OUI Lookup
0003b4
Macrotek International Corp.
Manufacturer Information
- OUI Prefix
- 0003b4
- Manufacturer
- Macrotek International Corp.
- Address
- 2F, No. 28, Lane 46 Taipei Taipei TW TAIWAN
- Last updated
- 6/11/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 0003B4
The OUI prefix 0003B4 is assigned to Macrotek International Corp., based in 2F, No. 28, Lane 46 Taipei Taipei TW TAIWAN . 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 Macrotek International Corp..