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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 |
| AS21687US | AS21687 - Crown Castle Fiber LLC | — | 1.5K | 3 |
| AS204969US | JOHN-BURKE John Burke | — | 3 | 3 |
| AS51856US | SRSP-4-51856 - Aubrey Rose | — | 16 | 1 |
| AS396563US | VRSN-AC50-340 - VeriSign Global Registry Services | — | 1 | 1 |
| AS214085US | JUNIPERCIRCUIT-AS Eugene Lapidous | — | 1 | 1 |
| AS575US | DNIC-AS-00575 - Headquarters, USAISC | — | 256 | 1 |
| AS401106US | TECHIES365 - Techies365 | — | 3 | 3 |
| AS46464US | NB-PRIMARY-01 - Nybbles and Bytes Studios, LLC | — | 1 | 1 |
| AS13696US | GLOBAL-X-NETWORK - NetFuture Technology LLC | — | 264 | 9 |
| AS19451US | ELECTROCLOUD - Electro Cloud | — | 65.5K | 1 |
| AS400743US | SPACESHIP-LANDINGS - Spaceship Landings LLC | — | 1 | 1 |
| AS402613US | MILAN-US-WEST-CALIFORNIA - Milaneum, | — | 4.1K | 1 |
| AS62925US | CRENET-ASN-01 - CRE NETWORK, LLC | — | 32 | 2 |
| AS198526US | GREAT-SCOTT-CONSULTING ERIN ALLEN SCOTT trading as Great Scott Consulting Services | — | 1 | 1 |
| AS403167US | SUN-02 - Sun | — | 1 | 1 |
| AS139242US | CSL-AS-AP - Cloudflare Sydney, LLC | — | 2 | 2 |
| AS17045US | NGA911-CALI-A - NGA 911 | — | 6 | 2 |
| AS55223US | BGP-NETWORKS-LLC - BGP Networks LLC | — | 3 | 3 |
| AS33042US | NETIFACE-TORONTO - Netiface LLC | — | 65.5K | 1 |
| AS213073US | BYTESIZE Bytesize Internet LLC | — | 1 | 1 |
| AS208812US | ONDRYA Ondrya LLC | — | 1 | 1 |
| AS396075US | TURN-AND-BURN-METALWORKS-LLC - Turn and Burn Metalworks, LLC | — | 18 | 3 |
| AS401767US | T4T-MAIN - T4T Labs | — | 1 | 1 |
| AS210066US | ANYCORE Anycore Inc | — | 1 | 1 |
| AS396968US | IMPUT - imput | — | 3 | 3 |
| AS395893US | VCT-TECHNOLOGIES-LLC - VCT Holdings LLC | — | 1 | 1 |
| AS219051US | XND-NET X Next Digital LLC | — | 1 | 1 |
| AS213424US | McKeeNet Jordan McKee | — | 1 | 1 |
| AS401919US | AS401919 - Pinehurst Networks | — | 2 | 2 |
| AS395250US | AS-BMSO365 - Bristol-Myers Squibb Company | — | 24 | 4 |
| AS401821US | CYGNUS-NETWORK-A - Cygnus Networks LLC | — | 3.1M | 6 |
| AS207556US | SERVERFORGE - ServerForge LLC | — | 64 | 1 |
| AS211233US | Ronsor-LLC Ronsor LLC | — | 17 | 2 |
| AS402696US | AS402696 - Elkhorn | — | 1 | 1 |
| AS218643US | MENGMENG-NETWORK MENGMENG NETWORK LLC | — | 40 | 40 |
| AS401431US | BLUE-QUARTZ-0 - Blue Quartz | — | 5 | 5 |
| AS218789US | Soundvia-ASN Soundvia LLC | — | 20 | 5 |
| AS398394US | DF-HADDEN - DF Supply, Inc. | — | 1 | 1 |
| AS216357US | INFINITIUM-AS216357 INFINITIUM CORPORATION | — | 2 | 2 |
| AS142130US | NICONET-AS-US - NICHONET Inter-Continental Hosting Operation Network | — | 18 | 3 |
| AS1051US | RIDGETOWERNET - Ridge Tower Network, LLC | — | 4.1K | 1 |
| AS400148US | BULK-SOLUTIONS-01 - Bulk Solutions, LLC | — | 256 | 1 |
| AS203069US | Thomas-Brown Thomas Riley Brown | — | 65.8K | 6 |
| AS403024US | HOP179-AS - Hop179 | — | 17 | 2 |
| AS200360US | FOLF-SYSTEMS-AS Cooper Greer | — | 22 | 4 |
| AS395649US | SCHWARTZNET-B - Schwartz Networks Limited Liability Company | — | 1 | 1 |