Vendor name: Seowonintech Co Ltd.

MAC Prefix: 00:21:07

MAC Range: 00:21:07:00:00:00 - 00:21:07:FF:FF:FF

Type: MA-L

Address: 689-47 Geumjeongdong
　　　　　Gunposi Kyoungkido 436-862
　　　　　 KR