Hacker Public Radio   /     HPR4041: Using grepcidr to find IPs in a netblock

Description

grepcidr is usually available from your distribution's default repositories, so on Debian based systems you could install it with: sudo apt install grepcidr Example of grepcidr use: grepcidr 40.10.32.0/22 /var/log/syslog You can read more about CIDR notation on the Wikipedia page for CIDR

Summary

grepcidr is usually available from your distribution's default repositories, so on Debian based systems you could install it with: sudo apt install grepcidr Example of grepcidr use: grepcidr 40.10.32.0/22 /var/log/syslog You can read more about CIDR notation on the Wikipedia page for CIDR