It's not ping. It's a common C library routine used by quite a number of programs that does this. And this is old behaviour of that library function, that has

It's not ping. It's a common C library routine used by quite a number of programs that does this. And this is old behaviour of that library function, that has been around for decades. Here's FreeBSD's library function from 1994, and it was fairly old then: * https://github.com/dspinellis/unix-history-repo/blob/FreeBSD-releng/2.0a/lib/libc/net/inet_addr.c#L103 https://github.com/dspinellis/unix-history-repo/blob/FreeBSD...