AO

AO holds 4 OUI prefixes in the IEEE registry. Each prefix is the first three octets of a MAC address and covers a block of 16,777,216 addresses, so devices built by AO draw from a pool of about 67,108,864 possible MAC addresses in total.

Registered address: Filippovskiy per., 8/1 Moscow RU 119019

All 4 prefixes

• 1C:CA:411C:CA:41:00:00:00 – 1C:CA:41:FF:FF:FF
• 48:29:E448:29:E4:00:00:00 – 48:29:E4:FF:FF:FF
• D8:AF:81D8:AF:81:00:00:00 – D8:AF:81:FF:FF:FF
• DC:E3:05DC:E3:05:00:00:00 – DC:E3:05:FF:FF:FF

Have a full MAC address? Look it up to see which of these prefixes it belongs to — or browse the full manufacturer directory.