Paying for Web Search

My words…

for i in {1..254}; do ping -c 1 -W 10 10.0.0.$i & done; wait;
arp -a | awk '{print $2, $4}' | grep -v incomplete | sed 's/[()]//g' | while read ip mac; do
  vendor=$(curl -s https://api.macvendors.com/$mac)
  echo "$ip → $mac → $vendor"
  sleep 1
done

Comments? Thoughts?