- Prefix
- 00:90:4D 00-90-4D 0090.4D
- Block type
- MA-L (16,777,216 addresses)
- Address range
- 00:90:4D:00:00:00 – 00:90:4D:FF:FF:FF
- Organization
- SPEC S.A.
- Registered address
- CASP 172 3-B, 08013 BARCELONA, ES
- Country
- Spain (ES)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up 00:90:4D:00:00:00
SPEC S.A. holds 1 block in total: see all. Source: IEEE Registration Authority public listing.