MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
CI
IEEE Registrant 3 Prefixes
Charles Industries
Charles Industries manages 3 unique MAC address prefixes. These prefixes have a total block size of 33.6 million addresses.
The allocation includes the following types: MA-L(MAC Address Block Large, 16,777,216 addresses each) and MA-S(MAC Address Block Small, previously named OUI-36, encompasses IAB assignments, 4,096 addresses each).
The company registered its MAC address allocation on 09 November 2000, and the most recent update was made on 20 June 2026. These allocations support network identification and communication globally.
Unique prefixes 3
Block Size 33558525 (33.55 M)
First registration 09 November 2000
Last updated 20 June 2026
Entity Details
Unique prefixes 3
Block Size 33558525 (33.55 M)
First registration 09 November 2000
Last updated 20 June 2026
Types
MA-L: Block Type
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)MA-S: Block Type
Mac Address Block Small (previously named OUI-36, encompasses IAB Assignments). Number of address 2^12 (4096)Registered MAC Prefixes
All Organizationally Unique Identifiers and MAC ranges assigned to this vendor
| MAC Prefix | Type | Registration Date |
|---|---|---|
| 00:03:02 | MA-L | 2000-11-09 |
| 00:05:5B | MA-L | 2001-06-04 |
| 8C:1F:64:AB:8 | MA-S | 2025-04-11 |