如何获取设备的名字

如何获取设备的名字

我发现有些设备，比如小米 iot 设备，在路由器下面能显示出名字，但是用命令行不能获取名字

比如下面 192.168.1.50 是电脑，能获取到名字
但是 192.168.1.120 是小米盒子，就不行

~ nbtscan 192.168.1.50
Doing NBT name scan for addresses from 192.168.1.50
IP address NetBIOS Name Server User MAC address
------------------------------------------------------------------------------
192.168.1.50 DESKTOP-CM4NK5L <server> <unknown> 08:1f:71:34:87:bc
~ nbtscan 192.168.1.120
Doing NBT name scan for addresses from 192.168.1.120
IP address NetBIOS Name Server User MAC address
------------------------------------------------------------------------------
~ nmblookup -A 192.168.1.50
Looking up status of 192.168.1.50
DESKTOP-CM4NK5L <00> - M <ACTIVE>
DESKTOP-CM4NK5L <20> - M <ACTIVE>
WORKGROUP <00> - <GROUP> M <ACTIVE>
WORKGROUP <1e> - <GROUP> M <ACTIVE>
MAC Address = 08-1F-71-34-87-BC
~ nmblookup -A 192.168.1.120
Looking up status of 192.168.1.120
No reply from 192.168.1.120