MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
CT Company
Unique prefixes: 21
Block Size: 1130475 (1.13 M)
First registration: 21 February 2011
Last updated: 01 April 2021
Types
IAB: Individual Address Blocks. Number of address 2^24 (~16 Million)
MA-M: Mac Address Block Medium. Number of address 2^20 (~1 Million)
MA-S: Mac Address Block Small (previously named OUI-36, encompasses IAB Assignments). Number of address 2^12 (4096)
| MAC Prefix | Type | Registration Date |
|---|---|---|
| 00:50:C2:46:2 | IAB | 2011-02-21 |
| 00:50:C2:85:6 | IAB | 2011-02-21 |
| 00:50:C2:A8:2 | IAB | 2011-02-21 |
| 00:50:C2:B6:F | IAB | 2011-02-21 |
| 00:50:C2:CA:3 | IAB | 2011-02-21 |
| 00:50:C2:DC:B | IAB | 2011-02-21 |
| 00:50:C2:E9:2 | IAB | 2011-09-25 |
| 00:50:C2:F2:4 | IAB | 2012-03-15 |
| 00:50:C2:FB:3 | IAB | 2012-08-13 |
| 18:74:E2:3 | MA-M | 2021-04-01 |
| 40:D8:55:07:2 | IAB | 2013-04-03 |
| 40:D8:55:15:F | IAB | 2013-08-29 |
| 70:B3:D5:00:5 | MA-S | 2020-04-30 |
| 70:B3:D5:23:0 | MA-S | 2015-08-12 |
| 70:B3:D5:2D:4 | MA-S | 2014-04-14 |
| 70:B3:D5:39:F | MA-S | 2020-11-17 |
| 70:B3:D5:3A:D | MA-S | 2018-02-15 |
| 70:B3:D5:50:D | MA-S | 2019-10-16 |
| 70:B3:D5:5A:3 | MA-S | 2016-02-18 |
| 70:B3:D5:5D:5 | MA-S | 2016-10-11 |
| 70:B3:D5:66:7 | MA-S | 2019-05-15 |