Saskatoon

https://sadservers.com/scenario/saskatoon

# using cut to take only IPs, uniq with counter and sorting, and tail for last entry
# uniq needs sorting before execution
cut -d ' ' -f 1 /home/admin/access.log | sort | uniq -c | sort | tail -1

echo "66.249.73.135" > /home/admin/highestip.txt