Harman/Becker Automotive Systems GmbH

Harman/Becker Automotive Systems GmbH holds 10 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 Harman/Becker Automotive Systems GmbH draw from a pool of about 167,772,160 possible MAC addresses in total.

Registered address: 15th Fl, 400 Atlantic Street Stamford CT US 06901

All 10 prefixes

• 00:1C:D700:1C:D7:00:00:00 – 00:1C:D7:FF:FF:FF
• 28:56:C128:56:C1:00:00:00 – 28:56:C1:FF:FF:FF
• 34:09:E934:09:E9:00:00:00 – 34:09:E9:FF:FF:FF
• 38:45:5438:45:54:00:00:00 – 38:45:54:FF:FF:FF
• 9C:DF:039C:DF:03:00:00:00 – 9C:DF:03:FF:FF:FF
• 9C:F5:5F9C:F5:5F:00:00:00 – 9C:F5:5F:FF:FF:FF
• A0:56:B2A0:56:B2:00:00:00 – A0:56:B2:FF:FF:FF
• B0:BC:7AB0:BC:7A:00:00:00 – B0:BC:7A:FF:FF:FF
• F8:E8:77F8:E8:77:00:00:00 – F8:E8:77:FF:FF:FF
• FC:F8:61FC:F8:61:00:00:00 – FC:F8:61: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.