18:78:D4 Verizon
Every MAC address from 18:78:D4:00:00:00 to 18:78:D4:FF:FF:FF belongs to a block the IEEE assigned to Verizon. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 18:78:D4 belongs to
Written 18:78:D4, 18-78-D4 or 1878D4, depending on the system. Look up a full address.
Prefix
18:78:D4
Organization
Verizon
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
18:78:D4:00:00:00
Last address
18:78:D4:FF:FF:FF
Address type
Globally unique, unicast
Registered address
One Verizon Way Basking Ridge NJ US 07920