3COM EUROPE LTD

3COM EUROPE LTD holds 12 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 3COM EUROPE LTD draw from a pool of about 201,326,592 possible MAC addresses in total.

Registered address: 3COM CENTRE vvvvv UNITED GB KINGDOM

All 12 prefixes

• 00:04:0B00:04:0B:00:00:00 – 00:04:0B:FF:FF:FF
• 00:05:1A00:05:1A:00:00:00 – 00:05:1A:FF:FF:FF
• 00:1E:C100:1E:C1:00:00:00 – 00:1E:C1:FF:FF:FF
• 00:22:5700:22:57:00:00:00 – 00:22:57:FF:FF:FF
• 00:24:7300:24:73:00:00:00 – 00:24:73:FF:FF:FF
• 00:30:1E00:30:1E:00:00:00 – 00:30:1E:FF:FF:FF
• 00:50:9900:50:99:00:00:00 – 00:50:99:FF:FF:FF
• 00:90:0400:90:04:00:00:00 – 00:90:04:FF:FF:FF
• 00:D0:9600:D0:96:00:00:00 – 00:D0:96:FF:FF:FF
• 08:00:4E08:00:4E:00:00:00 – 08:00:4E:FF:FF:FF
• 20:FD:F120:FD:F1:00:00:00 – 20:FD:F1:FF:FF:FF
• 40:01:C640:01:C6:00:00:00 – 40:01:C6: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.