NAME

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

SYNOPSIS

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

FUNCTION

get($addr)

As get_with_prefix(), except it returns only the list of AS numbers for the address, if any.

get_with_prefix($addr)

Takes a string (or a Net::IP::XS object) with a single IP address, and does a lookup in either: a) Cymru-style DNS zone or b) RIPE whois server, depending on Zonemaster::Engine::Profile setting "asn_db{style}".

Returns a list of a reference to a list of AS numbers, a Net::IP::XS object of the covering prefix for that AS, a string of the raw query, and a string of the return code for that query.