28:9A:F7 ADVA Optical Networking Ltd.
Every MAC address from 28:9A:F7:00:00:00 to 28:9A:F7: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 28:9A:F7 belongs to
Written 28:9A:F7, 28-9A-F7 or 289AF7, depending on the system. Look up a full address.
Prefix
28:9A:F7
Organization
ADVA Optical Networking Ltd.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
28:9A:F7:00:00:00
Last address
28:9A:F7:FF:FF:FF
Address type
Globally unique, unicast
Registered address
ADVAntage House York GB YO30 4RY