Via SSH run the following commands:
View all port 80 (HTTP)connections by IP:
netstat -anp | grep :80 | awk '{print $5}' | cut -d: -f1 | sort | uniq -c | sort -n
View all port 443 (HTTPS/SSL) connections by IP
netstat -anp | grep :443 | awk '{print $5}' | cut -d: -f1 | sort | uniq -c | sort -n