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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 | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 219M | 23,666 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 645 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,361 |
| 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.
32,363 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 234 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 439 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.8M | 3,911 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 45M | 2,046 |
| AS701US | UUNET - Verizon Business | 43.6M | 996 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.8M | 4,491 |
| — |
| — |
| 0 |
| AS17132US | ACDNET-ASN4 - ACD.net | — | — | 0 |
| AS27092US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS16446US | M2NGAGE2 - M2ngage Telecommunications II Corp. | — | — | 0 |
| AS15288US | NOKIA-NA - Nokia of America Corporation | — | — | 0 |
| AS21991US | BASED-NETWORKING - BNS Services LLC | — | — | 0 |
| AS15163US | MTD - MTD Products, Inc | — | — | 0 |
| AS20301US | AS20301 - National Aeronautics and Space Administration | — | — | 0 |
| AS20287US | OFINY - Invesco Group Services, Inc. | — | — | 0 |
| AS20000US | FULCRM-00 - Fulcrum Analytics, Inc | — | — | 0 |
| AS27048US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS19144US | UPMC-SUSQ - UPMC | — | — | 0 |
| AS19059US | CODERO-ASHBURN - Patmos Hosting, Inc. | — | — | 0 |
| AS18879US | HR1 - HireRight LLC | — | — | 0 |
| AS19019US | AS-TIERP-19019 - TierPoint, LLC | — | — | 0 |
| AS2700US | CLARIS-CORP - Claris International Inc. | — | — | 0 |
| AS2382US | WISCNET2-AS - WiscNet | — | — | 0 |
| AS1997US | IBMDES-AS - IBM | — | — | 0 |
| AS19744US | EDUCATION-DEVELOPMENT-CENTER - Education Development Center Inc. | — | — | 0 |
| AS10822US | UNISTAR - Unistar Entertainment, Inc | — | — | 0 |
| AS13633US | OOCL-MNL - OOCL (USA), Inc. | — | — | 0 |
| AS13502US | VOYA-FINANCIAL - Voya Services Company | — | — | 0 |
| AS13436US | INTERNET2-CONF - Internet2 | — | — | 0 |
| AS13455US | ASGROUP1 - Reach Marketing LLC | — | — | 0 |
| AS8062US | BELLSOUTH-NET-BLK3 - AT&T Enterprises, LLC | — | — | 0 |
| AS7966US | HARBOR - Harbor Communications | — | — | 0 |
| AS7739US | AUTOWEB - AutoWeb Interactive | — | — | 0 |
| AS8136US | IFSI - Internet Financial Systems Inc. | — | — | 0 |
| AS7269US | ONESOURCE - OneSource Information Services,Inc | — | — | 0 |
| AS7240US | URAEUS - Uraeus Consulting | — | — | 0 |
| AS7132US | SBIS-AS - AT&T Enterprises, LLC | — | — | 0 |
| AS7158US | NETFEED-AS - NetEx Online Services | — | — | 0 |
| AS10831US | CENTURYLINK-QC-MOE-PORTLAND - CenturyLink Communications, LLC | — | — | 0 |
| AS400413US | MARTINCOIT - Martincoit Networks | — | — | 0 |
| AS10675US | VIET-MY - Viet-My | — | — | 0 |
| AS396198US | VB-FIBER - Point Broadband Fiber Holding, LLC | — | — | 0 |
| AS10363US | LEESTL-ASN-10363 - Lee Enterprises, Incorporated | — | — | 0 |
| AS10347US | RANDMCNALLY - Rand McNally | — | — | 0 |
| AS9460US | KYNDRYLINC-AS-AP - Kyndryl INC | — | — | 0 |
| AS10256US | GS-ASN - Akula Communications Corp. | — | — | 0 |
| AS23519US | NGISCORV - Alyrica Networks Inc. | — | — | 0 |
| AS23449US | EXODO-ANYCAST-NET - Exodo LLC | — | — | 0 |
| AS23178US | MMI-NET - MONEY MANAGEMENT INTERNATIONAL | — | — | 0 |
| AS25721US | AS-CHICAGO - Morningstar, Inc. | — | — | 0 |
| AS22201US | PERFORCE-ASN - Perforce Software, Inc. | — | — | 0 |
| AS22144US | CHAPMAN - Chapman and Cutler | — | — | 0 |
| AS21776US | BLOSSOMTEL-AS - CHICKASAW TELEPHONE | — | — | 0 |