18:2C:91 Concept Development, Inc.
Every MAC address from 18:2C:91:00:00:00 to 18:2C:91:FF:FF:FF belongs to a block the IEEE assigned to Concept Development, Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 18:2C:91 belongs to
Written 18:2C:91, 18-2C-91 or 182C91, depending on the system. Look up a full address.
Prefix
18:2C:91
Organization
Concept Development, Inc.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
18:2C:91:00:00:00
Last address
18:2C:91:FF:FF:FF
Address type
Globally unique, unicast
Registered address
1881 Langley Avenue Irvine CA US 92614-5623