B4:4D:43:4 ALL.SPACE Networks Ltd
Every MAC address from B4:4D:43:40:00:00 to B4:4D:43:4F:FF:FF belongs to a block the IEEE assigned to ALL.SPACE Networks Ltd. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who B4:4D:43:4 belongs to
Written B4:4D:43:4, B4-4D-43-4 or B44D434, depending on the system. Look up a full address.
Prefix
B4:4D:43:4/28
Organization
ALL.SPACE Networks Ltd
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
B4:4D:43:40:00:00
Last address
B4:4D:43:4F:FF:FF
Address type
Globally unique, unicast
Registered address
NOW Building, Thames Valley Park Drive, Reading, Berkshire, RG6 1RB Reading Berkshire GB RG6 1RB
Parent block
Inside B4:4D:43
This MA-M block is carved from the 24-bit block B4:4D:43, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.