00:90:ED CENTRAL SYSTEM RESEARCH CO., LTD.
Every MAC address from 00:90:ED:00:00:00 to 00:90:ED:FF:FF:FF belongs to a block the IEEE assigned to CENTRAL SYSTEM RESEARCH CO., LTD.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:90:ED belongs to
Written 00:90:ED, 00-90-ED or 0090ED, depending on the system. Look up a full address.
Prefix
00:90:ED
Organization
CENTRAL SYSTEM RESEARCH CO., LTD.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:90:ED:00:00:00
Last address
00:90:ED:FF:FF:FF
Address type
Globally unique, unicast
Registered address
4-13-2 HIYOSHICHO KOKUBUNJI-CITY TOKYO 18500032 JP