I use them fairly often, but I'm a network engineer. I odo ccasionally use the (already-mentioned) $ ping 1.1 $ 10.1 variants, but I use "these obscure

I use them fairly often, but I'm a network engineer. I odo ccasionally use the (already-mentioned) $ ping 1.1 $ 10.1 variants, but I use "these obscure formats" more frequently when dealing with 4-byte ASNs (cf. [0], for example). -- [0]: https://ccieblog.co.uk/bgp/bgp-4-byte-as-numbers https://ccieblog.co.uk/bgp/bgp-4-byte-as-numbers