Vendor name: eSang Technologies Co., Ltd.

MAC Prefix: 00:22:1F

MAC Range: 00:22:1F:00:00:00 - 00:22:1F:FF:FF:FF

Type: MA-L

Address: #1-817, IT Castle 550-1, Gasan-Dong,
　　　　　Seoul 153-768
　　　　　 KR