XIRCOM

XIRCOM holds 3 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 XIRCOM draw from a pool of about 50,331,648 possible MAC addresses in total.

Registered address: 2300 CORPORATE CENTER DR. THOUSAND OAKS CA US 91320

All 3 prefixes

• 00:05:3C00:05:3C:00:00:00 – 00:05:3C:FF:FF:FF
• 00:10:A400:10:A4:00:00:00 – 00:10:A4:FF:FF:FF
• 00:80:C700:80:C7:00:00:00 – 00:80:C7: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.