Netmask manipulation routines

Table of Contents

Netmask::Check - Check the netmask

Netmask::Check4 - Check the IPv4 netmask Note that 0.0.0.0 is not a correct netmask.

Netmask::Check6 - Check the IPv6 netmask

Netmask::FromBits - Convert netmask in bits form (24) to netmask string (255.255.240.0)

Netmask::ToBits - Convert IPv4 netmask as string (255.255.240.0) to bits form (24)