MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Woojyun Systec Co., Ltd.
OUI prefix: 00:07:3F
Vendor name: Woojyun Systec Co., Ltd.
4F Han Yang B/D
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Last updated: 17 November 2015
Initial registration: 24 October 2001