Rockwell Automation

Rockwell Automation holds 14 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 Rockwell Automation draw from a pool of about 234,881,024 possible MAC addresses in total.

Registered address: 1 Allen-Bradley Dr. Mayfield Heights OH US 44124-6118

All 14 prefixes

• 00:00:BC00:00:BC:00:00:00 – 00:00:BC:FF:FF:FF
• 00:1D:9C00:1D:9C:00:00:00 – 00:1D:9C:FF:FF:FF
• 08:61:9508:61:95:00:00:00 – 08:61:95:FF:FF:FF
• 18:4C:0818:4C:08:00:00:00 – 18:4C:08:FF:FF:FF
• 34:C0:F934:C0:F9:00:00:00 – 34:C0:F9:FF:FF:FF
• 40:41:0140:41:01:00:00:00 – 40:41:01:FF:FF:FF
• 44:CC:6E44:CC:6E:00:00:00 – 44:CC:6E:FF:FF:FF
• 5C:21:675C:21:67:00:00:00 – 5C:21:67:FF:FF:FF
• 5C:88:165C:88:16:00:00:00 – 5C:88:16:FF:FF:FF
• 68:C8:EB68:C8:EB:00:00:00 – 68:C8:EB:FF:FF:FF
• BC:F4:99BC:F4:99:00:00:00 – BC:F4:99:FF:FF:FF
• E4:8E:BBE4:8E:BB:00:00:00 – E4:8E:BB:FF:FF:FF
• E4:90:69E4:90:69:00:00:00 – E4:90:69:FF:FF:FF
• F4:54:33F4:54:33:00:00:00 – F4:54:33: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.