00:21:30 Keico Hightech Inc.
Every MAC address from 00:21:30:00:00:00 to 00:21:30:FF:FF:FF belongs to a block the IEEE assigned to Keico Hightech Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:21:30 belongs to
Written 00:21:30, 00-21-30 or 002130, depending on the system. Look up a full address.
Prefix
00:21:30
Organization
Keico Hightech Inc.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:21:30:00:00:00
Last address
00:21:30:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Ace twin tower I, 12th Fl. Seoul KR 152-050