- Prefix
- 00:21:F1 00-21-F1 0021.F1
- Block type
- MA-L (16,777,216 addresses)
- Address range
- 00:21:F1:00:00:00 – 00:21:F1:FF:FF:FF
- Organization
- Tutus Data AB
- Registered address
- Svardvagen 11, Danderyd Stockholm 18233, SE
- Country
- Sweden (SE)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up 00:21:F1:00:00:00
Tutus Data AB holds 1 block in total: see all. Source: IEEE Registration Authority public listing.