gen_ips.py 文件源码

def is_reserved(ip):
    return (ipaddr.IPv4Network(ip).is_multicast |
            ipaddr.IPv4Network(ip).is_private |
            ipaddr.IPv4Network(ip).is_link_local |
            ipaddr.IPv4Network(ip).is_loopback |
            ipaddr.IPv4Network(ip).is_reserved)