OUI Lookup
001e21
Qisda Corporation
Manufacturer Information
- OUI Prefix
- 001e21
- Manufacturer
- Qisda Corporation
- Address
- 157 Shan-Ying Road, Gueishan Taoyuan TW 333
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 7
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 001E21
The OUI prefix 001E21 is assigned to Qisda Corporation, based in 157 Shan-Ying Road, Gueishan Taoyuan TW 333 . 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 Qisda Corporation.