OUI Lookup
a4975c
VTech Telecommunications Ltd.
Manufacturer Information
- OUI Prefix
- a4975c
- Manufacturer
- VTech Telecommunications Ltd.
- Address
- 23/F,Tai Ping Industrial Centre ,Block 1 Hong Kong CN 000000
- Last updated
- 6/9/2026
Vendor Statistics
- Total prefixes
- 4
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix A4975C
The OUI prefix A4975C is assigned to VTech Telecommunications Ltd., based in 23/F,Tai Ping Industrial Centre ,Block 1 Hong Kong CN 000000 . 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 VTech Telecommunications Ltd..