ping 8.8.8.8        # Google DNS

ping 4.2.2.2        # Level 3 DNS

ping 4.2.2.1 to 6   # Level 3 DNS

ping 1.1.1.1        # CloudFlare DNS

ping 9.9.9.9        # Quad9 DNS

ping 1.1            # an somewhat invalid IPv4 address, but it gets parsed as valid due to historical quirks
                    #       https://networkengineering.stackexchange.com/a/56997
                    #       https://superuser.com/a/486936/117795

ping -titties 1.1   # Somewhat crude, but 'ping -titties' is treated the same way as 'ping -t'.