[英]Is there a way of converting cidr to subnet mask in python ? I tried searching online but not getting the Exact answer
我的 output 是
打印(網絡)
['10.202.224.0/24', '10.4.40.0/23', '10.3.41.0/24', '10.4.42.0/21']
這可以以某種方式轉換為
['10.202.224.0/255.255.255.0', '10.4.40.0/255.255.254.0', '10.4.41.0/255.255.255.0', '10.4.42.0/255.255.248.0']
任何有助於將 cidr 轉換為掩碼的東西。
提前致謝
您可以查看 python 代碼,點擊下面的鏈接可能會對您有所幫助:這是要關注的鏈接
代碼是:
import socket
import struct
def cidr_to_netmask(cidr):
network, net_bits = cidr.split('/')
host_bits = 32 - int(net_bits)
netmask = socket.inet_ntoa(struct.pack('!I', (1 << 32) - (1 << host_bits)))
return network, netmask
用法:
>>> cidr_to_netmask('10.10.1.32/27')
('10.10.1.32', '255.255.255.224')
>>> cidr_to_netmask('208.128.0.0/11')
('208.128.0.0', '255.224.0.0')
>>> cidr_to_netmask('208.130.28.0/22')
('208.130.28.0', '255.255.252.0')
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