[{"mac_prefix":"00:50:C2:2F:D0","mask_bits":36,"block_type":"IAB","organization":"American Microsystems, Ltd.","address":"2190 Regal Parkway Euless Texas US 76040","country":"US"},{"mac_prefix":"00:50:C2:E9:E0","mask_bits":36,"block_type":"IAB","organization":"American Microsystems, Ltd.","address":"2190 Regal Parkway Euless Texas US 76040","country":"US"},{"mac_prefix":"00:50:C2:FD:50","mask_bits":36,"block_type":"IAB","organization":"American Microsystems, Ltd.","address":"2190 Regal Pkwy Euless TX US 76040","country":"US"}]