ADVA Optical Networking Ltd.
Any device whose MAC address begins with 18:BC:57 has a network interface built by ADVA Optical Networking Ltd.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.
- OUI prefix
- 18:BC:57
- Organization
- ADVA Optical Networking Ltd.
- Address
- ADVAntage House York GB YO30 4RY
- Source
- IEEE OUI registry
Have a full MAC address? Look it up— we'll also tell you if it's a randomized (private) address rather than a real manufacturer prefix.