00:21:EB ESP SYSTEMS, LLC
Every MAC address from 00:21:EB:00:00:00 to 00:21:EB:FF:FF:FF belongs to a block the IEEE assigned to ESP SYSTEMS, LLC. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:21:EB belongs to
Written 00:21:EB, 00-21-EB or 0021EB, depending on the system. Look up a full address.
Prefix
00:21:EB
Organization
ESP SYSTEMS, LLC
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:21:EB:00:00:00
Last address
00:21:EB:FF:FF:FF
Address type
Globally unique, unicast
Registered address
1422 East Fourth Street Charlotte NC US 28204