def ip2num(ip):
ip = [int(x) for x in ip.split('.')]
return ip[0] << 24 | ip[1] << 16 | ip[2] << 8 | ip[3]

def num2ip(num):
return '%s.%s.%s.%s' % (
(num & 0xff000000) >> 24,
(num & 0x00ff0000) >> 16,
(num & 0x0000ff00) >> 8,
num & 0x000000ff
)

def gen_ips(start, end):
"""生成 IP 地址"""
# if num & 0xff 过滤掉 最后一段为 0 的 IP
return [num2ip(num) for num in range(start, end + 1) if num & 0xff]