MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
C21 Systems Ltd
MAC address prefix 70:B3:D5:14:B is registered to C21 Systems Ltd, located at Dunston Innovation CentreChesterfield Derbyshire S41 8NGGB.
This registration is classified as MA-S (Mac Address Block Small, formerly known as OUI-36) containing approximately 4096 MAC addresses per block
The prefix was registered on 24 October 2018, and no subsequent updates have been recorded.
OUI: 70:B3:D5:14:B
Vendor name: C21 Systems Ltd
Address:
Assignment Type MA-S Dunston Innovation Centre
Chesterfield Derbyshire S41 8NG
GB.
Mac Address Block Small (previously named OUI-36, encompasses IAB Assignments). Number of address 2^12 (4096)
Initial registration: 24 October 2018
