70:B3:D5:AF:B Shanghai Tianhe Automation Instrumentation Co., Ltd.
Every MAC address from 70:B3:D5:AF:B0:00 to 70:B3:D5:AF:BF:FF belongs to a block the IEEE assigned to Shanghai Tianhe Automation Instrumentation Co., Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 70:B3:D5:AF:B belongs to
Written 70:B3:D5:AF:B, 70-B3-D5-AF-B or 70B3D5AFB, depending on the system. Look up a full address.
Prefix
70:B3:D5:AF:B/36
Organization
Shanghai Tianhe Automation Instrumentation Co., Ltd.
Registry
MA-S (36 bits)
Addresses
4,096
First address
70:B3:D5:AF:B0:00
Last address
70:B3:D5:AF:BF:FF
Address type
Globally unique, unicast
Registered address
room 501, block D, No. 100, lane 2891, Qilianshan Nan road, Shanghai Shanghai CN 200331
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.