[{"mac_prefix":"00:50:C2:61:70","mask_bits":36,"block_type":"IAB","organization":"NARINET, INC.","address":"Dept of Comp. Eng. CNU Daejeon  KR 305-764","country":"KR"},{"mac_prefix":"40:D8:55:EE:60","mask_bits":36,"block_type":"IAB","organization":"Narinet, Inc.","address":"C-303, Bundang Techno-Park Seongnam Gyunggi-Do KR 463-816","country":"KR"}]