MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
BC
IEEE Registrant 5 Prefixes
BEIJING CUNYIN CHENGQI TECHNOLOGY CO., LTD.
BEIJING CUNYIN CHENGQI TECHNOLOGY CO., LTD. manages 5 unique MAC address prefixes. These prefixes have a total block size of 5.2 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 29 February 2024, and the most recent update was made on 07 October 2026. These allocations support network identification and communication globally.
Unique prefixes 5
Block Size 5242875 (5.24 M)
First registration 29 February 2024
Last updated 07 October 2026
Entity Details
Unique prefixes 5
Block Size 5242875 (5.24 M)
First registration 29 February 2024
Last updated 07 October 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 |
|---|---|---|
| 24:A3:F0:C | MA-M | 2024-08-29 |
| 48:E6:63:C | MA-M | 2024-02-29 |
| 4C:81:BE:D | MA-M | 2026-10-07 |
| 6C:27:C8:7 | MA-M | 2025-03-11 |
| 94:3E:FD:7 | MA-M | 2025-02-27 |