee-World Derek Lee | — | 1 | 1 |
| AS202142US | PACKETHARBOR PacketHarbor LLC | — | 4.1K | 4 |
| AS205232US | EvilNET Felix Alcantara | — | 768 | 3 |
| AS197259US | KAOFISH-AS KAOFISH NETWORK LLC | — | 16 | 1 |
| AS26768US | SAKURA - SAKURA LTD. | — | 2 | 2 |
| AS397658US | NRUMNET - Hop179 LLC | — | 5 | 5 |
| AS401144US | AES-CAPAC - Axiom Engineered Systems LLC. | — | 2 | 2 |
| AS216225US | qprisk Quest & Pearson LLC | — | 32 | 2 |
| AS40893US | ASN-NA-XIPE - Xipe Networks | — | 17 | 2 |
| AS210836US | ASTROPHAGE Edward Behling | — | 16 | 1 |
| AS400546US | EXAGRID-ASN - Exagrid | — | 2 | 2 |
| AS399980US | RFPT - RFPT COMPANY LLC | — | 258 | 3 |
| AS202902US | ANTARES-NETWORK Nathen Goldsborough | — | 1 | 1 |
| AS402642US | CRLML - Classic | — | 5.2M | 10 |
| AS402240US | WAYFIRE TECHNOLOGIES LLC - Wayfire Technologies LLC | — | 1 | 1 |
| AS400522US | ROOTCLOUD - rootcloud LLC | — | 8.9M | 33 |
| AS207719US | coderrquitsreality Carlos Guisewite | — | 1 | 1 |
| AS10941US | TECHCOM-1 - Genuine Telecom | — | 256 | 1 |