OUI Lookup
04f021
Compex Systems Pte Ltd
Manufacturer Information
- OUI Prefix
- 04f021
- Manufacturer
- Compex Systems Pte Ltd
- Address
- 135 Joo Seng Road, SG 368363
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 04F021
The OUI prefix 04F021 is assigned to Compex Systems Pte Ltd, based in 135 Joo Seng Road, SG 368363 . 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 Compex Systems Pte Ltd.