'Test if this address is allocated for public networks.
Returns:
A boolean, True if the address is not reserved per
iana-ipv4-special-registry.'

@property
def is_global(self):

    return ((not ((self.network_address in IPv4Network(u'100.64.0.0/10')) and (self.broadcast_address in IPv4Network(u'100.64.0.0/10')))) and (not self.is_private))
