4
what network were u on?
the same one u play from normally?
a different one? etc...
bcos sometimes the servers are blocked by the router's firewall... no... not ur computer firewall, but ur router or vpn's firewall, bcos they accidentally block port 27015 (crap i forgot the actual port number..).
did u try joining the other ibis servers?
zm pub ffa gg etc?
if so, were u able to join?