ctAliasMacAddress 1.3.6.1.4.1.52.4.1.3.7.1.1.1.1.4

The MAC address associated with this alias. The TEXTUAL-CONVENTION MacAddress is defined in SNMPv2-TC as an 802 MAC address represented in 'canonical' order as defined by IEEE 802.1a, i.e., as if it were transmitted least significant bit first.