OUI Lookup
ac81b5
Accton Technology Corporation
Manufacturer Information
- OUI Prefix
- ac81b5
- Manufacturer
- Accton Technology Corporation
- Address
- No. 1 Creation Rd. III, Science-based Industrial Park Hsinchu TW 300
- Last updated
- 6/11/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix AC81B5
The OUI prefix AC81B5 is assigned to Accton Technology Corporation, based in No. 1 Creation Rd. III, Science-based Industrial Park Hsinchu TW 300 . 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 Accton Technology Corporation.