OUI Lookup
f449ef
EMSTONE
Manufacturer Information
- OUI Prefix
- f449ef
- Manufacturer
- EMSTONE
- Address
- #1201, Byeoksan Digital Valley 3rd, 271, Digital-ro Guro-Gu Seoul KR 08381
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 2
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix F449EF
The OUI prefix F449EF is assigned to EMSTONE, based in #1201, Byeoksan Digital Valley 3rd, 271, Digital-ro Guro-Gu Seoul KR 08381 . 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 EMSTONE.