- Prefix
- 00:12:3C 00-12-3C 0012.3C
- Block type
- MA-L (16,777,216 addresses)
- Address range
- 00:12:3C:00:00:00 – 00:12:3C:FF:FF:FF
- Organization
- Second Rule LLC
- Registered address
- 4119 Walnut Street, Philadelphia PA 19104, US
- Country
- United States (US)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up 00:12:3C:00:00:00
Second Rule LLC holds 1 block in total: see all. Source: IEEE Registration Authority public listing.