OUI Lookup
dcb3b4
Honeywell Environmental & Combustion Controls (Tianjin) Co., Ltd.
Manufacturer Information
- OUI Prefix
- dcb3b4
- Manufacturer
- Honeywell Environmental & Combustion Controls (Tianjin) Co., Ltd.
- Address
- 158 Nan Hai Road, TEDA Tianjin CN 300457
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix DCB3B4
The OUI prefix DCB3B4 is assigned to Honeywell Environmental & Combustion Controls (Tianjin) Co., Ltd., based in 158 Nan Hai Road, TEDA Tianjin CN 300457 . 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 Honeywell Environmental & Combustion Controls (Tianjin) Co., Ltd..