70:B3:D5:21:B Lab241 Co.,Ltd.
Every MAC address from 70:B3:D5:21:B0:00 to 70:B3:D5:21:BF:FF belongs to a block the IEEE assigned to Lab241 Co.,Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 70:B3:D5:21:B belongs to
Written 70:B3:D5:21:B, 70-B3-D5-21-B or 70B3D521B, depending on the system. Look up a full address.
Prefix
70:B3:D5:21:B/36
Organization
Lab241 Co.,Ltd.
Registry
MA-S (36 bits)
Addresses
4,096
First address
70:B3:D5:21:B0:00
Last address
70:B3:D5:21:BF:FF
Address type
Globally unique, unicast
Registered address
1402Ho, 286, Beotkkot-ro, Geumcheon-gu Seoul Seoul KR 08511
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 Lab241 Co.,Ltd.
1 more block registered under the same name.