70:B3:D5:A9:F Master Meter Inc.
Every MAC address from 70:B3:D5:A9:F0:00 to 70:B3:D5:A9:FF:FF belongs to a block the IEEE assigned to Master Meter Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 70:B3:D5:A9:F belongs to
Written 70:B3:D5:A9:F, 70-B3-D5-A9-F or 70B3D5A9F, depending on the system. Look up a full address.
Prefix
70:B3:D5:A9:F/36
Organization
Master Meter Inc.
Registry
MA-S (36 bits)
Addresses
4,096
First address
70:B3:D5:A9:F0:00
Last address
70:B3:D5:A9:FF:FF
Address type
Globally unique, unicast
Registered address
101 Regency Pkwy Mansfield TX US 76063
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.