MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
GRE SYSTEM INC.
Unique prefixes: 2
Block Size: 1052670 (1.05 M)
First registration: 23 January 2024
Last updated: 13 December 2024
Types
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 |
|---|---|---|
| 8C:1F:64:39:3 | MA-S | 2024-01-23 |
| A4:59:D3:4 | MA-M | 2024-12-13 |