34:81:F4 SST Taiwan Ltd.
Every MAC address from 34:81:F4:00:00:00 to 34:81:F4:FF:FF:FF belongs to a block the IEEE assigned to SST Taiwan Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 34:81:F4 belongs to
Written 34:81:F4, 34-81-F4 or 3481F4, depending on the system. Look up a full address.
Prefix
34:81:F4
Organization
SST Taiwan Ltd.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
34:81:F4:00:00:00
Last address
34:81:F4:FF:FF:FF
Address type
Globally unique, unicast
Registered address
5F, No. 5, Industry E Rd. VII, Hsin Chu, Taiwan TW 30077