MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Entra Technology Co.
MAC prefix: 00:03:B5
Vendor name: Entra Technology Co.
MAC range: 00:03:B5:00:00:00 - 00:03:B5:FF:FF:FF
Block Size: 16777215 (16.77 M)
TAIWAN TAIWAN R.O.C.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Initial registration: 09 November 2000
Last updated: 17 November 2015