Counting IP Addresses in a Log File

readme.md

• Command

grep -o "[0-9]\+\.[0-9]\+\.[0-9]\+\.[0-9]\+" /var/log/nginx/access.log

• Unique IPs

grep -o "[0-9]\+\.[0-9]\+\.[0-9]\+\.[0-9]\+" /var/log/nginx/access.log | sort | uniq

• Number of times each IP

grep -o "[0-9]\+\.[0-9]\+\.[0-9]\+\.[0-9]\+" /var/log/nginx/access.log | sort | uniq -c

Or

grep -o "[0-9]\+\.[0-9]\+\.[0-9]\+\.[0-9]\+" httpd.log | sort | uniq -c | sort -n