Gemtek Technology Co., Ltd.

Gemtek Technology Co., Ltd. holds 15 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 Gemtek Technology Co., Ltd. draw from a pool of about 251,658,240 possible MAC addresses in total.

Registered address: No. 1 Jen Ai Road Hsinchu Industrial Park Hukou, Hsinchu 30352 TAIWAN, REPUBLIC OF CHINA Hsinchu TAIWAN TW 30352

All 15 prefixes

• 00:09:E100:09:E1:00:00:00 – 00:09:E1:FF:FF:FF
• 00:14:A500:14:A5:00:00:00 – 00:14:A5:FF:FF:FF
• 00:1A:7300:1A:73:00:00:00 – 00:1A:73:FF:FF:FF
• 00:21:0000:21:00:00:00:00 – 00:21:00:FF:FF:FF
• 00:26:8200:26:82:00:00:00 – 00:26:82:FF:FF:FF
• 00:90:4B00:90:4B:00:00:00 – 00:90:4B:FF:FF:FF
• 1C:49:7B1C:49:7B:00:00:00 – 1C:49:7B:FF:FF:FF
• 20:10:7A20:10:7A:00:00:00 – 20:10:7A:FF:FF:FF
• 4C:BA:7D4C:BA:7D:00:00:00 – 4C:BA:7D:FF:FF:FF
• 58:13:D358:13:D3:00:00:00 – 58:13:D3:FF:FF:FF
• 80:02:9C80:02:9C:00:00:00 – 80:02:9C:FF:FF:FF
• A8:C2:46A8:C2:46:00:00:00 – A8:C2:46:FF:FF:FF
• AC:81:12AC:81:12:00:00:00 – AC:81:12:FF:FF:FF
• E8:E1:E1E8:E1:E1:00:00:00 – E8:E1:E1:FF:FF:FF
• F8:35:DDF8:35:DD:00:00:00 – F8:35:DD: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.