Manipulate IPv4/IPv6 netblocks in CIDR notation
The Net::CIDR package contains functions that manipulate lists of IP
netblocks expressed in CIDR notation. The Net::CIDR functions handle both
IPv4 and IPv6 addresses.
The cidrvalidate() function, described below, checks that its argument is a
single, valid IP address or a CIDR. The remaining functions expect that
their parameters consist of validated IPs or CIDRs. See cidrvalidate() and
BUGS, below, for more information.
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