58:C4:1E:4 BEIJING FIBRLINK COMMUNICATIONS CO.,LTD.
Every MAC address from 58:C4:1E:40:00:00 to 58:C4:1E:4F:FF:FF belongs to a block the IEEE assigned to BEIJING FIBRLINK COMMUNICATIONS CO.,LTD.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 58:C4:1E:4 belongs to
Written 58:C4:1E:4, 58-C4-1E-4 or 58C41E4, depending on the system. Look up a full address.
Prefix
58:C4:1E:4/28
Organization
BEIJING FIBRLINK COMMUNICATIONS CO.,LTD.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
58:C4:1E:40:00:00
Last address
58:C4:1E:4F:FF:FF
Address type
Globally unique, unicast
Registered address
Dongxu International Centre, Fengtai District, Beijing BEIJING FENGTAI CN 100070
Parent block
Inside 58:C4:1E
This MA-M block is carved from the 24-bit block 58:C4:1E, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.