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GeoIP2 CSV Format Converter

This is a simple utility for converting the MaxMind GeoIP2 and GeoLite2 CSVs to different formats for representing IP addresses such as IP ranges or integer ranges.

Compiled binaries for Linux/x86_64, Windows, and macOS (darwin) can be downloaded from the GitHub releases page.

Usage

Required:

  • -block-file=[FILENAME] - The name of the block CSV file to use as input.
  • -output-file=[FILENAME] - The file name to the output CSV

In addition, at least one of these is required:

  • -include-cidr - Include the network in CIDR format
  • -include-range - Include the IP range of the network in string format
  • -include-integer-range - Include the IP range of the network in integer format
  • -include-hex-range - Include the IP range of the network in hexadecimal format

Output

CIDR (-include-cidr)

This will include the network in CIDR notation in the network column as it is in the original CSV.

Range (-include-range)

This adds network_start_ip and network_last_ip columns. These are string representations of the first and last IP address in the network.

Integer Range (-include-integer-range)

This adds network_start_integer and network_last_integer columns. These are integer representations of the first and last IP address in the network.

Hex Range (-include-hex-range)

This adds network_start_hex and network_last_hex columns. These are hexadecimal representations of the first and last IP address in the network.

Copyright and License

This software is Copyright (c) 2014 - 2024 by MaxMind, Inc.

This is free software, licensed under the Apache License, Version 2.0.