Enterasys

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

Registered address: 35 Industrial Way Rochester NH US 03867

All 4 prefixes

• 00:01:F400:01:F4:00:00:00 – 00:01:F4:FF:FF:FF
• 00:11:8800:11:88:00:00:00 – 00:11:88:FF:FF:FF
• 00:1F:4500:1F:45:00:00:00 – 00:1F:45:FF:FF:FF
• 20:B3:9920:B3:99:00:00:00 – 20:B3:99: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.