British Indian Ocean Territory
Global rank
Domain Count
504.5 Thousand
Register a .io domain today!

.IO domain extension ranks #56 among all domain extensions, and #35 among all country-code extensions (ccTLDs). Currently, there are 504.5 Thousand registered .io domain names. NIC.IO is the registry of .io extension.

The oldest (still exists) .io domain name is io.io, and it was registered on 19 March 1998.

The most popular .io domain name is ouo.io. Its worldwide rank is 713.

.IO domains are most popular in United States. Panama and France are the other countries that have most .io domain registrations.

From the Blog