Honeywell

Honeywell 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 Honeywell draw from a pool of about 67,108,864 possible MAC addresses in total.

Registered address: 1212 Pittsford Victor Rd Pittsford NY US 14534

All 4 prefixes

• 00:22:6A00:22:6A:00:00:00 – 00:22:6A:FF:FF:FF
• 00:40:8400:40:84:00:00:00 – 00:40:84:FF:FF:FF
• 58:FC:C858:FC:C8:00:00:00 – 58:FC:C8:FF:FF:FF
• C4:EF:DAC4:EF:DA:00:00:00 – C4:EF:DA: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.