Code:
if(re.match("(^[2][0-5][0-5]|^[1]{0,1}[0-9]{1,2})\.([0-2][0-5][0-5]|[1]{0,1}[0-9]{1,2})\.([0-2][0-5][0-5]|[1]{0,1}[0-9]{1,2})\.([0-2][0-5][0-5]|[1]{0,1}[0-9]{1,2})$",ip_addr) != None):
print "Verified as passed"
else:
print "Verified as failed"