MAC Address Lookup

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


Shanghai Engineering Science & Technology Co.,LTD CGNPC

Unique prefixes: 1

Block Size: 16777215 (16.77 M)

First registration: 27 September 2019


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

MAC PrefixTypeRegistration Date