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回复 4# Herowinter
貌似ipcalc命令没有-c的选项呢?这不是通过IP地址去计算其他的地址的么?你
ipcalc -c 111.222.333.444
ipcalc: bad argument -c: unknown option
Usage: ipcalc [OPTION...]
-b, --broadcast Display calculated broadcast address
-h, --hostname Show hostname determined via DNS
-m, --netmask Display default netmask for IP (class A, B, or C)
-n, --network Display network address
-p, --prefix Display network prefix
-s, --silent Don't ever display error messages
Help options:
-?, --help Show this help message
--usage Display brief usage message |
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