IRC connect help

Ok, i made everything in script and on web irc, now i need help. I cant connect. I cant see any port wich i am supposted to put in my gamemode

pawn Code:

#define IRC_SERVER "irc.mibbit.net"

#define IRC_PORT (????)

#define IRC_CHANNEL "#SFCNR"

#define IRC_ADMINCHANNEL "#SCnR.oper"

Can someone help me with this?