TECOM Co., Ltd.

TECOM 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 TECOM Co., Ltd. draw from a pool of about 50,331,648 possible MAC addresses in total.

Registered address: 23 R&D Road 2 Science Based Industrial Park Hsin-Chu TW 300

All 3 prefixes

• 00:03:C900:03:C9:00:00:00 – 00:03:C9:FF:FF:FF
• 00:16:3800:16:38:00:00:00 – 00:16:38:FF:FF:FF
• 00:19:1500:19:15:00:00:00 – 00:19:15: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.