- Prefix
- 00:21:0F 00-21-0F 0021.0F
- Block type
- MA-L (16,777,216 addresses)
- Address range
- 00:21:0F:00:00:00 – 00:21:0F:FF:FF:FF
- Organization
- Cernium Corp
- Registered address
- 1943 Isaac Newton Sq, Reston VA 20190, US
- Country
- United States (US)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up 00:21:0F:00:00:00
Cernium Corp holds 1 block in total: see all. Source: IEEE Registration Authority public listing.