70:B3:D5:C0:A Infosocket Co., Ltd.
Every MAC address from 70:B3:D5:C0:A0:00 to 70:B3:D5:C0:AF:FF belongs to a block the IEEE assigned to Infosocket Co., Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 70:B3:D5:C0:A belongs to
Written 70:B3:D5:C0:A, 70-B3-D5-C0-A or 70B3D5C0A, depending on the system. Look up a full address.
Prefix
70:B3:D5:C0:A/36
Organization
Infosocket Co., Ltd.
Registry
MA-S (36 bits)
Addresses
4,096
First address
70:B3:D5:C0:A0:00
Last address
70:B3:D5:C0:AF:FF
Address type
Globally unique, unicast
Registered address
4-26-16 Nishi-machi Tokyo Kokubunji-shi JP 185-0035
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.