SHENZHEN TOPWELL TECHNOLOGY CO., LTD.

Unique prefixes: 3

Block Size: 18874365 (18.87 M)

First registration: 15 February 2018

Last updated: 20 September 2023

Types

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

MA-M: Mac Address Block Medium. Number of address 2^20 (~1 Million)

MAC Prefix Type Registration Date
04:EE:E8:D MA-M 2021-11-06
48:0B:B2:C MA-M 2018-02-15
FC:47:8D MA-L 2023-09-20