74:5B:C5:1 Beijing Inspiry Technology Co., Ltd.
Every MAC address from 74:5B:C5:10:00:00 to 74:5B:C5:1F:FF:FF belongs to a block the IEEE assigned to Beijing Inspiry Technology Co., Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 74:5B:C5:1 belongs to
Written 74:5B:C5:1, 74-5B-C5-1 or 745BC51, depending on the system. Look up a full address.
Prefix
74:5B:C5:1/28
Organization
Beijing Inspiry Technology Co., Ltd.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
74:5B:C5:10:00:00
Last address
74:5B:C5:1F:FF:FF
Address type
Globally unique, unicast
Registered address
Building No. 5, East Zone, No. 10, Xibeiwang East Road, Haidian District Beijing Beijing CN 100092
Parent block
Inside 74:5B:C5
This MA-M block is carved from the 24-bit block 74:5B:C5, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.
Same organization
Other blocks assigned to Beijing Inspiry Technology Co., Ltd.
1 more block registered under the same name.