OUI Lookup
b0386c
EFM Networks
Manufacturer Information
- OUI Prefix
- b0386c
- Manufacturer
- EFM Networks
- Address
- 6th Floor, Benposra II B/D 15, Jukjeon-ro, Giheung-gu Yongin-si Kyunggi-do KR 16897
- Last updated
- 6/10/2026
Vendor Statistics
- Total prefixes
- 8
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix B0386C
The OUI prefix B0386C is assigned to EFM Networks, based in 6th Floor, Benposra II B/D 15, Jukjeon-ro, Giheung-gu Yongin-si Kyunggi-do KR 16897 . 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 EFM Networks.