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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 |
| — |
| 3.1M |
| 6 |
| AS402696US | AS402696 - Elkhorn | — | 1 | 1 |
| 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 |
| AS200360US | FOLF-SYSTEMS-AS Cooper Greer | — | 22 | 4 |
| AS210066US | ANYCORE Anycore Inc | — | 1 | 1 |
| AS396968US | IMPUT - imput | — | 3 | 3 |
| AS395893US | VCT-TECHNOLOGIES-LLC - VCT Holdings LLC | — | 1 | 1 |
| AS22577US | LOON - Google LLC | — | 32 | 2 |
| AS218643US | MENGMENG-NETWORK MENGMENG NETWORK LLC | — | 40 | 40 |
| AS401947US | TRIAD-PATHFINDERS - Triad Pathfinders LLC | — | 2 | 2 |
| AS1031US | PEER1-1031 - PEER 1031 LLC | — | 1 | 1 |
| AS206699US | Zoey-Mertes Zoey Mertes | — | 5 | 5 |
| AS399196US | REDRAY-STUDIOS - REDRAY STUDIOS LLC | — | 4 | 4 |
| AS29854US | WESTHOST - WestHost, Inc. | — | 65.5K | 1 |
| AS401904US | ORCHARD-LAKE-SYSTEMS - Orchard Lake Systems Inc | — | 1 | 1 |
| AS394557US | ROKU - Roku Inc. | — | 3 | 3 |
| AS402565US | JDKL - JDKL | — | 1 | 1 |
| AS200556US | CADY-AS Ethan Cady | — | 259 | 4 |
| AS22729US | PETERSON-FARMS-01 - Peterson Farms, Inc. | — | 15 | 14 |
| AS959US | OHANACAST - OHANACRAFT, LLC | — | 1 | 1 |
| AS203069US | Thomas-Brown Thomas Riley Brown | — | 65.8K | 6 |
| AS56762US | OLYMPIC2 Olympic Input/Output, LLC | — | 2 | 2 |
| AS395661US | USENET-SOLUTIONS - Usenet Solutions LLC | — | 3 | 3 |
| AS57266US | AHLEX Alexander Huynh | — | 1 | 1 |
| AS218798US | Reboot-Labs Reboot Labs LLC | — | 458.8K | 15 |
| AS213219US | SKALA SKALA NETWORKS LLC | — | 16 | 1 |
| AS19418US | MNBRAININJURYALLIANCE - Minnesota Brain Injury Alliance | — | 1 | 1 |
| AS33063US | AS-CUBIT - Cubit Computer Ltd. Liability Co. | — | 272 | 2 |
| AS22503US | METHOD-01 - Method Security Inc | — | 256 | 4 |
| AS33760US | UWUNET - Ashton Holmes, Sole Proprietorship | — | 5 | 5 |
| AS395649US | SCHWARTZNET-B - Schwartz Networks Limited Liability Company | — | 1 | 1 |
| AS402842US | SIMPLAY3-SB-01 - THE | — | 1 | 1 |
| AS200878US | CHRISP Christopher Thomas | — | 1 | 1 |
| AS402932US | BCN-NET - BlueComet | — | 1 | 1 |
| AS213424US | McKeeNet Jordan McKee | — | 1 | 1 |
| AS51856US | SRSP-4-51856 - Aubrey Rose | — | 16 | 1 |
| AS396563US | VRSN-AC50-340 - VeriSign Global Registry Services | — | 1 | 1 |
| AS395250US | AS-BMSO365 - Bristol-Myers Squibb Company | — | 24 | 4 |
| AS207556US | SERVERFORGE - ServerForge LLC | — | 64 | 1 |
| AS13956US | RGTC-1 - Richland-Grant Telephone Cooperative, Inc. | — | 256 | 1 |
| AS218789US | Soundvia-ASN Soundvia LLC | — | 20 | 5 |
| AS216357US | INFINITIUM-AS216357 INFINITIUM CORPORATION | — | 2 | 2 |
| AS17045US | NGA911-CALI-A - NGA 911 | — | 6 | 2 |
| AS33042US | NETIFACE-TORONTO - Netiface LLC | — | 65.5K | 1 |
| AS23340US | GALAXYGATE-EDGE - GALAXYGATE, LLC | — | 524.3K | 1 |