MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
OPTOKON, a.s.
MAC address prefix 28:69:26 is registered to OPTOKON, a.s., located at Červený Kříž 250Jihlava 586 01CZ.
This registration is classified as MA-L (Mac Address Block Large) containing approximately 16 million MAC addresses
The prefix was registered on 02 April 2026, and no subsequent updates have been recorded.
OUI: 28:69:26
Vendor name: OPTOKON, a.s.
Address:
Assignment Type MA-L Červený Kříž 250
Jihlava 586 01
CZ.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Initial registration: 02 April 2026
