CAP support

4,857 servers out of the 7,497 IRC servers on the Internet have CAP support (65%).
See the CAP page for all charts and details.

TLS support

3,103 servers out of the 7,497 IRC servers on the Internet that listen on port 6667 also have SSL/TLS support on port 6697 (41%).
See the TLS page for all charts and details.