OUI Lookup
00053b
Harbour Networks Ltd., Co. Beijing
Manufacturer Information
- OUI Prefix
- 00053b
- Manufacturer
- Harbour Networks Ltd., Co. Beijing
- Address
- 13/F, JiuLing Building, No. 21, CN 100089
- Last updated
- 6/11/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 00053B
The OUI prefix 00053B is assigned to Harbour Networks Ltd., Co. Beijing, based in 13/F, JiuLing Building, No. 21, CN 100089 . 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 Harbour Networks Ltd., Co. Beijing.