MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
CU
IEEE Registrant 1 Prefix
CRESTCHIC (UK) LIMITED
CRESTCHIC (UK) LIMITED manages 1 unique MAC address prefix. These prefixes have a total block size of 1 million addresses.
The allocation includes the following types: MA-M(MAC Address Block Medium, 1,048,576 addresses each).
The company registered its MAC address allocation on 25 March 2026. These allocations support network identification and communication globally.
Unique prefixes 1
Block Size 1048575 (1.04 M)
First registration 25 March 2026
Last updated —
Entity Details
Unique prefixes 1
Block Size 1048575 (1.04 M)
First registration 25 March 2026
Types
MA-M: Block Type
Mac Address Block Medium. Number of address 2^20 (~1 Million)Registered MAC Prefixes
All Organizationally Unique Identifiers and MAC ranges assigned to this vendor
| MAC Prefix | Type | Registration Date |
|---|---|---|
| 80:1D:0D:8 | MA-M | 2026-03-25 |