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70:B3:D5:19:E J-Factor Embedded Technologies

Every MAC address from 70:B3:D5:19:E0:00 to 70:B3:D5:19:EF:FF belongs to a block the IEEE assigned to J-Factor Embedded Technologies. Network cards, phones and other devices it makes carry addresses from here.

Who 70:B3:D5:19:E belongs to

Written 70:B3:D5:19:E, 70-B3-D5-19-E or 70B3D519E, depending on the system. Look up a full address.

Prefix
70:B3:D5:19:E/36
Organization
J-Factor Embedded Technologies
Registry
MA-S (36 bits)
Addresses
4,096
First address
70:B3:D5:19:E0:00
Last address
70:B3:D5:19:EF:FF
Address type
Globally unique, unicast
Registered address
1441 Laura Lane #201 Pottstown PA US 19464

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.