OUI Lookup
b4effa
Lemobile Information Technology (Beijing) Co., Ltd.
Manufacturer Information
- OUI Prefix
- b4effa
- Manufacturer
- Lemobile Information Technology (Beijing) Co., Ltd.
- Address
- 5/F LeEco Building, 105 Yaojiayuan Road, Chaoyang District Beijing Beijing CN 100025
- Last updated
- 6/13/2026
Vendor Statistics
- Total prefixes
- 2
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix B4EFFA
The OUI prefix B4EFFA is assigned to Lemobile Information Technology (Beijing) Co., Ltd., based in 5/F LeEco Building, 105 Yaojiayuan Road, Chaoyang District Beijing Beijing CN 100025 . 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 Lemobile Information Technology (Beijing) Co., Ltd..