18:BC:57 ADVA Optical Networking Ltd.
Every MAC address from 18:BC:57:00:00:00 to 18:BC:57:FF:FF:FF belongs to a block the IEEE assigned to ADVA Optical Networking Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 18:BC:57 belongs to
Written 18:BC:57, 18-BC-57 or 18BC57, depending on the system. Look up a full address.
Prefix
18:BC:57
Organization
ADVA Optical Networking Ltd.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
18:BC:57:00:00:00
Last address
18:BC:57:FF:FF:FF
Address type
Globally unique, unicast
Registered address
ADVAntage House York GB YO30 4RY