MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Semptian Technologies Ltd.
MAC address prefix 00:21:45 is registered to Semptian Technologies Ltd., located at No. 809Tower BShi Ji Ke MaoBeijing 100190CN.
This registration is classified as MA-L (Mac Address Block Large) containing approximately 16 million MAC addresses
The prefix was initially registered on 25 October 2008, with the most recent update made on 17 November 2015.
OUI: 00:21:45
Vendor name: Semptian Technologies Ltd.
Address:
Assignment Type MA-L No. 809
Tower B
Shi Ji Ke Mao
Beijing 100190
CN.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Last updated: 17 November 2015
Initial registration: 25 October 2008
