40:A5:EF Shenzhen Four Seas Global Link Network Technology Co., Ltd.
Every MAC address from 40:A5:EF:00:00:00 to 40:A5:EF:FF:FF:FF belongs to a block the IEEE assigned to Shenzhen Four Seas Global Link Network Technology Co., Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 40:A5:EF belongs to
Written 40:A5:EF, 40-A5-EF or 40A5EF, depending on the system. Look up a full address.
Prefix
40:A5:EF
Organization
Shenzhen Four Seas Global Link Network Technology Co., Ltd.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
40:A5:EF:00:00:00
Last address
40:A5:EF:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Room 607-610, Block B, TAOJINDI Electronic Business Incubation Base Tenglong Road, Longhua District, Shenzhen Guangdong CN 518000