MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Entra Technology Co.
OUI prefix: 00:03:B5
Vendor name: Entra Technology Co.
TAIWAN TAIWAN R.O.C.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Last updated: 17 November 2015
Initial registration: 09 November 2000