00:A0:3D OPTO-22
Every MAC address from 00:A0:3D:00:00:00 to 00:A0:3D:FF:FF:FF belongs to a block the IEEE assigned to OPTO-22. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:A0:3D belongs to
Written 00:A0:3D, 00-A0-3D or 00A03D, depending on the system. Look up a full address.
Prefix
00:A0:3D
Organization
OPTO-22
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:A0:3D:00:00:00
Last address
00:A0:3D:FF:FF:FF
Address type
Globally unique, unicast
Registered address
43044 BUSINESS PARK DR. TEMECULA CA US 92590