Tech4home, Lda

Tech4home, Lda 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 Tech4home, Lda draw from a pool of about 50,331,648 possible MAC addresses in total.

Registered address: Rua de Fundoes N151 Sao Joao da Madeira Aveiro PT 3700-121

All 3 prefixes

• 30:D9:7F30:D9:7F:00:00:00 – 30:D9:7F:FF:FF:FF
• 80:F1:F180:F1:F1:00:00:00 – 80:F1:F1:FF:FF:FF
• 9C:7D:C09C:7D:C0:00:00:00 – 9C:7D:C0: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.