python 判断两个ip地址是否属于同一子网

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python 判断两个ip地址是否属于同一子网

"""
判断两个IP是否属于同一子网, 需要判断网络地址是否相同
网络地址：IP地址的二进制与子网掩码的二进制地址逻辑“与”得到
主机地址: IP地址的二进制与子网掩码的二进制取反地址逻辑“与”得到
"""class IpAddrConverter(object): def __init__(self, ip_addr, net_mask):
self.ip_addr = ip_addr
self.net_mask = net_mask @staticmethod
def _get_bin(target):
if not target.isdigit():
raise Exception('bad ip address')
target = int(target)
assert target < 256, 'bad ip address'
res = ''
temp = target
for t in range(8):
a, b = divmod(temp, 2)
temp = a
res += str(b)
if temp == 0:
res += '0' * (7 - t)
break
return res[::-1] def _to_32_bin(self, ip_address):
temp_list = ip_address.split('.')
assert len(temp_list) == 4, 'bad ip address'
return ''.join(list(map(self._get_bin, temp_list))) @property
def ip_32_bin(self):
return self._to_32_bin(self.ip_addr) @property
def mask_32_bin(self):
return self._to_32_bin(self.net_mask) @property
def net_address(self):
ip_list = self.ip_addr.split('.')
mask_list = self.net_mask.split('.')
and_result_list = list(map(lambda x: str(int(x[0]) & int(x[1])), list(zip(ip_list, mask_list))))
return '.'.join(and_result_list) @property
def host_address(self):
ip_list = self.ip_addr.split('.')
mask_list = self.net_mask.split('.')
rever_mask = list(map(lambda x: abs(255 - int(x)), mask_list))
and_result_list = list(map(lambda x: str(int(x[0]) & int(x[1])), list(zip(ip_list, rever_mask))))
return '.'.join(and_result_list)if __name__ == '__main__':
ip01 = IpAddrConverter("211.95.165.24", "255.255.254.0")
ip02 = IpAddrConverter("211.95.164.78", "255.255.254.0")
print(ip01.net_address == ip02.net_address)