[park4bmx]

i dont see anything wrong with the code
Did you look up ur IP first ?
But your right your IP cant be 255.255.255.255

try this out
EDIT

pawn Код:

new rip[MAX_PLAYERS][16]; GetPlayerIp(playerid,rip[playerid],16);
format(Query, sizeof(Query), "UPDATE `Accounts` SET  `IP Address` = '%s' WHERE `Username` = '%s'",rip[playerid],GetEscName(playerid));