mysql ip address convert (ip2bigint,bigint2ip)

Convert IP address  to bigint CREATE FUNCTION `F_Ip2Int`(ip varchar(15)) RETURNS bigint(20)BEGIN  declare tmp bigint default 0;  while instr(ip,’.’)>0 do    set tmp = tmp*256+ left(ip,instr(ip,’.’)-1);    set ip = right(ip,length(ip)-instr(ip,’.’));  end while;  set tmp = tmp*256+ip;  return tmp;ENDConvert bigint to IP Address CREATE FUNCTION `F_Int2Ip`(iip bigint) RETURNS varchar(15)BEGIN  return concat((iip & 0xFF000000)>>24, ‘.’,                (iip & 0x00FF0000)>>16, ‘.’,                (iip & 0x0000FF00)>>8, ‘.’,                iip & 0x000000FF);END