- Prefix
- 00:05:89 00-05-89 0005.89
- Block type
- MA-L (16,777,216 addresses)
- Address range
- 00:05:89:00:00:00 – 00:05:89:FF:FF:FF
- Organization
- National Datacomputer
- Registered address
- 900 Middlesex Tpk., Billerica MA 01821, US
- Country
- United States (US)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up 00:05:89:00:00:00
National Datacomputer holds 1 block in total: see all. Source: IEEE Registration Authority public listing.