70:B3:D5:7A:2 Alpha ESS Co., Ltd.
Every MAC address from 70:B3:D5:7A:20:00 to 70:B3:D5:7A:2F:FF belongs to a block the IEEE assigned to Alpha ESS Co., Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 70:B3:D5:7A:2 belongs to
Written 70:B3:D5:7A:2, 70-B3-D5-7A-2 or 70B3D57A2, depending on the system. Look up a full address.
Prefix
70:B3:D5:7A:2/36
Organization
Alpha ESS Co., Ltd.
Registry
MA-S (36 bits)
Addresses
4,096
First address
70:B3:D5:7A:20:00
Last address
70:B3:D5:7A:2F:FF
Address type
Globally unique, unicast
Registered address
JiuHua Road 888, Nantong High-Tech Industrial Development Zone, Nantong Jiangsu CN 226300
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.
Same organization
Other blocks assigned to Alpha ESS Co., Ltd.
1 more block registered under the same name.