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IEEE Registrant 42 Prefixes

Tuya Smart Inc.

Tuya Smart Inc. manages 42 unique MAC address prefixes. These prefixes have a total block size of 704.6 million addresses.

The allocation includes the following types: MA-L(MAC Address Block Large, 16,777,216 addresses each).

The company registered its MAC address allocation on 11 October 2017, and the most recent update was made on 21 August 2026. These allocations support network identification and communication globally.

Unique prefixes 42
Block Size 704643030 (704.64 M)
First registration 11 October 2017
Last updated 21 August 2026

Entity Details

Unique prefixes 42
Block Size 704643030 (704.64 M)
First registration 11 October 2017
Last updated 21 August 2026

Types

MA-L: Block Type

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

Registered MAC Prefixes

All Organizationally Unique Identifiers and MAC ranges assigned to this vendor

42 Records
MAC PrefixTypeRegistration Date
00:33:7A MA-L2025-05-19
10:5A:17 MA-L2021-06-25
10:D5:61 MA-L2021-01-16
18:69:D8 MA-L2020-01-14
18:DE:50 MA-L2023-03-15
1C:90:FF MA-L2022-05-27
20:F1:B2 MA-L2025-09-17
2C:B4:71 MA-L2026-03-17
30:48:7D MA-L2025-12-17
38:1F:8D MA-L2021-07-01
38:2C:E5 MA-L2024-05-07
38:A5:C9 MA-L2024-06-19
3C:0B:59 MA-L2025-03-11
4C:A9:19 MA-L2023-12-08
50:8A:06 MA-L2021-03-03
50:8B:B9 MA-L2022-11-01
68:57:2D MA-L2017-10-11
70:89:76 MA-L2020-11-12
7C:F6:66 MA-L2021-02-11
80:64:7C MA-L2025-03-11
84:E3:42 MA-L2020-08-15
A0:92:08 MA-L2021-11-18
A8:80:55 MA-L2022-11-01
A8:DD:BC MA-L2026-08-21
AC:F8:78 MA-L2026-08-21
B8:06:0D MA-L2023-08-22
BC:35:1E MA-L2025-05-19
C0:F8:53 MA-L2024-11-07
C4:82:E1 MA-L2023-03-15
CC:8C:BF MA-L2021-11-18
D0:32:E7 MA-L2026-06-18
D0:82:E8 MA-L2026-06-18
D0:82:EB MA-L2026-03-17
D4:A6:51 MA-L2020-04-15
D8:1F:12 MA-L2021-07-01
D8:C8:0C MA-L2024-11-07
D8:D6:68 MA-L2023-08-22
D8:FC:92 MA-L2025-12-17
E4:AE:E4 MA-L2025-09-17
F8:17:2D MA-L2024-06-19
FC:3C:D7 MA-L2023-12-08
FC:67:1F MA-L2022-05-27