OUI Lookup
002181
Si2 Microsystems Limited
Manufacturer Information
- OUI Prefix
- 002181
- Manufacturer
- Si2 Microsystems Limited
- Address
- No 84, Sy No 150, EPIP, Whitefield Industrial Area Bangalore Karnataka IN 560066
- Last updated
- 6/10/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 002181
The OUI prefix 002181 is assigned to Si2 Microsystems Limited, based in No 84, Sy No 150, EPIP, Whitefield Industrial Area Bangalore Karnataka IN 560066 . 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 Si2 Microsystems Limited.