u sure this is ur brother's steam id, cuz i searched for this steam id and what i find in his steam id in the ban list + 1 number, its 66077222 not 6607722

Maybe mistake from copy paste.
Ban details
Nickname hassan
SteamID STEAM_0:1:66077222
Steam Community ID 76561198092420173
IP address hidden
Reason Banevade
Invoked on31.05.2013 - 16:24:10
Ban length Permanent Expires on Not applicable