- Prefix
- 00:21:24 00-21-24 0021.24
- Block type
- MA-L (16,777,216 addresses)
- Address range
- 00:21:24:00:00:00 – 00:21:24:FF:FF:FF
- Organization
- Optos Plc
- Registered address
- Queensferry House, Dunfermline Fife KY11 8GR, GB
- Country
- United Kingdom (GB)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up 00:21:24:00:00:00
Optos Plc holds 1 block in total: see all. Source: IEEE Registration Authority public listing.