OUI Lookup
00123a
Posystech Inc., Co.
Manufacturer Information
- OUI Prefix
- 00123a
- Manufacturer
- Posystech Inc., Co.
- Address
- Room 407, Daeryung Techno Town 6, Seoul KR 153-771
- Last updated
- 6/10/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 00123A
The OUI prefix 00123A is assigned to Posystech Inc., Co., based in Room 407, Daeryung Techno Town 6, Seoul KR 153-771 . 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 Posystech Inc., Co..