70:B3:D5:3F:8 The Fire Horn, Inc.
Every MAC address from 70:B3:D5:3F:80:00 to 70:B3:D5:3F:8F:FF belongs to a block the IEEE assigned to The Fire Horn, Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 70:B3:D5:3F:8 belongs to
Written 70:B3:D5:3F:8, 70-B3-D5-3F-8 or 70B3D53F8, depending on the system. Look up a full address.
Prefix
70:B3:D5:3F:8/36
Organization
The Fire Horn, Inc.
Registry
MA-S (36 bits)
Addresses
4,096
First address
70:B3:D5:3F:80:00
Last address
70:B3:D5:3F:8F:FF
Address type
Globally unique, unicast
Registered address
1212 Helen St Paducah KY US 42001
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.