78:39:2D:5 IO Master Technology
Every MAC address from 78:39:2D:50:00:00 to 78:39:2D:5F:FF:FF belongs to a block the IEEE assigned to IO Master Technology. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 78:39:2D:5 belongs to
Written 78:39:2D:5, 78-39-2D-5 or 78392D5, depending on the system. Look up a full address.
Prefix
78:39:2D:5/28
Organization
IO Master Technology
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
78:39:2D:50:00:00
Last address
78:39:2D:5F:FF:FF
Address type
Globally unique, unicast
Registered address
4F?1 No. 258, Lian Cheng Rd, Zhong He Dist New Taipei City 235 Taipei TW 235
Parent block
Inside 78:39:2D
This MA-M block is carved from the 24-bit block 78:39:2D, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.
Same organization
Other blocks assigned to IO Master Technology
1 more block registered under the same name.