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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 |
| MILAN-US-WEST-CALIFORNIA - Milaneum, |
| — |
| 4.1K |
| 1 |
| AS219534US | US-PLUSINFO PlusInfo LLC | — | 65.5K | 1 |
| AS396563US | VRSN-AC50-340 - VeriSign Global Registry Services | — | 1 | 1 |
| AS401919US | AS401919 - Pinehurst Networks | — | 2 | 2 |
| AS198526US | GREAT-SCOTT-CONSULTING ERIN ALLEN SCOTT trading as Great Scott Consulting Services | — | 1 | 1 |
| AS207556US | SERVERFORGE - ServerForge LLC | — | 64 | 1 |
| AS200878US | CHRISP Christopher Thomas | — | 1 | 1 |
| AS218798US | Reboot-Labs Reboot Labs LLC | — | 458.8K | 15 |
| AS17045US | NGA911-CALI-A - NGA 911 | — | 6 | 2 |
| AS139242US | CSL-AS-AP - Cloudflare Sydney, LLC | — | 2 | 2 |
| AS402667US | CL-2372-AS-1 - Croan, | — | 256 | 1 |
| AS200360US | FOLF-SYSTEMS-AS Cooper Greer | — | 22 | 4 |
| AS401431US | BLUE-QUARTZ-0 - Blue Quartz | — | 5 | 5 |
| AS21687US | AS21687 - Crown Castle Fiber LLC | — | 1.5K | 3 |
| AS55223US | BGP-NETWORKS-LLC - BGP Networks LLC | — | 3 | 3 |
| AS401848US | ELYSIAN-NETWORKS - Elysian Networks LLC | — | 3.1M | 6 |
| AS218789US | Soundvia-ASN Soundvia LLC | — | 20 | 5 |
| AS213073US | BYTESIZE Bytesize Internet LLC | — | 1 | 1 |
| AS403024US | HOP179-AS - Hop179 | — | 17 | 2 |
| AS396075US | TURN-AND-BURN-METALWORKS-LLC - Turn and Burn Metalworks, LLC | — | 18 | 3 |
| AS972US | CF3 - Cofractal, Inc. | — | 3 | 3 |
| AS210066US | ANYCORE Anycore Inc | — | 1 | 1 |
| AS396968US | IMPUT - imput | — | 3 | 3 |
| AS395893US | VCT-TECHNOLOGIES-LLC - VCT Holdings LLC | — | 1 | 1 |
| AS397496US | INMARSAT-GOVERNMENT - Inmarsat Government | — | 1 | 1 |
| AS6584US | MICROSOFT-GP-AS - Microsoft Corporation | — | 1 | 1 |
| AS35976US | LONE-PUFFIN-01 - Lone Puffin, LLC | — | 1 | 1 |
| AS26636US | QUICKPACKET-3 - QuickPacket, LLC | — | 4.1K | 1 |
| AS398767US | ORONO-SCHOOLS-MN - Independent School District No 278 County of Hennepin | — | 16 | 1 |
| AS207414US | Ganawa-James-Juanah Ganawa Juanah | — | 2 | 2 |
| AS57257US | ZORINS-AS Zorins LLC | — | 2 | 2 |
| AS204091US | rivulet Rivulet Wireless Inc. | — | 80 | 5 |
| AS218876US | NR-DIGITAL-LLC-AS N.R. Digital LLC | — | 2.3K | 9 |
| AS35848US | GRIZZLINK - 20C, LLC | — | 16 | 1 |
| AS36625US | KGTLD - VeriSign Global Registry Services | — | 5 | 5 |
| AS402474US | LMESSER-LABS - Zachary | — | 256 | 1 |
| AS19645US | IXSYSTEMS - iXSystems, Inc | — | 1 | 1 |
| AS402185US | NSCL-ASN - Nova Superior Computing, LLC | — | 1 | 1 |
| AS213424US | McKeeNet Jordan McKee | — | 1 | 1 |
| AS205336US | DEEPSPACECOW-NET Ishmael Martin-Lacayo | — | 1 | 1 |
| AS397877US | ECBROADBAND - Eastern Carolina Broadband LLC | — | 1 | 1 |
| AS30581US | SUNOAKI-NET - Sunoaki Network LLC | — | 1 | 1 |
| AS218507US | CB-AS Christopher Bridgewater | — | 2 | 2 |
| AS401113US | SCH-TEST-AS - RackGenius | — | 1 | 1 |
| AS400905US | KMF-GLOBAL - Keystone MetroFiber LLC | — | 1 | 1 |
| AS33665US | CMCS - Comcast Cable Communications, LLC | — | 2 | 2 |
| AS33656US | CMCS - Comcast Cable Communications, LLC | — | 7 | 7 |