- Prefix
- 00:21:33 00-21-33 0021.33
- Block type
- MA-L (16,777,216 addresses)
- Address range
- 00:21:33:00:00:00 – 00:21:33:FF:FF:FF
- Organization
- Building B, Inc
- Registered address
- 1000 NW 65th Street, Suite 300, Ft. Lauderdale FL 33309, US
- Country
- United States (US)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up 00:21:33:00:00:00
Building B, Inc holds 1 block in total: see all. Source: IEEE Registration Authority public listing.