nic.io .io domain name statistics
0 estimated active .io domain names
Data as of May 2026
Key figures for the .io market
Active stock
1 300 000
Net monthly change
+8 311
5-year growth
0%
Evolution of the .io stock
Last 60 months — official registry source
.io in official nic.io figures
.io is the ccTLD of the British Indian Ocean Territory, popularised by the tech community (« I/O » = Input/Output). Over 1 300 000 estimated active domains in May 2026.
.io has become the standard for startups and open-source projects (GitHub Pages = username.github.io). High pricing (~$25-35 excl. VAT/year) selects serious usage.
Identity Digital (ex Internet Computer Bureau) runs .io. The registry doesn't publish detailed open-data statistics.
Frequently asked questions
How many .io domain names exist today?
Estimated active stock over 1 300 000 domains in May 2026.
Who manages .io?
Identity Digital (formerly Internet Computer Bureau) has run .io since 2017.
Will .io disappear with the BIOT return to Mauritius?
ICANN confirmed .io will continue under an adapted legal form. No short-term disappearance risk.