44:91:DB Shanghai Huaqin Telecom Technology Co.,Ltd
Every MAC address from 44:91:DB:00:00:00 to 44:91:DB:FF:FF:FF belongs to a block the IEEE assigned to Shanghai Huaqin Telecom Technology Co.,Ltd. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 44:91:DB belongs to
Written 44:91:DB, 44-91-DB or 4491DB, depending on the system. Look up a full address.
Prefix
44:91:DB
Organization
Shanghai Huaqin Telecom Technology Co.,Ltd
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
44:91:DB:00:00:00
Last address
44:91:DB:FF:FF:FF
Address type
Globally unique, unicast
Registered address
No.1 Building,399 Keyuan Road, Zhangjian Hi-Tech Park, shanghai shanghai CN 201203
Same organization
Other blocks assigned to Shanghai Huaqin Telecom Technology Co.,Ltd
1 more block registered under the same name.