• 87.236.176.0/24
• 185.247.137.0/24

# grep "InternetMeasurement/1.0" /var/log/apache2/access.*.log | awk '{print $1}' | sed 's/:/ /g' | awk '{print $2}' | sort -n | uniq -c
      1 87.236.176.165
      1 87.236.176.186
      1 87.236.176.188
      1 87.236.176.29
      1 87.236.176.30
      1 87.236.176.55
      1 87.236.176.58
      1 185.247.137.222
      1 185.247.137.250
      1 185.247.137.89
      1 185.247.137.92