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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 |
| — |
| 1 |
| 1 |
| AS15089US | MASSMUTUAL - Massachusetts Mutual Life Insurance Company | — | — | 0 |
| AS211411US | wylie Wylie Fowler | — | 2 | 2 |
| AS21939US | PCCUA-AS - Phillips Community College of the University of Arkansas | — | 260 | 2 |
| AS36096US | PAGEROUS - PAGEROUS, LLC | — | 2 | 2 |
| AS401671US | ACCESSPARKS-POPS - ACCESSPARKS LLC | — | 78 | 39 |
| AS3754US | NYSERNET3-AS - NYSERNet | — | 1 | 1 |
| AS401849US | HYPERION-NETWORK - Hyperion Telecom LLC | — | 3.1M | 6 |
| AS396043US | TENNESSEE-WIRELESS-LLC - TENNESSEE WIRELESS LLC | — | 1 | 1 |
| AS22503US | METHOD-01 - Method Security Inc | — | 256 | 4 |
| AS14071US | PQ-CORPORATION - PQ Corporation | — | — | 0 |
| AS218248US | GavinPhratsachack Gavin Phratsachack | — | 16 | 1 |
| AS401106US | TECHIES365 - Techies365 | — | 3 | 3 |
| AS219525US | DaleNetworks Jevin Dale | — | 1 | 1 |
| AS14542US | CALPOP - CALPOP.COM, INC. | — | — | 0 |
| AS22729US | PETERSON-FARMS-01 - Peterson Farms, Inc. | — | 15 | 14 |
| AS14053US | ASN-LWCL - Long Wharf Real Estate Partners LLC | — | — | 0 |
| AS403145US | VMNODE-AS1 - VMNode | — | 256 | 1 |
| AS14082US | GOES - Global Online Electronic Services | — | — | 0 |
| AS168US | UMASS-AMHERST - University of Massachusetts - AMHERST | — | 256 | 1 |
| AS13442US | ZENLOGIC - Zenlayer Inc | — | — | 0 |
| AS201398US | AS201398-NETWORK Guwin Universal Services LLC | — | 9 | 9 |
| AS26509US | AS-CDS-OFFICE-1 - Computer Development Systems, LLC | — | — | 0 |
| AS200690US | YOURSUNNY-AS Junxiao Shi | — | 39 | 9 |
| AS25721US | AS-CHICAGO - Morningstar, Inc. | — | — | 0 |
| AS395326US | MIT-V6 - Massachusetts Institute of Technology | — | 1 | 1 |
| AS12126US | AS-HOSTPERL - HOSTPERL LLC | — | — | 0 |
| AS401947US | TRIAD-PATHFINDERS - Triad Pathfinders LLC | — | 2 | 2 |
| AS203069US | Thomas-Brown Thomas Riley Brown | — | 65.8K | 6 |
| AS575US | DNIC-AS-00575 - Headquarters, USAISC | — | 256 | 1 |
| AS13696US | GLOBAL-X-NETWORK - NetFuture Technology LLC | — | 264 | 9 |
| AS30273US | DIDL-1 - DreamWorks Studios | — | — | 0 |
| AS401649US | AS-CYRATECH-LAX - Cyratech Technologies LLC | — | 256 | 1 |
| AS219051US | XND-NET X Next Digital LLC | — | 1 | 1 |
| AS401389US | OWO-AS - OwO Network, LLC | — | 1 | 1 |
| AS18452US | ALORICA - ALORICA INC | — | — | 0 |
| AS401904US | ORCHARD-LAKE-SYSTEMS - Orchard Lake Systems Inc | — | 1 | 1 |
| AS16967US | SBCIDC-DLLSTX - AT&T Enterprises, LLC | — | — | 0 |
| AS401519US | SUNOAKI-NET-CCH - Sunoaki Network LLC | — | 2 | 2 |
| AS17228US | ATT-CERFNET-BLOCK - AT&T Enterprises, LLC | — | — | 0 |
| AS401533US | TGSLLC-02 - TGS, LLC | — | 1 | 1 |
| AS13411US | W3D - W3D Trading Inc | — | — | 0 |
| AS401821US | CYGNUS-NETWORK-A - Cygnus Networks LLC | — | 3.1M | 6 |
| AS12255US | AMGEN - AMGEN, Inc. | — | — | 0 |
| AS959US | OHANACAST - OHANACRAFT, LLC | — | 1 | 1 |
| AS12014US | AMERICAS-HEALTH-INSURANCE-PLANS - AHIP | — | — | 0 |
| AS395250US | AS-BMSO365 - Bristol-Myers Squibb Company | — | 24 | 4 |