Taicang T&W Electronics

Taicang T&W Electronics accessible at www.twsz.com, manages 40 unique MAC address prefixes. These prefixes are part of a massive allocation with a total block size of 655.4 million addresses.

The allocation includes the following types: MA-L (Mac Address Block Large, ~16 million addresses each), and MA-M (Mac Address Block Medium, ~1 Million addresses each).

The company registered its MAC address allocation on 22 April 2014, and the most recent update was made on 04 January 2025. These allocations support network identification and communication globally.

Unique prefixes: 40

Block Size: 655359960 (655.35 M)

www.twsz.com

First registration: 22 April 2014

Last updated: 04 January 2025

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 PrefixTypeRegistration Date
04:25:E0 MA-L2021-01-27
04:75:F9 MA-L2021-10-23
14:58:08 MA-L2021-06-29
18:45:93 MA-L2020-03-17
18:45:B3:D MA-M2021-09-25
24:0B:88 MA-L2020-11-03
2C:DD:95 MA-L2016-07-14
38:E3:C5 MA-L2015-11-17
40:33:06 MA-L2022-05-27
4C:06:17 MA-L2022-10-17
4C:81:20 MA-L2017-01-07
50:1B:32 MA-L2019-03-08
54:37:BB MA-L2021-03-16
5C:8C:30 MA-L2022-03-24
5C:F9:FD MA-L2020-08-13
60:BD:2C MA-L2023-05-22
64:D9:54 MA-L2014-04-22
6C:C6:3B MA-L2019-10-23
74:3C:18 MA-L2019-07-25
78:4F:24 MA-L2022-07-27
90:03:2E MA-L2024-06-03
90:0A:1A MA-L2017-03-29
A0:9B:17 MA-L2020-04-25
A4:1E:E1 MA-L2022-01-19
AC:37:28 MA-L2020-09-12
B4:26:5D MA-L2019-09-10
C4:48:FA MA-L2021-09-04
C8:9C:BB MA-L2023-08-03
D0:0E:D9 MA-L2015-11-17
D8:B0:20 MA-L2023-10-19
E0:3D:A6 MA-L2025-01-04
E4:DA:DF MA-L2021-12-21
E8:D0:B9 MA-L2019-06-12
EC:A2:A0 MA-L2023-04-03
F0:68:65 MA-L2019-04-29
F4:9E:EF MA-L2016-02-10
F8:0C:58 MA-L2021-05-11
F8:44:E3 MA-L2017-04-18
F8:6C:E1 MA-L2017-08-20
FC:10:C6 MA-L2016-09-08