On Sat, 25 Sep 2021 23:20:26 +0200, Baldur Norddahl said:
We should remember there are also multiple ways to print IPv4 addresses. You can zero extend the addresses and on some ancient systems you could also use the integer value.
19:17:38 0 [~] ping 2130706433 PING 2130706433 (127.0.0.1) 56(84) bytes of data. 64 bytes from 127.0.0.1: icmp_seq=1 ttl=64 time=0.126 ms 64 bytes from 127.0.0.1: icmp_seq=2 ttl=64 time=0.075 ms 64 bytes from 127.0.0.1: icmp_seq=3 ttl=64 time=0.063 ms 64 bytes from 127.0.0.1: icmp_seq=4 ttl=64 time=0.082 ms ^C --- 2130706433 ping statistics --- 4 packets transmitted, 4 received, 0% packet loss, time 84ms rtt min/avg/max/mdev = 0.063/0.086/0.126/0.025 ms Works on Fedora Rawhide based on RedHat, Debian 10, and Android 9. That's a bit more than just 'some ancient systems' - depending whether it works on other Android releases, and what IoT systems do, we may have more systems today that support it than don't support it.