OUI Lookup
0003bb
Signal Communications Limited
Manufacturer Information
- OUI Prefix
- 0003bb
- Manufacturer
- Signal Communications Limited
- Address
- Unit 217, 2/F, HKITC, HONG HK KONG
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 0003BB
The OUI prefix 0003BB is assigned to Signal Communications Limited, based in Unit 217, 2/F, HKITC, HONG HK KONG . 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 Signal Communications Limited.