OUI Lookup
0021b5
Galvanic Ltd
Manufacturer Information
- OUI Prefix
- 0021b5
- Manufacturer
- Galvanic Ltd
- Address
- 38 Nothumberland Road Dublin IE 2
- Last updated
- 6/11/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 0021B5
The OUI prefix 0021B5 is assigned to Galvanic Ltd, based in 38 Nothumberland Road Dublin IE 2 . 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 Galvanic Ltd.