00:1D:A9 Castles Technology, Co., LTD
Every MAC address from 00:1D:A9:00:00:00 to 00:1D:A9:FF:FF:FF belongs to a block the IEEE assigned to Castles Technology, Co., LTD. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:1D:A9 belongs to
Written 00:1D:A9, 00-1D-A9 or 001DA9, depending on the system. Look up a full address.
Prefix
00:1D:A9
Organization
Castles Technology, Co., LTD
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:1D:A9:00:00:00
Last address
00:1D:A9:FF:FF:FF
Address type
Globally unique, unicast
Registered address
2F, No.205, Sec 3 Beishin Rd., Hsin-Tien City Taipei TW 231