An apparatus (100, 322), comprising: a memory resource storing executable instructions; and a processing resource to execute the instructions stored on the memory resource to: receive a message from a host computing device coupled to the apparatus (100, 322), determining whether the apparatus (100, 322) is in a particular mode, upon determining that the apparatus (100, 322) is in a particular operating mode: determine whether the received message includes a Host Based Media Access Control Address, HBMA, if the received message includes a HBMA, power components of the apparatus (100, 322) including a network interface controller of the apparatus (100, 322) and configure the apparatus (100, 322) using the HBMA by overwriting a Media Access Control, MAC, address of the apparatus (100, 322) with the HBMA, and if the received message does not include a HBMA, power components of the apparatus (100, 322) excluding the network interface controller of the apparatus (100, 322). a memory resource storing executable instructions; and a processing resource to execute the instructions stored on the memory resource to: receive a message from a host computing device coupled to the apparatus (100, 322), determining whether the apparatus (100, 322) is in a particular mode, upon determining that the apparatus (100, 322) is in a particular operating mode: determine whether the received message includes a Host Based Media Access Control Address, HBMA, if the received message includes a HBMA, power components of the apparatus (100, 322) including a network interface controller of the apparatus (100, 322) and configure the apparatus (100, 322) using the HBMA by overwriting a Media Access Control, MAC, address of the apparatus (100, 322) with the HBMA, and if the received message does not include a HBMA, power components of the apparatus (100, 322) excluding the network interface controller of the apparatus (100, 322). receive a message from a host computing device coupled to the apparatus (100, 322), determining whether the apparatus (100, 322) is in a particular mode, upon determining that the apparatus (100, 322) is in a particular operating mode: determine whether the received message includes a Host Based Media Access Control Address, HBMA, if the received message includes a HBMA, power components of the apparatus (100, 322) including a network interface controller of the apparatus (100, 322) and configure the apparatus (100, 322) using the HBMA by overwriting a Media Access Control, MAC, address of the apparatus (100, 322) with the HBMA, and if the received message does not include a HBMA, power components of the apparatus (100, 322) excluding the network interface controller of the apparatus (100, 322). determine whether the received message includes a Host Based Media Access Control Address, HBMA, if the received message includes a HBMA, power components of the apparatus (100, 322) including a network interface controller of the apparatus (100, 322) and configure the apparatus (100, 322) using the HBMA by overwriting a Media Access Control, MAC, address of the apparatus (100, 322) with the HBMA, and if the received message does not include a HBMA, power components of the apparatus (100, 322) excluding the network interface controller of the apparatus (100, 322).