Dump:
[000]  00 05 22 01  AC 32 00 02  AC 32 00 02  80 20 FF 99
[016]  05 90 00 48

$VAR1 = {
          'seqNo' => '2149646233',
          'length' => 72,
          'checksum' => 1424,
          'advRouter' => '172.50.0.2',
          'options' => '*|-|DC|-|-|-|E|*',
          'lsid' => '172.50.0.2',
          'type' => 'Router-LSA',
          'age' => 5
        };