MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
TG
IEEE Registrant 1 Prefix
topsystem GmbH
topsystem GmbH 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 07 May 2011, and the most recent update was made on 11 January 2023. These allocations support network identification and communication globally.
Unique prefixes 1
Block Size 16777215 (16.77 M)
First registration 07 May 2011
Last updated 11 January 2023
Entity Details
Unique prefixes 1
Block Size 16777215 (16.77 M)
First registration 07 May 2011
Last updated 11 January 2023
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 |
|---|---|---|
| E4:12:89 | MA-L | 2011-05-07 |