1 IEEE MAC address block registered to Sigma Bilisim Sist. Tekn. Elk. Enj. ve San. D??. Tic. Ltd. ?ti. in Turkey.
1 MA-LTR
Look up a device address in one of Sigma Bilisim Sist. Tekn. Elk. Enj. ve San. D??. Tic. Ltd. ?ti.'s blocks, for example C0:48:84:00:00:00.MAC vendor lookup