CAP support

4,997 servers out of the 7,923 IRC servers on the Internet have CAP support (63%).
See the CAP page for all charts and details.

TLS support

3,202 servers out of the 7,923 IRC servers on the Internet that listen on port 6667 also have SSL/TLS support on port 6697 (40%).
See the TLS page for all charts and details.