Masimo Corporation

Masimo Corporation holds 6 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 Masimo Corporation draw from a pool of about 100,663,296 possible MAC addresses in total.

Registered address: 40 Parker Irvine California US 92618

All 6 prefixes

• 50:4A:5E50:4A:5E:00:00:00 – 50:4A:5E:FF:FF:FF
• 88:09:AF88:09:AF:00:00:00 – 88:09:AF:FF:FF:FF
• B8:10:D4B8:10:D4:00:00:00 – B8:10:D4:FF:FF:FF
• C8:16:A5C8:16:A5:00:00:00 – C8:16:A5:FF:FF:FF
• C8:8B:E8C8:8B:E8:00:00:00 – C8:8B:E8:FF:FF:FF
• E0:C2:B7E0:C2:B7:00:00:00 – E0:C2:B7: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.