Networking ping输出和ifconfig中相同主机的不同IP地址

我用url 15.206.243.81在云上启动了一个VM。我用笔记本电脑运行ping

ping 15.206.243.81

结果是

Pinging 15.206.243.81 with 32 bytes of data:
Reply from 15.206.243.81: bytes=32 time=66ms TTL=45
Reply from 15.206.243.81: bytes=32 time=2679ms TTL=45
Reply from 15.206.243.81: bytes=32 time=146ms TTL=45
Reply from 15.206.243.81: bytes=32 time=62ms TTL=45

Ping statistics for 15.206.243.81:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 62ms, Maximum = 2679ms, Average = 738ms

但是如果我在这个虚拟机上运行

ifconfig

，它会显示

inet 192.168.83.54  netmask 255.255.224.0  broadcast 192.168.95.255
        inet6 fe80::48:d9ff:fe00:d898  prefixlen 64  scopeid 0x20<link>
        ether 02:48:d9:00:d8:98  txqueuelen 1000  (Ethernet)
        RX packets 217250  bytes 249431544 (249.4 MB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 111138  bytes 38689700 (38.6 MB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

inet 192.168.83.54网络掩码255.255.224.0广播192.168.95.255
inet6 fe80:：48:d9ff:fe00:d898预桥64作用域ID 0x20
乙醚02:48:d9:00:d8:98 txqueuelen 1000（以太网）
接收数据包217250字节249431544（249.4 MB）
接收错误0丢弃0超出0帧0
发送数据包111138字节38689700（38.6 MB）
发送错误0丢弃0溢出0载波0冲突0

这里的inet是

192.168.83.54

，而我ping到的ip地址是

15.206.243.81

。为什么同一台机器的

ifconfig

和

ping

输出中有不同的IP