RTTest.sh

#!/usr/bin/env bash
set -eo pipefail

TARGETs=(${@})

avg_lat() { basename $(ping -s 4096 -c 10 -q "${1}" | awk '/avg/ {print $4}'); }
w8() { c=0; for p in ${@}; do (wait ${p} 2>/dev/null || c=$?) & done; wait; }
work() { echo -e "$(avg_lat ${1})\\t${1}\\t$(curl -s ipinfo.io/${1} | jq -r '.loc,.country,.region' | tr '\n' '\t')"; }

pids=()
echo -e "RTT\\tADDR\\t\\tLOC\\t\\tCOUNTRY\\tREGION"
for _ip in ${TARGETs[@]}; do
	pids+=($!);
	work "${_ip}" &
done | sort -V & w8 ${pids[@]}