Edit amxmodx/scripting/amxbans/check_player.inl

Find
[code]	format(query, 4096, "SELECT ban_created,admin_nick FROM `%s` WHERE ( player_id='%s' AND ban_type='S' ) OR ( player_ip='%s' AND ban_type='SI' )",tbl_banhist, player_steamid, player_ip)
[/code]
Replace with
[code]	format(query, 4096, "SELECT ban_created,admin_nick FROM `%s` WHERE ( player_id='%s' AND ban_type='S' ) OR ( player_id='%s' AND ban_type='SI' ) OR ( player_ip='%s' AND ban_type='SI' )",tbl_banhist, player_steamid, player_steamid, player_ip)
[/code]

Find
[code]	format(query, 4095, "SELECT bid,ban_created,ban_length,ban_reason,admin_nick,admin_id,admin_ip,player_nick,player_id,player_ip,server_name,server_ip,ban_type FROM `%s` WHERE ( player_id='%s' AND ban_type='S' ) OR ( player_ip='%s' AND ban_type='SI' )",tbl_bans, player_steamid, player_ip)
[/code]
Replace with
[code]	format(query, 4095, "SELECT bid,ban_created,ban_length,ban_reason,admin_nick,admin_id,admin_ip,player_nick,player_id,player_ip,server_name,server_ip,ban_type FROM `%s` WHERE ( player_id='%s' AND ban_type='S' ) OR ( player_id='%s' AND ban_type='SI' ) OR ( player_ip='%s' AND ban_type='SI' )",tbl_bans, player_steamid, player_steamid, player_ip)
[/code]