May 26, 2018

Advanced IP/IPv6 subnet calculation and discovery

The subcalc utility is used for subnet calculation and IPv6 DNS PTR record generation. subcalc takes command line arguments in a similar format to ifconfig8 so the synopsis should be familiar to the user. Given an address family, address and a netmask/prefix length, subcalc will calculate the number of hosts and address ranges of the specific network.

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