luceos
It seems to be the case, but I can preview it in a browser
So I think ping is forbidden.
[root@izuf689xqqrqbgfh08s9x7z 11]# ping github.com
PING github.com (52.74.223.119) 56(84) bytes of data.
^C
--- github.com ping statistics ---
103 packets transmitted, 0 received, 100% packet loss, time 102016ms
[root@izuf689xqqrqbgfh08s9x7z 11]# ping github.io
PING github.io (185.199.111.153) 56(84) bytes of data.
64 bytes from 185.199.111.153 (185.199.111.153): icmp_seq=1 ttl=49 time=188 ms
64 bytes from 185.199.111.153 (185.199.111.153): icmp_seq=2 ttl=49 time=193 ms
64 bytes from 185.199.111.153 (185.199.111.153): icmp_seq=3 ttl=49 time=199 ms
64 bytes from 185.199.111.153 (185.199.111.153): icmp_seq=4 ttl=49 time=178 ms
64 bytes from 185.199.111.153 (185.199.111.153): icmp_seq=5 ttl=49 time=193 ms
64 bytes from 185.199.111.153 (185.199.111.153): icmp_seq=6 ttl=49 time=205 ms
^C
--- github.io ping statistics ---
7 packets transmitted, 6 received, 14% packet loss, time 6007ms
rtt min/avg/max/mdev = 178.942/193.203/205.683/8.456 ms