MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
OPTiM Corporation
OUI: D4:7C:44:B
Range: D4:7C:44:B0:00:00 - D4:7C:44:BF:FF:FF
Block Size: 1048575 (1.04 M)
Universally administered addresses (UAA) : the address is uniquely assigned by its manufacturer.
Type of transmission: Unicast
Wireshark:
OPTiM Corporation