18:45:B3:1 Pfannenberg GmbH
Every MAC address from 18:45:B3:10:00:00 to 18:45:B3:1F:FF:FF belongs to a block the IEEE assigned to Pfannenberg GmbH. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 18:45:B3:1 belongs to
Written 18:45:B3:1, 18-45-B3-1 or 1845B31, depending on the system. Look up a full address.
Prefix
18:45:B3:1/28
Organization
Pfannenberg GmbH
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
18:45:B3:10:00:00
Last address
18:45:B3:1F:FF:FF
Address type
Globally unique, unicast
Registered address
Werner-Witt-Straße 1 Hamburg Hamburg DE 21035
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.