Subslplit.py | some (excellent) pen testing tools have a hard time outside of /24 and smaller networks, this little script tries to address that by fragmenting large networks into palatable lists

gistfile1.txt

import ipaddress
import os

# Get the IP address range from the user
ip_range = input("Enter IP address range (CIDR notation): ")

# Convert the IP address range to an object of type ipaddress.IPv4Network
ip_net = ipaddress.IPv4Network(ip_range)

# Get the number of target files from the user
num_files = int(input("Enter the number of target files: "))

# Calculate the number of IP addresses per file
num_ips = ip_net.num_addresses // num_files

# Create a list of all the IP addresses in the range
ips = [str(ip) for ip in ip_net]

# Create the target files and write the IP addresses to them
for i in range(num_files):
    filename = f"targets_{chr(97+i)}"
    with open(filename, "w") as f:
        start_index = i * num_ips
        end_index = (i + 1) * num_ips if i < num_files - 1 else len(ips)
        f.write("\n".join(ips[start_index:end_index]))