1 registered blocks

Sigma Bilisim Sist. Tekn. Elk. Enj. ve San. D??. Tic. Ltd. ?ti. MAC Addresses

All OUI prefixes assigned to Sigma Bilisim Sist. Tekn. Elk. Enj. ve San. D??. Tic. Ltd. ?ti. by the IEEE. Any device MAC beginning with one of these belongs to this vendor.