MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Grandstream Networks Inc
OUI: EC:74:D7
Range: EC:74:D7:00:00:00 - EC:74:D7:FF:FF:FF
Block Size: 16777215 (16.77 M)
Universally administered addresses (UAA) : the address is uniquely assigned by its manufacturer.
Type of transmission: Unicast
Wireshark:
GrandstreamN
Grandstream Networks Inc