00:20:91 J125, NATIONAL SECURITY AGENCY
Every MAC address from 00:20:91:00:00:00 to 00:20:91:FF:FF:FF belongs to a block the IEEE assigned to J125, NATIONAL SECURITY AGENCY. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:20:91 belongs to
Written 00:20:91, 00-20-91 or 002091, depending on the system. Look up a full address.
Prefix
00:20:91
Organization
J125, NATIONAL SECURITY AGENCY
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:20:91:00:00:00
Last address
00:20:91:FF:FF:FF
Address type
Globally unique, unicast
Registered address
9800 SAVAGE ROAD FT. MEADE MD US 20755-6000