- Prefix
- 00:21:CF 00-21-CF 0021.CF
- Block type
- MA-L (16,777,216 addresses)
- Address range
- 00:21:CF:00:00:00 – 00:21:CF:FF:FF:FF
- Organization
- The Crypto Group
- Registered address
- Zugerstrasse 42, Steinhausen Zug 6312, CH
- Country
- Switzerland (CH)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up 00:21:CF:00:00:00
The Crypto Group holds 1 block in total: see all. Source: IEEE Registration Authority public listing.