Bouffalo Lab (Nanjing) Co., Ltd.

MA-L

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

PrefixAC:87:3F:00:00:00 /24

Vendor address5F, Gongxiang Space, No.100 Tuanjie Road, Nanjing, China Nanjing Jiangsu CN 211800

RegisteredJul 30, 2026

Block rangeAC:87:3F:00:00:00– AC:87:3F: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

AC:87:3F:00:00:00 AC:87:3F:7F:FF:FF AC:87:3F:FF:FF:FF

Where this block sits

Next AC:87:46:00:00:00 /24 Huizhou BYD Electronic Co., Ltd.

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

Bouffalo Lab (Nanjing) Co., Ltd. holds 28 registered blocks in the IEEE registry, ranking #123 of 33,427 organizations by block count.

Other blocks registered to Bouffalo Lab (Nanjing) Co., Ltd.

1C:78:4B:00:00:00 /24 MA-L 24:86:02:00:00:00 /24 MA-L 28:BB:ED:00:00:00 /24 MA-L 4C:A0:3D:00:00:00 /24 MA-L 54:7A:F4:00:00:00 /24 MA-L 68:53:77:00:00:00 /24 MA-L 74:88:A8:00:00:00 /24 MA-L 7C:3E:82:00:00:00 /24 MA-L 7C:B9:4C:00:00:00 /24 MA-L 80:6A:34:00:00:00 /24 MA-L 88:1E:C8:00:00:00 /24 MA-L 8C:E8:07:00:00:00 /24 MA-L