OUI Lookup
0021ac
Infrared Integrated Systems Ltd
Manufacturer Information
- OUI Prefix
- 0021ac
- Manufacturer
- Infrared Integrated Systems Ltd
- Address
- Park Circle, Tithe Barn Way Northampton Northants GB NN4 9BG
- Last updated
- 6/11/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 0021AC
The OUI prefix 0021AC is assigned to Infrared Integrated Systems Ltd, based in Park Circle, Tithe Barn Way Northampton Northants GB NN4 9BG . 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 Infrared Integrated Systems Ltd.