- Prefix
- 3C:3F:51 3C-3F-51 3C3F.51
- Block type
- MA-L (16,777,216 addresses)
- Address range
- 3C:3F:51:00:00:00 – 3C:3F:51:FF:FF:FF
- Organization
- 2CRSI
- Registered address
- 32 rue Jacobi-Netter, STRASBOURG France 67200, FR
- Country
- France (FR)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up 3C:3F:51:00:00:00
2CRSI holds 1 block in total: see all. Source: IEEE Registration Authority public listing.