TKH Security B.V.

TKH Security B.V. 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 TKH Security B.V. draw from a pool of about 33,554,432 possible MAC addresses in total.

Registered address: Werner von Siemensstraat 7 Zoetermeer ZH NL 2712PN

All 2 prefixes

• 00:04:7E00:04:7E:00:00:00 – 00:04:7E:FF:FF:FF
• 00:1E:D100:1E:D1:00:00:00 – 00:1E:D1: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.