OUI Lookup
001c5b
Chubb Electronic Security Systems Ltd
Manufacturer Information
- OUI Prefix
- 001c5b
- Manufacturer
- Chubb Electronic Security Systems Ltd
- Address
- Shadsworth Road Blackburn Lancashire GB BB1 2PR
- Last updated
- 6/11/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 001C5B
The OUI prefix 001C5B is assigned to Chubb Electronic Security Systems Ltd, based in Shadsworth Road Blackburn Lancashire GB BB1 2PR . 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 Chubb Electronic Security Systems Ltd.