Vendor name: Changzhou Tiannengbo System Co. Ltd.

MAC Prefix: 90:38:DF

MAC Range: 90:38:DF:00:00:00 - 90:38:DF:FF:FF:FF

Type: MA-L

Address: #9 East Hehai Road, RM 306
　　　　　Changzhou Jiangsu Province 213000
　　　　　 CN