OUI Lookup
00021f
Aculab PLC
Manufacturer Information
- OUI Prefix
- 00021f
- Manufacturer
- Aculab PLC
- Address
- Lakeside, Bramley Road Milton Keynes GB MK1 1PT
- Last updated
- 6/11/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 00021F
The OUI prefix 00021F is assigned to Aculab PLC, based in Lakeside, Bramley Road Milton Keynes GB MK1 1PT . It is a MA-L type block of 24 bits (first three octets). Allows up to 16 million unique MAC addresses. If you find this prefix on your network, the devices belong to Aculab PLC.