Smokeping - 100% paket loss with &

I’ve been running the Smokeping container for a few days now and I noticed that I have a continuous packet loss of 100% to the preset destinations and I can reach their websites but I also have the same problem pinging these destinations from another machine.
Could it be that these destinations are ignoring ICMP packets by now or could this be due to my ISP. I have no other problems pinging other destinations.