Unable to ping www.eclipse.org in compute instance

Summary:

I'm unable to ping www.eclipse.org, but be able to ping www.linux.org.

What could be wrong?

Content (please ensure you mask any confidential information):

Here is console log:

ubuntu@instance-20240207-2353:~$ ping www.eclipse.org
PING eclipse.org (198.41.30.198) 56(84) bytes of data.
^C
--- eclipse.org ping statistics ---
4 packets transmitted, 0 received, 100% packet loss, time 3072ms

ubuntu@instance-20240207-2353:~$ ping www.linux.org
PING www.linux.org(2606:4700:20::681a:f48 (2606:4700:20::681a:f48)) 56 data bytes
64 bytes from 2606:4700:20::681a:f48 (2606:4700:20::681a:f48): icmp_seq=1 ttl=60 time=0.764 ms
64 bytes from 2606:4700:20::681a:f48 (2606:4700:20::681a:f48): icmp_seq=2 ttl=60 time=0.838 ms
^C
--- www.linux.org ping statistics ---