Find the vendor name of a device by entering an OUI or a MAC address
C21 Systems Ltd
C21 Systems Ltd , manages 2 unique MAC address prefixes. These prefixes are part of a massive allocation with a total block size of 8.2 thousand addresses.
The allocation includes the following types: MA-S (Mac Address Block Small, previously named OUI-36, encompasses IAB Assignments, ~4096 addresses each).
The company registered its MAC address allocation on 29 April 2015, and the most recent update was made on 24 October 2018. These allocations support network identification and communication globally.
Unique prefixes: 2
Block Size: 8190 (8.19 k)
First registration: 29 April 2015
Last updated: 24 October 2018
MA-S:Mac Address Block Small (previously named OUI-36, encompasses IAB Assignments). Number of address 2^12 (4096)
| MAC Prefix | Type | Registration Date |
|---|---|---|
| 70:B3:D5:14:B | MA-S | 2018-10-24 |
| 70:B3:D5:7E:4 | MA-S | 2015-04-29 |