- Prefix
- 00:00:7B 00-00-7B 0000.7B
- Block type
- MA-L (16,777,216 addresses)
- Address range
- 00:00:7B:00:00:00 – 00:00:7B:FF:FF:FF
- Organization
- RESEARCH MACHINES
- Registered address
- P.O. BOX 75, ENGLAND, GB
- Country
- United Kingdom (GB)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up 00:00:7B:00:00:00
RESEARCH MACHINES holds 1 block in total: see all. Source: IEEE Registration Authority public listing.