import socket

from binascii import hexlify

for ip_addr in ['127.0.0.1']:

packed_ip_addr=socket.inet_aton(ip_addr)

unpacked_ip_addr=socket.inet_ntoa(packed_ip_addr)

print "IP address: %s=> Packed: %s,Unpacked:%s"\

%(ip_addr,hexlify(packed_ip_addr),unpacked_ip_addr)