Sercomm Japan Corporation

Sercomm Japan Corporation holds 2 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 Sercomm Japan Corporation draw from a pool of about 33,554,432 possible MAC addresses in total.

Registered address: 8F, 3-1, YuanQu St., NanKang, Taipei 115, Taiwan Taipei TW 115

All 2 prefixes

• 18:EF:C018:EF:C0:00:00:00 – 18:EF:C0:FF:FF:FF
• 4C:FB:FE4C:FB:FE:00:00:00 – 4C:FB:FE: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.