MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix84:E3:42:00:00:00 /24
Vendor addressFLAT/RM 806 BLK ? 8/F CHEUNG SHA WAN PLAZA 833 CHEUNG SHA WAN ROAD KL hongkong Hong Kong CN 999077
Country🇨🇳 China
RegisteredAug 16, 2020
Block range84:E3:42:00:00:00– 84:E3:42:FF:FF:FF
Address capacity16,777,216
AdministrationUniversally administered: its prefix comes from a block registered through the IEEE Registration Authority
TransmissionUnicast: addressed to a single device
SourceIEEE Registration Authority
Address capacity is the size of this registered block, not a count of devices actually manufactured or online. Registration identifies the organization holding the block, not a specific device model or unit.
Curious how a prefix like this turns into a full address? See how MAC addresses are structured →
Ownership timeline
- Aug 16, 2020 – Nov 13, 2020 Tuya?HK?Limietd name changed
- Nov 13, 2020 – Jun 3, 2021 Tuya (HK) Limietd name changed
- Jun 3, 2021 – present Tuya Smart Inc.
Dates show when a change became public in the IEEE registry. How we track ownership history →
Example addresses in this block
Where this block sits
Tuya Smart Inc. holds 42 registered blocks in the IEEE registry, ranking #88 of 33,498 organizations by block count.
Other blocks registered to Tuya Smart Inc.
00:33:7A:00:00:00 /24
MA-L
10:5A:17:00:00:00 /24
MA-L
10:D5:61:00:00:00 /24
MA-L
18:69:D8:00:00:00 /24
MA-L
18:DE:50:00:00:00 /24
MA-L
1C:90:FF:00:00:00 /24
MA-L
20:F1:B2:00:00:00 /24
MA-L
2C:B4:71:00:00:00 /24
MA-L
30:48:7D:00:00:00 /24
MA-L
38:1F:8D:00:00:00 /24
MA-L
38:2C:E5:00:00:00 /24
MA-L
38:A5:C9:00:00:00 /24
MA-L