[{"mac_prefix":"E8:B4:70:40","mask_bits":28,"block_type":"MA-M","organization":"YAWATA ELECTRIC INDUSTRIAL CO.,LTD.","address":"1-17-1 Ohmorihigashi Ohta-ku Tokyo JP 143-0012","country":"JP"},{"mac_prefix":"40:D8:55:17:20","mask_bits":36,"block_type":"IAB","organization":"YAWATA ELECTRIC INDUSTRIAL CO.,LTD.","address":"1-17-1 Ohmorihigashi Ohta-ku Tokyo JP 143-0012","country":"JP"},{"mac_prefix":"70:B3:D5:BC:E0","mask_bits":36,"block_type":"MA-S","organization":"YAWATA ELECTRIC INDUSTRIAL CO.,LTD.","address":"1-17-1 Ohmorihigashi Ohta-ku Tokyo JP 143-0012","country":"JP"}]