Enter a target
Accepted input: Domain, IP address.
fleet module
asnmap OSINT search
Maps an address or organisation to its autonomous system. Results land in a Command One case with their source and confidence, alongside the rest of your investigation. Part of Reverse IP lookup · all tools.
public sources only · free registration
how it works
From domain to evidence
Run the module
The job is sent to a live worker. If no worker can run it, you are not charged.
Review results
ASN owner and announced IP prefixes.
Verify and export
Link findings in CommandDeck, add notes and export a PDF or CSV case report.
related modules
Pair asnmap with
Combining modules gives independent sources that confirm or rule out a lead.
naabu
Authorised port discovery against public IP addresses.
Shodan
Reads Shodan's index of internet-exposed services for an address.
VirusTotal
Adds VirusTotal reputation and relationship data to infrastructure findings.
questions
asnmap questions
What does asnmap find?
ASN owner and announced IP prefixes.
What do I need to start a asnmap search?
Domain, IP address. Command One only runs a module against targets it accepts.
What are the limits of asnmap?
A network operator is not necessarily the owner of a website.
How much does asnmap cost?
Registration is free. The module uses credits from your daily allowance or purchased balance. Current costs are listed on the credits page, and you are only charged when the module can actually run.
Try asnmap in a case
Create a free account to run available modules. For lawful research and authorised assessments only.