OUI Lookup
001b67
Cisco Systems Inc
Manufacturer Information
- OUI Prefix
- 001b67
- Manufacturer
- Cisco Systems Inc
- Address
- The Stella Building Swindon Wiltshire GB SN5 6NX
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 001B67
The OUI prefix 001B67 is assigned to Cisco Systems Inc, based in The Stella Building Swindon Wiltshire GB SN5 6NX . 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 Cisco Systems Inc.