Oki Electric Industry Co., Ltd.

Oki Electric Industry Co., Ltd. holds 3 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 Oki Electric Industry Co., Ltd. draw from a pool of about 50,331,648 possible MAC addresses in total.

Registered address: 1-16-8 Chuou Warabi-shi Saitama JP 335-8510

All 3 prefixes

• 00:11:5700:11:57:00:00:00 – 00:11:57:FF:FF:FF
• 00:25:3600:25:36:00:00:00 – 00:25:36:FF:FF:FF
• 2C:FF:652C:FF:65:00:00:00 – 2C:FF:65: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.