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ASN Lookup Tool and Traceroute Server vs asnmap: catalog facts
ASN Lookup Tool and Traceroute Server	asnmap
Free Free and open source under the MIT license.	Free The CLI is free and open source under the MIT license; it requires a ProjectDiscovery…
Self-hosted, Command line	Command line
Looks up ASN, RPKI, BGP and IP information Supports bulk and JSON output	Accepts ASN, organization, domain or IP inputs Can output JSON, CSV or text
Some reconnaissance features use Shodan.	Requires an API token from ProjectDiscovery Cloud Platform Intended for authorized network reconnaissance
Downloadable app, Self-hosted	Downloadable app
Open source	Open source
License: MIT	License: MIT
Not stated if an account is needed	Account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 8, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.