TomTom International BV

TomTom International BV 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 TomTom International BV draw from a pool of about 33,554,432 possible MAC addresses in total.

Registered address: Oosterdoksstraat 114 Amsterdam North Holland NL 1011 DK

All 2 prefixes

• 00:21:3E00:21:3E:00:00:00 – 00:21:3E:FF:FF:FF
• 24:E9:2724:E9:27:00:00:00 – 24:E9:27: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.