70:B3:D5:A4:F Weltek Technologies Co. Ltd.
Every MAC address from 70:B3:D5:A4:F0:00 to 70:B3:D5:A4:FF:FF belongs to a block the IEEE assigned to Weltek Technologies Co. Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 70:B3:D5:A4:F belongs to
Written 70:B3:D5:A4:F, 70-B3-D5-A4-F or 70B3D5A4F, depending on the system. Look up a full address.
Prefix
70:B3:D5:A4:F/36
Organization
Weltek Technologies Co. Ltd.
Registry
MA-S (36 bits)
Addresses
4,096
First address
70:B3:D5:A4:F0:00
Last address
70:B3:D5:A4:FF:FF
Address type
Globally unique, unicast
Registered address
Flat A-B, 12/F, Block 1, Wah Fung Ind. Centre, 33-39 Kwai Fung Crescent, Kwai Chung, N.T. HK HK 852
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 Weltek Technologies Co. Ltd.
2 more blocks registered under the same name.