MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
TD
IEEE Registrant 2 Prefixes
Tecsys do Brasil Industrial Ltda
Tecsys do Brasil Industrial Ltda manages 2 unique MAC address prefixes. These prefixes have a total block size of 8.2 thousand addresses.
The allocation includes the following types: MA-S(MAC Address Block Small, previously named OUI-36, encompasses IAB assignments, 4,096 addresses each).
The company registered its MAC address allocation on 05 April 2018, and the most recent update was made on 10 June 2025. These allocations support network identification and communication globally.
Unique prefixes 2
Block Size 8190 (8.19 k)
First registration 05 April 2018
Last updated 10 June 2025
Entity Details
Unique prefixes 2
Block Size 8190 (8.19 k)
First registration 05 April 2018
Last updated 10 June 2025
Types
MA-S: Block Type
Mac Address Block Small (previously named OUI-36, encompasses IAB Assignments). Number of address 2^12 (4096)Registered MAC Prefixes
All Organizationally Unique Identifiers and MAC ranges assigned to this vendor
| MAC Prefix | Type | Registration Date |
|---|---|---|
| 70:B3:D5:9A:A | MA-S | 2018-04-05 |
| 8C:1F:64:7D:0 | MA-S | 2025-06-10 |