00:1B:67 Cisco Systems Inc
Every MAC address from 00:1B:67:00:00:00 to 00:1B:67:FF:FF:FF belongs to a block the IEEE assigned to Cisco Systems Inc. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:1B:67 belongs to
Written 00:1B:67, 00-1B-67 or 001B67, depending on the system. Look up a full address.
Prefix
00:1B:67
Organization
Cisco Systems Inc
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:1B:67:00:00:00
Last address
00:1B:67:FF:FF:FF
Address type
Globally unique, unicast
Registered address
The Stella Building Swindon Wiltshire GB SN5 6NX