Castlenet Technology Inc.

Castlenet Technology Inc. holds 5 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 Castlenet Technology Inc. draw from a pool of about 83,886,080 possible MAC addresses in total.

Registered address: 5F., No. 10, Daye Rd., Beitou Dist. Taipei City TW 112030

All 5 prefixes

• 00:1C:7B00:1C:7B:00:00:00 – 00:1C:7B:FF:FF:FF
• 00:30:5400:30:54:00:00:00 – 00:30:54:FF:FF:FF
• 18:48:5918:48:59:00:00:00 – 18:48:59:FF:FF:FF
• 98:F2:1798:F2:17:00:00:00 – 98:F2:17:FF:FF:FF
• FC:4A:E9FC:4A:E9:00:00:00 – FC:4A:E9: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.