MAC Address Lookup

Find the vendor name of a device by entering an OUI or a MAC address


Songwoo Information & Technology Co., Ltd

Unique prefixes: 2

Block Size: 16781310 (16.78 M)

First registration: 11 June 2019

Last updated: 29 August 2020


MA-L: Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)

MA-S: Mac Address Block Small (previously named OUI-36, encompasses IAB Assignments). Number of address 2^12 (4096)

MAC PrefixTypeRegistration Date