用于处理无类ip地址的cli实用程序
cidr-brewer的Python项目详细描述
版权所有2016 Caleb Evans
根据麻省理工学院许可证发布
cidr brewer是一个命令行实用程序,它显示 无类IP地址(如子网掩码和网络ID),因此 需要你自己计算。
安装
您可以通过PIP安装CIDR Brewer(理想情况下为全球):
pip install cidr-brewer
用法
若要使用,请使用一个或两个IP从命令行运行cidr-brewer。 地址。
一个IP地址
如果您使用斜线符号传递单个IP地址,CIDR Brewer将 计算子网掩码、网络ID、广播ID和 有效/可用的IP地址。
$ ./cidrbrewer.py 192.168.19.100/25 Given IP address: 192.168.19.100/25 11000000.10101000.00010011.01100100 Subnet mask: 255.255.255.128 11111111.11111111.11111111.10000000 Network ID: 192.168.19.0/25 11000000.10101000.00010011.00000000 Broadcast ID: 192.168.19.127 11000000.10101000.00010011.01111111 First Available Address: 192.168.19.1 11000000.10101000.00010011.00000001 Last Available Address: 192.168.19.126 11000000.10101000.00010011.01111110 Subnet Size: 2^7 - 2 = 126
此外,如果你提供一个区块大小的列表,苹果酒酿造商将 为每个子块计算相同的信息
$ ./cidrbrewer.py 42.114.152.128/25 --block-sizes 16 64 16 32 Given IP address: 42.114.152.128/25 00101010.01110010.10011000.10000000 Block 1: Block Size: 2^6 = 64 Network ID: 42.114.152.128/26 00101010.01110010.10011000.10000000 Broadcast ID: 42.114.152.191 00101010.01110010.10011000.10111111 First Available Address: 42.114.152.129 00101010.01110010.10011000.10000001 Last Available Address: 42.114.152.190 00101010.01110010.10011000.10111110 Subnet Size: 2^6 - 2 = 62 Block 2: Block Size: 2^5 = 32 Network ID: 42.114.152.192/27 00101010.01110010.10011000.11000000 Broadcast ID: 42.114.152.223 00101010.01110010.10011000.11011111 First Available Address: 42.114.152.193 00101010.01110010.10011000.11000001 Last Available Address: 42.114.152.222 00101010.01110010.10011000.11011110 Subnet Size: 2^5 - 2 = 30 Block 3: Block Size: 2^4 = 16 Network ID: 42.114.152.224/28 00101010.01110010.10011000.11100000 Broadcast ID: 42.114.152.239 00101010.01110010.10011000.11101111 First Available Address: 42.114.152.225 00101010.01110010.10011000.11100001 Last Available Address: 42.114.152.238 00101010.01110010.10011000.11101110 Subnet Size: 2^4 - 2 = 14 Block 4: Block Size: 2^4 = 16 Network ID: 42.114.152.240/28 00101010.01110010.10011000.11110000 Broadcast ID: 42.114.152.255 00101010.01110010.10011000.11111111 First Available Address: 42.114.152.241 00101010.01110010.10011000.11110001 Last Available Address: 42.114.152.254 00101010.01110010.10011000.11111110 Subnet Size: 2^4 - 2 = 14
两个IP地址
如果您传递两个IP地址(不带斜杠符号),cidr brewer将 同时计算通信所需的最大子网掩码 这两个地址。
$ ./cidrbrewer.py 172.16.11.74 172.16.11.78 Given IP addresses: 172.16.11.74 10101100.00010000.00001011.01001010 172.16.11.78 10101100.00010000.00001011.01001110 Largest subnet mask allowing communication: 29 bits 255.255.255.248 11111111.11111111.11111111.11111000 Network ID: 172.16.11.72/29 10101100.00010000.00001011.01001000 Broadcast ID: 172.16.11.79 10101100.00010000.00001011.01001111 First Available Address: 172.16.11.73 10101100.00010000.00001011.01001001 Last Available Address: 172.16.11.78 10101100.00010000.00001011.01001110 Subnet Size: 2^3 - 2 = 6
如果您传递两个IP地址(带有斜线符号),CIDR Brewer将 同时指出IP地址是否已经可以在 各自的子网。
$ ./cidrbrewer.py 125.47.32.170/25 125.47.32.53/25 Given IP addresses: 125.47.32.170/25 01111101.00101111.00100000.10101010 125.47.32.53/25 01111101.00101111.00100000.00110101 Can these IP addresses communicate? No Largest subnet mask allowing communication: 24 bits 255.255.255.0 11111111.11111111.11111111.00000000 Network ID: 125.47.32.0/24 01111101.00101111.00100000.00000000 Broadcast ID: 125.47.32.255 01111101.00101111.00100000.11111111 First Available Address: 125.47.32.1 01111101.00101111.00100000.00000001 Last Available Address: 125.47.32.254 01111101.00101111.00100000.11111110 Subnet Size: 2^8 - 2 = 254
示例
/examples目录包含示例IP地址,您可以 对实用程序进行测试
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