MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Changzhou Tiannengbo System Co. Ltd.
MAC address prefix 90:38:DF is registered to Changzhou Tiannengbo System Co. Ltd., located at #9 East Hehai RoadRM 306Changzhou Jiangsu Province 213000CN.
This registration is classified as MA-L (Mac Address Block Large) containing approximately 16 million MAC addresses
The prefix was initially registered on 05 October 2012, with the most recent update made on 17 November 2015.
OUI: 90:38:DF
Vendor name: Changzhou Tiannengbo System Co. Ltd.
Address:
Assignment Type MA-L #9 East Hehai Road
RM 306
Changzhou Jiangsu Province 213000
CN.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Last updated: 17 November 2015
Initial registration: 05 October 2012
