[{"mac_prefix":"F0:22:1D:30","mask_bits":28,"block_type":"MA-M","organization":"ShenZhen Shizao Electronic Technology","address":"NO.8 RuiYuan Road, Bo Gang SongShan Industrial Zone, ShaJing, Bao'an District, ShenZhen, P.R.China ShenZhen Guangdong CN 518100","country":"CN"}]