OUI Lookup
04c991
Phistek INC.
Manufacturer Information
- OUI Prefix
- 04c991
- Manufacturer
- Phistek INC.
- Address
- 5 Floor, No.188, Section 3, Datong Road New Taipei City TW 221
- Last updated
- 6/11/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 04C991
The OUI prefix 04C991 is assigned to Phistek INC., based in 5 Floor, No.188, Section 3, Datong Road New Taipei City TW 221 . 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 Phistek INC..