[{"mac_prefix":"80:E9:4A","mask_bits":24,"block_type":"MA-L","organization":"LEAPS s.r.o.","address":"Hodoninska 1 Prague  CZ 14100","country":"CZ"},{"mac_prefix":"68:79:12:90","mask_bits":28,"block_type":"MA-M","organization":"LEAPS s.r.o.","address":"Hodoninska 1 Praha 4  CZ 141 00","country":"CZ"}]