- Prefix
- 00:1D:21 00-1D-21 001D.21
- Block type
- MA-L (16,777,216 addresses)
- Address range
- 00:1D:21:00:00:00 – 00:1D:21:FF:FF:FF
- Organization
- Alcad SL
- Registered address
- Pol. Ind. Arreche-Ugalde, 1, Irún Guipúzcoa E-20305, ES
- Country
- Spain (ES)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up 00:1D:21:00:00:00
Alcad SL holds 1 block in total: see all. Source: IEEE Registration Authority public listing.