00:21:29 Cisco-Linksys, LLC
Every MAC address from 00:21:29:00:00:00 to 00:21:29:FF:FF:FF belongs to a block the IEEE assigned to Cisco-Linksys, LLC. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:21:29 belongs to
Written 00:21:29, 00-21-29 or 002129, depending on the system. Look up a full address.
Prefix
00:21:29
Organization
Cisco-Linksys, LLC
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:21:29:00:00:00
Last address
00:21:29:FF:FF:FF
Address type
Globally unique, unicast
Registered address
121 Theory Drive Irvine California US 92612