macadress

Tuya Smart Inc.

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
PrefixD4:A6:51:00:00:00 /24
Vendor address160 Greentree Drive, Suite 101 Dover DE US 19904
Country🇺🇸  United States
RegisteredApr 15, 2020
Block rangeD4:A6:51:00:00:00– D4:A6:51: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

  1. Apr 15, 2020 – Jun 10, 2020 Tuya HK Limited name changed
  2. Jun 10, 2020 – Nov 20, 2020 HANGZHOU AIXIANGJI TECHNOLOGY CO., LTD name changedaddress changedcountry changed
  3. Nov 20, 2020 – 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

D4:A6:51:00:00:00 D4:A6:51:7F:FF:FF D4:A6:51:FF:FF:FF

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