OUI Lookup
000efa
Optoway Technology Incorporation
Manufacturer Information
- OUI Prefix
- 000efa
- Manufacturer
- Optoway Technology Incorporation
- Address
- No. 38, Kuang Fu South Road Hu Kou Hsin Chu TW 303
- Last updated
- 6/11/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 000EFA
The OUI prefix 000EFA is assigned to Optoway Technology Incorporation, based in No. 38, Kuang Fu South Road Hu Kou Hsin Chu TW 303 . 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 Optoway Technology Incorporation.