Raspberry Pi Trading Ltd

Raspberry Pi Trading Ltd holds 4 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 Raspberry Pi Trading Ltd draw from a pool of about 67,108,864 possible MAC addresses in total.

Registered address: Maurice Wilkes Building, Cowley Road Cambridge GB CB4 0DS

All 4 prefixes

• 28:CD:C128:CD:C1:00:00:00 – 28:CD:C1:FF:FF:FF
• D8:3A:DDD8:3A:DD:00:00:00 – D8:3A:DD:FF:FF:FF
• DC:A6:32DC:A6:32:00:00:00 – DC:A6:32:FF:FF:FF
• E4:5F:01E4:5F:01:00:00:00 – E4:5F:01: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.