Vendor name: ELFTECH Co., Ltd.

MAC Prefix: 80:B9:5C

MAC Range: 80:B9:5C:00:00:00 - 80:B9:5C:FF:FF:FF

Type: MA-L

Address: 174, Daehyeon Techno World 6F 609,
　　　　　Uiwang-Si Gyeonggi-Do 437-753
　　　　　 KR