OUI Lookup
0003b9
Hualong Telecom Co., Ltd.
Manufacturer Information
- OUI Prefix
- 0003b9
- Manufacturer
- Hualong Telecom Co., Ltd.
- Address
- 9 Guanghua St. P.R. CN
- Last updated
- 6/20/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 0003B9
The OUI prefix 0003B9 is assigned to Hualong Telecom Co., Ltd., based in 9 Guanghua St. P.R. CN . 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 Hualong Telecom Co., Ltd..