- Prefix
- 00:21:DF 00-21-DF 0021.DF
- Block type
- MA-L (16,777,216 addresses)
- Address range
- 00:21:DF:00:00:00 – 00:21:DF:FF:FF:FF
- Organization
- Martin Christ GmbH
- Registered address
- An der Unteren Soese 50, Osterode Niedersachsen 37520, DE
- Country
- Germany (DE)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up 00:21:DF:00:00:00
Martin Christ GmbH holds 1 block in total: see all. Source: IEEE Registration Authority public listing.