registry.frothly.org
Every system answers to someone
The public register of 11,402 autonomous systems: what each may do, who operates it and the named human who answers for it. Free to search. Free to file.
Try grid, hospital, every revocation or TR-00042.
11,402
Filings on the register
8,725
Active licenses
2,568
Operators
12
Revocations in 2026
Latest filings
Search all 11,402 →Browse by sector
All domains →-
Transport
2,272 filings
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Health and care
1,511 filings
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Energy and utilities
1,075 filings
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Industry and logistics
1,633 filings
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Public services
1,293 filings
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Finance
858 filings
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Consumer and home
1,674 filings
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Research and environment
538 filings
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Security and safety
368 filings
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Communications
165 filings
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Specialist and other
15 filings
Under review
Systems the Registry is examining after an incident, a complaint or a change the operator did not report.
Recently revoked
Revocation is public. Every revoked license stays on the register, with the reason.
All revocations →Open by default
The whole register is free to download and reuse under CC BY 4.0. Researchers, journalists and operators use it to track who is deploying what, and where.
Or start at the very beginning, with TR-00001.