MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Lab241 Co.,Ltd.
MAC address prefix 70:B3:D5:21:B is registered to Lab241 Co.,Ltd., located at 1402Ho286Beotkkot-roGeumcheon-guSeoul Seoul 08511KR.
This registration is classified as MA-S (Mac Address Block Small, formerly known as OUI-36) containing approximately 4096 MAC addresses per block
The prefix was initially registered on 15 February 2018, with the most recent update made on 05 August 2025.
OUI: 70:B3:D5:21:B
Vendor name: Lab241 Co.,Ltd.
Address:
Assignment Type MA-S 1402Ho
286
Beotkkot-ro
Geumcheon-gu
Seoul Seoul 08511
KR.
Mac Address Block Small (previously named OUI-36, encompasses IAB Assignments). Number of address 2^12 (4096)
Last updated: 05 August 2025
Initial registration: 15 February 2018
