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Cloud Threat Landscape

ASN

Aliases

ASN Lookup Tool and Traceroute Server

Tags
OffSecDual-use
Incidents
CRYSTALRAY: threat actors exploiting OSS tools
References
https://github.com/nitefood/asn
Last edited
Dec 25, 2024 12:18 PM

This script is an OSINT command-line tool designed for quick and efficient network data investigation, making it useful for incident response scenarios. It supports tasks like ASN and RPKI validity checks, BGP stats analysis, IP reputation and geolocation, prefix and ASPath lookup, network reconnaissance, and IP fingerprinting. Bulk geolocation and threat scoring are also included.

The tool enables reconnaissance by querying Shodan for comprehensive target data (CIDR blocks, URLs, IPs, or hostnames) without direct interaction with the target, providing insights into open ports, vulnerabilities, and running software or hardware. It also functions as a web-based traceroute server, allowing lookups and traces via browser or terminal, and can operate as a self-hosted lookup API, delivering JSON-formatted data in both interactive and server modes.

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Last Updated: April 3, 2025