OUI Lookup
0004b4
CIAC
Manufacturer Information
- OUI Prefix
- 0004b4
- Manufacturer
- CIAC
- Address
- 18 rue Joseph BARA FR
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 0004B4
The OUI prefix 0004B4 is assigned to CIAC, based in 18 rue Joseph BARA FR . 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 CIAC.