- Prefix
- 00:21:5F 00-21-5F 0021.5F
- Block type
- MA-L (16,777,216 addresses)
- Address range
- 00:21:5F:00:00:00 – 00:21:5F:FF:FF:FF
- Organization
- IHSE GmbH
- Registered address
- Maybachstraße 11, Oberteuringen Baden-Württemberg 88094, DE
- Country
- Germany (DE)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up 00:21:5F:00:00:00
IHSE GmbH holds 1 block in total: see all. Source: IEEE Registration Authority public listing.