1: ~$ ping ftp.grulic.org.ar
PING ftp.grulic.org.ar (170.210.148.20): 56 data bytes

--- ftp.grulic.org.ar ping statistics ---
3 packets transmitted, 0 packets received, 100% packet loss
2: ~$ ping 170.210.148.20
PING 170.210.148.20 (170.210.148.20): 56 data bytes

--- 170.210.148.20 ping statistics ---
6 packets transmitted, 0 packets received, 100% packet loss
3: ~$ ping 170.210.148.20.
ping: unknown host 170.210.148.20.