30:1F:9A:5 Beijing Surestar Technology Co. Ltd,
Every MAC address from 30:1F:9A:50:00:00 to 30:1F:9A:5F:FF:FF belongs to a block the IEEE assigned to Beijing Surestar Technology Co. Ltd,. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 30:1F:9A:5 belongs to
Written 30:1F:9A:5, 30-1F-9A-5 or 301F9A5, depending on the system. Look up a full address.
Prefix
30:1F:9A:5/28
Organization
Beijing Surestar Technology Co. Ltd,
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
30:1F:9A:50:00:00
Last address
30:1F:9A:5F:FF:FF
Address type
Globally unique, unicast
Registered address
Room 502, building 1, No. 5 Yongfeng Road, Haidian District Beijing CN 100089
Parent block
Inside 30:1F:9A
This MA-M block is carved from the 24-bit block 30:1F:9A, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.