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ASM Cheatsheet

asnmap

Intermediate
Actively maintained

Map an organization to the IP ranges it actually owns via ASN lookup

https://github.com/projectdiscovery/asnmap

Installation

go install -v github.com/projectdiscovery/asnmap/cmd/asnmap@latest

Usage

Basic Usage

# CIDR ranges announced by an organization
asnmap -org "EXAMPLE-ORG"

# Look up by ASN, IP, or domain
asnmap -a AS64496
asnmap -i 93.184.216.34
asnmap -d example.com

# Feed the ranges into port scanning (only for ranges you are authorized to scan)
asnmap -d example.com -silent | naabu -top-ports 100 -rate 300