18:A4:A9 Vanu Inc.
Every MAC address from 18:A4:A9:00:00:00 to 18:A4:A9:FF:FF:FF belongs to a block the IEEE assigned to Vanu Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 18:A4:A9 belongs to
Written 18:A4:A9, 18-A4-A9 or 18A4A9, depending on the system. Look up a full address.
Prefix
18:A4:A9
Organization
Vanu Inc.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
18:A4:A9:00:00:00
Last address
18:A4:A9:FF:FF:FF
Address type
Globally unique, unicast
Registered address
81 Hartwell Ave Lexington MA US 02421