---
id: 8023
title: "NetblockTool: The Easy Way to Find IP Addresses Owned by a Company"
source_domain: netspi.com
source_url: "https://www.netspi.com/blog/technical-blog/network-pentesting/netblocktool/"
published_at: "2020-10-29T00:00:00Z"
tags: ["osint", "red-team", "blue-team", "tooling", "recon", "network-pentesting", "netblocktool"]
phying_url: "https://phying.com/item/8023"
lang: en
---

# NetblockTool: The Easy Way to Find IP Addresses Owned by a Company

## Summary

NetblockTool is a Python tool that automates netblock discovery, scraping Google dorks, ARIN, and IPinfo to build a confidence-ranked list of IP ranges owned by a company and its subsidiaries.

## Intelligence Metadata

- **Sources:** netspi.com
- **Published:** 2020-10-29T00:00:00Z
- **Original:** https://www.netspi.com/blog/technical-blog/network-pentesting/netblocktool/
- **Phying News:** https://phying.com/item/8023