Convet IP address formats

In Python

def dot2num(dot):
d = dot.split(‘.’); return (((((int(d[0])*256)+int(d[1]))*256)+int(d[2]))*256)+int(d[3])
def num2dot(num): d = num % 256 for i in range(3): num = int(num/256) d = “%s.%s” % (num % 256, d) return d