4 ms·macOS here: % ping 1 PING 1 (0.0.0.1): 56 data bytes % ping 1.0 PING 1.0 (1.0.0.0): 56 data bytesby FreshFries 6y agomacOS here: % ping 1 PING 1 (0.0.0.1): 56 data bytes % ping 1.0 PING 1.0 (1.0.0.0): 56 data bytes