原文链接如下，但是没有办法在中文操作系统下运行，而且可能是因为版本的问题吧，原文中的代码在3.6.5版本的python中无法运行（报错map对象不可能作为len的输入参数），本文中的代码修正了上述问题。
https://blog.csdn.net/xanxus46/article/details/44682073

import subprocess
import re
import platform


def find_all_ip(platform):
    ipstr = '([0-9]{1,3}\.){3}[0-9]{1,3}'
    if platform == "Darwin" or platform == "Linux":
        ipconfig_process = subprocess.Popen("ifconfig", stdout=subprocess.PIPE)
        output = ipconfig_process.stdout.read()
        ip_pattern = re.compile('(inet %s)' % ipstr)
        if platform == "Linux":
            ip_pattern = re.compile('(inet addr:%s)' % ipstr)
        pattern = re.compile(ipstr)
        iplist = []
        for ipaddr in re.finditer(ip_pattern, str(output)):
            ip = pattern.search(ipaddr.group())
            if ip.group() != "127.0.0.1":
                iplist.append(ip.group())
        return iplist
    elif platform == "Windows":
        ipconfig_process = subprocess.Popen("ipconfig", stdout=subprocess.PIPE)
        output = ipconfig_process.stdout.read()
        output = output.decode('gbk')  # ！！！！匹配中文的时候，需要先将byte编码为gbk字符串，在进行匹配
        ip_pattern = re.compile("IPv4 地址 (\. )*: %s" % ipstr)
        pattern = re.compile(ipstr)
        iplist = []
        for ipaddr in re.finditer(ip_pattern, output):
            ip = pattern.search(ipaddr.group())
            iplist.append(ip.group())
        return iplist


def find_all_mask(platform):
    ipstr = '([0-9]{1,3}\.){3}[0-9]{1,3}'
    maskstr = '0x([0-9a-f]{8})'
    if platform == "Darwin" or platform == "Linux":
        ipconfig_process = subprocess.Popen("ifconfig", stdout=subprocess.PIPE)
        output = ipconfig_process.stdout.read()
        mask_pattern = re.compile('(netmask %s)' % maskstr)
        pattern = re.compile(maskstr)
        if platform == "Linux":
            mask_pattern = re.compile(r'Mask:%s' % ipstr)
            pattern = re.compile(ipstr)
        masklist = []
        for maskaddr in mask_pattern.finditer(str(output)):
            mask = pattern.search(maskaddr.group())
            if mask.group() != '0xff000000' and mask.group() != '255.0.0.0':
                masklist.append(mask.group())
        return masklist
    elif platform == "Windows":
        ipconfig_process = subprocess.Popen("ipconfig", stdout=subprocess.PIPE)
        output = ipconfig_process.stdout.read()
        output = output.decode('gbk')  # ！！！！匹配中文的时候，需要先将byte编码为gbk字符串，在进行匹配
        mask_pattern = re.compile("子网掩码  (\. )*: %s" % ipstr)
        pattern = re.compile(ipstr)
        masklist = []
        for maskaddr in mask_pattern.finditer(output):
            mask = pattern.search(maskaddr.group())
            masklist.append(mask.group())
        return masklist


def get_broad_addr(ipstr, maskstr):
    iptokens = map(int, ipstr.split("."))
    masktokens = map(int, maskstr.split("."))
    broadlist = []
    iptokens = list(iptokens)
    masktokens = list(masktokens)
    for i in range(len(iptokens)):
        ip = iptokens[i]
        mask = masktokens[i]
        broad = ip & mask | (~mask & 255)#这里原作者是的意思是 先通过ip & mask去掉ip的后n位，n由mask决定，然后再把后n位补充为1.python里面取反也是按位取反，只不过python里面没有专门的无符号整数，所以打印~mask之后是一个负数，但是按位取反是成功的。也就是说01表示有符号数1，按位取反之后表示10表示有符号数-2，也就是网传的~x = -(x + 1)
        broadlist.append(broad)
    return '.'.join(map(str, broadlist))


def find_all_broad(platform):
    ipstr = '([0-9]{1,3}\.){3}[0-9]{1,3}'
    if platform == "Darwin" or platform == "Linux":
        ipconfig_process = subprocess.Popen("ifconfig", stdout=subprocess.PIPE)
        output = (ipconfig_process.stdout.read())
        broad_pattern = re.compile('(broadcast %s)' % ipstr)
        if platform == "Linux":
            broad_pattern = re.compile(r'Bcast:%s' % ipstr)
        pattern = re.compile(ipstr)
        broadlist = []
        for broadaddr in broad_pattern.finditer(str(output)):
            broad = pattern.search(broadaddr.group())
            broadlist.append(broad.group())
        return broadlist
    elif platform == "Windows":
        iplist = find_all_ip(platform)
        masklist = find_all_mask(platform)
        broadlist = []
        for i in range(len(iplist)):
            broadlist.append(get_broad_addr(iplist[i], masklist[i]))
        return broadlist


system = platform.system()
print(find_all_ip(system))
print(find_all_mask(system))
print(find_all_broad(system))