70:B3:D5:80:B Fischer Block, Inc.
Every MAC address from 70:B3:D5:80:B0:00 to 70:B3:D5:80:BF:FF belongs to a block the IEEE assigned to Fischer Block, Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 70:B3:D5:80:B belongs to
Written 70:B3:D5:80:B, 70-B3-D5-80-B or 70B3D580B, depending on the system. Look up a full address.
Prefix
70:B3:D5:80:B/36
Organization
Fischer Block, Inc.
Registry
MA-S (36 bits)
Addresses
4,096
First address
70:B3:D5:80:B0:00
Last address
70:B3:D5:80:BF:FF
Address type
Globally unique, unicast
Registered address
21 S High St West Chester PA US 19382
Parent block
Inside 70:B3:D5
This MA-S block is carved from the 24-bit block 70:B3:D5, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.