50:7B:91 Sigmastar Technology Ltd.
Every MAC address from 50:7B:91:00:00:00 to 50:7B:91:FF:FF:FF belongs to a block the IEEE assigned to Sigmastar Technology Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 50:7B:91 belongs to
Written 50:7B:91, 50-7B-91 or 507B91, depending on the system. Look up a full address.
Prefix
50:7B:91
Organization
Sigmastar Technology Ltd.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
50:7B:91:00:00:00
Last address
50:7B:91:FF:FF:FF
Address type
Globally unique, unicast
Registered address
No. 1, HoZan Road, Tong'an District X iamen Fujian Province CN 361100