MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Sejin Electron, Inc.
MAC address prefix 00:21:7A is registered to Sejin Electron, Inc., located at SJ TechnovilleSeoul 153-801KR.
This registration is classified as MA-L (Mac Address Block Large) containing approximately 16 million MAC addresses
The prefix was initially registered on 25 October 2008, with the most recent update made on 17 November 2015.
OUI: 00:21:7A
Vendor name: Sejin Electron, Inc.
Address:
Assignment Type MA-L SJ Technoville
Seoul 153-801
KR.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Last updated: 17 November 2015
Initial registration: 25 October 2008
