18:45:B3:4 Mission Secure Inc
Every MAC address from 18:45:B3:40:00:00 to 18:45:B3:4F:FF:FF belongs to a block the IEEE assigned to Mission Secure Inc. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 18:45:B3:4 belongs to
Written 18:45:B3:4, 18-45-B3-4 or 1845B34, depending on the system. Look up a full address.
Prefix
18:45:B3:4/28
Organization
Mission Secure Inc
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
18:45:B3:40:00:00
Last address
18:45:B3:4F:FF:FF
Address type
Globally unique, unicast
Registered address
100 10th St NE STE 301 Charlottesville VA US 22902
Parent block
Inside 18:45:B3
This MA-M block is carved from the 24-bit block 18:45:B3, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.