MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Monarch Instrument
Unique prefixes: 3
Block Size: 12285 (12.28 k)
First registration: 21 February 2011
Last updated: 29 October 2021
Types
IAB: Individual Address Blocks. Number of address 2^24 (~16 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:C2:69:7 | IAB | 2011-02-21 |
| 40:D8:55:00:5 | IAB | 2012-11-04 |
| 8C:1F:64:D4:4 | MA-S | 2021-10-29 |