OSINT tools and more but without API key

Go CLI and Library for quickly mapping organization network ranges using ASN information.

ASN target organization IP range attack surface mapping for reconnaissance, fast and lightweight

spk aka spritzgebaeck: A small OSINT/Recon tool to find CIDRs that belong to a specific organization.

Query IP address network information in Go

asnap aims to render recon phase easier by providing updated data about which companies owns which ipv4 or ipv6 addresses and allows the user to automate initial port and service scanning.

A Go application that outputs prefixes to a text file and supports ASN lookups.

CLI and Go package for fast, offline ASN lookups

Free IP Geolocation API

A basic API for IP location lookups

Library for using Team Cymru's IP to ASN mapping service

High performance DNS server to locate IP addresses

Webservice providing prefixes announced by a specific ASN based on routing daemon information

Autonomous System Number Utility for Go

Simple tool to find the upstream for a specific IP

Go library for resolving ASN to description

Tool to map AS Numbers to it's corresponding IP Networks using whois.radb.net

generate pf firewall config files from full live asn/bgp routing tables (app/lib/api)

Simple checker geo by ip on Go

Simple go asn1 parser