tele.gaChannel @RuCTF has suspended its broadcast. But don't worry, we still have a lot of good others:
addmeto
addmeto @ telegram, 47865 members
Яндекс
yandex @ telegram, 19734 members
Now-ka
now_ka @ telegram, 4682 members
Осенило - написал
screenspiration @ telegram, 2984 members
Тут Porta.Fi или где?
PortaFi @ telegram, 1748 members
Тобетра
tobetra @ telegram, 400 members