3C:42:7E:4 Teknoware Oy
Every MAC address from 3C:42:7E:40:00:00 to 3C:42:7E:4F:FF:FF belongs to a block the IEEE assigned to Teknoware Oy. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 3C:42:7E:4 belongs to
Written 3C:42:7E:4, 3C-42-7E-4 or 3C427E4, depending on the system. Look up a full address.
Prefix
3C:42:7E:4/28
Organization
Teknoware Oy
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
3C:42:7E:40:00:00
Last address
3C:42:7E:4F:FF:FF
Address type
Globally unique, unicast
Registered address
Ilmarisentie 8 Lahti FI 15200
Parent block
Inside 3C:42:7E
This MA-M block is carved from the 24-bit block 3C:42:7E, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.