30:A3:B5 Jiangsu Best Tone Information Service Co., Ltd
Every MAC address from 30:A3:B5:00:00:00 to 30:A3:B5:FF:FF:FF belongs to a block the IEEE assigned to Jiangsu Best Tone Information Service Co., Ltd. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 30:A3:B5 belongs to
Written 30:A3:B5, 30-A3-B5 or 30A3B5, depending on the system. Look up a full address.
Prefix
30:A3:B5
Organization
Jiangsu Best Tone Information Service Co., Ltd
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
30:A3:B5:00:00:00
Last address
30:A3:B5:FF:FF:FF
Address type
Globally unique, unicast
Registered address
No.501,Zhongshan South Road Nanjing Jiangsu CN 210006