- Prefix
- 00:1B:67 00-1B-67 001B.67
- Block type
- MA-L (16,777,216 addresses)
- Address range
- 00:1B:67:00:00:00 – 00:1B:67:FF:FF:FF
- Organization
- Cisco Systems Inc
- Registered address
- The Stella Building, Swindon Wiltshire SN5 6NX, GB
- Country
- United Kingdom (GB)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up 00:1B:67:00:00:00
Cisco Systems, Inc holds 1112 blocks in total: see all. Source: IEEE Registration Authority public listing.