MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
SC
IEEE Registrant 5 Prefixes
ShenZhen C&D Electronics CO.Ltd.
ShenZhen C&D Electronics CO.Ltd. manages 5 unique MAC address prefixes. These prefixes have a total block size of 36.7 million addresses.
The allocation includes the following types: MA-L(MAC Address Block Large, 16,777,216 addresses each) and MA-M(MAC Address Block Medium, 1,048,576 addresses each).
The company registered its MAC address allocation on 17 March 2011, and the most recent update was made on 24 April 2026. These allocations support network identification and communication globally.
Unique prefixes 5
Block Size 36700155 (36.7 M)
First registration 17 March 2011
Last updated 24 April 2026
Entity Details
Unique prefixes 5
Block Size 36700155 (36.7 M)
First registration 17 March 2011
Last updated 24 April 2026
Types
MA-L: Block Type
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)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 |
|---|---|---|
| 20:B3:7F:A | MA-M | 2026-03-17 |
| 34:D7:F5:1 | MA-M | 2026-01-23 |
| 48:EA:A9 | MA-L | 2026-04-24 |
| DC:E5:33:3 | MA-M | 2018-02-15 |
| E8:B4:AE | MA-L | 2011-03-17 |