MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
TC
IEEE Registrant 1 Prefix
TESTOP CO.,LTD.
TESTOP CO.,LTD. manages 1 unique MAC address prefix. These prefixes have a total block size of 16.8 million addresses.
The allocation includes the following types: MA-L(MAC Address Block Large, 16,777,216 addresses each).
The company registered its MAC address allocation on 12 April 2019. These allocations support network identification and communication globally.
Unique prefixes 1
Block Size 16777215 (16.77 M)
First registration 12 April 2019
Last updated —
Entity Details
Unique prefixes 1
Block Size 16777215 (16.77 M)
First registration 12 April 2019
Types
MA-L: Block Type
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)Registered MAC Prefixes
All Organizationally Unique Identifiers and MAC ranges assigned to this vendor
| MAC Prefix | Type | Registration Date |
|---|---|---|
| 44:42:2F | MA-L | 2019-04-12 |