OUI Lookup
001efa
PROTEI Ltd.
Manufacturer Information
- OUI Prefix
- 001efa
- Manufacturer
- PROTEI Ltd.
- Address
- 60A B.Sampsonievsky, Business Center St.Petersburg RU RU 194044
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 001EFA
The OUI prefix 001EFA is assigned to PROTEI Ltd., based in 60A B.Sampsonievsky, Business Center St.Petersburg RU RU 194044 . 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 PROTEI Ltd..