You can use SNMP that comes with net-snmp.

use strict;
use warnings;

use SNMP;

$SNMP::use_long_names = 1;
print SNMP::translateObj('1.3.6'), "\n";
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prints

.iso.org.dod
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It's not pure Perl. The SNMP modules depends on the net-snmp libraries. But it is available for Windows.