- Prefix
- 4C:FB:F4 4C-FB-F4 4CFB.F4
- Block type
- MA-L (16,777,216 addresses)
- Address range
- 4C:FB:F4:00:00:00 – 4C:FB:F4:FF:FF:FF
- Organization
- Optimal Audio Ltd
- Registered address
- Century Point, Halifax Rd, High Wycombe HP12 3SL, GB
- Country
- United Kingdom (GB)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up 4C:FB:F4:00:00:00
Optimal Audio Ltd holds 1 block in total: see all. Source: IEEE Registration Authority public listing.