OUI Lookup
0021a7
Hantle System Co., Ltd.
Manufacturer Information
- OUI Prefix
- 0021a7
- Manufacturer
- Hantle System Co., Ltd.
- Address
- 481-10 Byucksan Digital Vally II, RM 1511 Seoul City Seoul KR 153-783
- Last updated
- 6/11/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 0021A7
The OUI prefix 0021A7 is assigned to Hantle System Co., Ltd., based in 481-10 Byucksan Digital Vally II, RM 1511 Seoul City Seoul KR 153-783 . 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 Hantle System Co., Ltd..