NXP Semiconductors Taiwan Ltd.

MA-L

MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.

Prefix38:B9:AF:00:00:00 /24

Vendor addressNo. 10, Jing 5th Rd., Nanzi Dist., Kaohsiung City 811643, Taiwan Nanzi Dist. Kaohsiung TW 811643

RegisteredJul 22, 2025

Block range38:B9:AF:00:00:00– 38:B9:AF: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 →

Example addresses in this block

38:B9:AF:00:00:00 38:B9:AF:7F:FF:FF 38:B9:AF:FF:FF:FF

Where this block sits

Next 38:B9:B2:00:00:00 /24 GD Midea Air-Conditioning Equipment Co.,Ltd.

The nearest registered blocks of the same size on either side of this one in IEEE's address space.

NXP Semiconductors Taiwan Ltd. holds 18 registered blocks in the IEEE registry, ranking #189 of 33,498 organizations by block count.

Other blocks registered to NXP Semiconductors Taiwan Ltd.

0C:51:41:00:00:00 /24 MA-L 10:CB:33:00:00:00 /24 MA-L 10:ED:C8:00:00:00 /24 MA-L 14:4F:F0:00:00:00 /24 MA-L 1C:04:60:00:00:00 /24 MA-L 24:1F:49:00:00:00 /24 MA-L 34:E1:D7:00:00:00 /24 MA-L 44:D4:65:00:00:00 /24 MA-L 5C:E6:74:00:00:00 /24 MA-L 68:58:92:00:00:00 /24 MA-L 68:5E:DF:00:00:00 /24 MA-L 68:86:E0:00:00:00 /24 MA-L