NAME

       Zonemaster::ASNLookup - do lookups of ASNs for IP addresses

SYNOPSIS

          my ($asnref, $prefix) = Zonemaster::ASNLookup->get_with_prefix( '8.8.4.4' );
          my $asnref = Zonemaster::ASNLookup->get( '192.168.0.1' );

FUNCTION

       get($addr)
           Takes a string (or a Net::IP object) with a single IP address, does a lookup in a Cymru-style DNS
           zone and returns a list of AS numbers for the address, if any can be found.

       get_with_prefix($addr)
           As get(), except it returns a list of a reference to a list with the AS numbers, and a Net::IP object
           representing the prefix of the AS.