Find the vendor name of a device by entering an OUI or a MAC address
NYBSYS Inc
NYBSYS Inc , manages 2 unique MAC address prefixes. These prefixes are part of a massive allocation with a total block size of 1.1 million addresses.
The allocation includes the following types: MA-M (Mac Address Block Medium, ~1 Million addresses each), and MA-S (Mac Address Block Small, previously named OUI-36, encompasses IAB Assignments, ~4096 addresses each).
The company registered its MAC address allocation on 04 August 2023, and the most recent update was made on 12 May 2025. These allocations support network identification and communication globally.
Unique prefixes: 2
Block Size: 1052670 (1.05 M)
First registration: 04 August 2023
Last updated: 12 May 2025
MA-M:Mac Address Block Medium. Number of address 2^20 (~1 Million)
MA-S:Mac Address Block Small (previously named OUI-36, encompasses IAB Assignments). Number of address 2^12 (4096)
| MAC Prefix | Type | Registration Date |
|---|---|---|
| 2C:7A:F4:E | MA-M | 2025-05-12 |
| 8C:1F:64:CF:6 | MA-S | 2023-08-04 |