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schangxiang@126.com
2025-09-19 18966e02fb573c7e2bb0c6426ed792b38b910940
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Netmask = require('netmask').Netmask
 
ip = process.argv[2]
netmask = new Netmask(ip)
 
out = console.log
out "Address: #{ip.split('/', 1)[0]}"
out "Netmask: #{netmask.mask} = #{netmask.bitmask}"
out "Wildcard: #{netmask.hostmask}"
out "=>"
out "Network: #{netmask.base}/#{netmask.bitmask}"
out "HostMin: #{netmask.first}"
out "HostMax: #{netmask.last}"
out "Broadcast: #{netmask.broadcast}"
out "Hosts/Net: #{netmask.size}"
 
out netmask.next()