14:81:21 TOP WING Corporation
Every MAC address from 14:81:21:00:00:00 to 14:81:21:FF:FF:FF belongs to a block the IEEE assigned to TOP WING Corporation. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 14:81:21 belongs to
Written 14:81:21, 14-81-21 or 148121, depending on the system. Look up a full address.
Prefix
14:81:21
Organization
TOP WING Corporation
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
14:81:21:00:00:00
Last address
14:81:21:FF:FF:FF
Address type
Globally unique, unicast
Registered address
1-10-2-1102 Sakae-cho Higashimurayama Tokyo JP 189-0013