NEC Corporation

NEC Corporation holds 9 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 NEC Corporation draw from a pool of about 150,994,944 possible MAC addresses in total.

Registered address: 1-10 Nisshincho, Fuchu Tokyo 183-8501 JP 0000

All 9 prefixes

• 00:00:4C00:00:4C:00:00:00 – 00:00:4C:FF:FF:FF
• 00:16:9700:16:97:00:00:00 – 00:16:97:FF:FF:FF
• 00:25:5C00:25:5C:00:00:00 – 00:25:5C:FF:FF:FF
• 00:30:1300:30:13:00:00:00 – 00:30:13:FF:FF:FF
• 58:C2:3258:C2:32:00:00:00 – 58:C2:32:FF:FF:FF
• 74:3A:6574:3A:65:00:00:00 – 74:3A:65:FF:FF:FF
• 8C:DF:9D8C:DF:9D:00:00:00 – 8C:DF:9D:FF:FF:FF
• D4:92:34D4:92:34:00:00:00 – D4:92:34:FF:FF:FF
• F8:CA:85F8:CA:85:00:00:00 – F8:CA:85: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.