OUI Lookup
ccf538
3isysnetworks
Manufacturer Information
- OUI Prefix
- ccf538
- Manufacturer
- 3isysnetworks
- Address
- 11F-2 No1247 , Jung Jeng RD , Taipei Taiwan TW 0000
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix CCF538
The OUI prefix CCF538 is assigned to 3isysnetworks, based in 11F-2 No1247 , Jung Jeng RD , Taipei Taiwan TW 0000 . 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 3isysnetworks.