ASN.tools is a fast, modern ASN, IP, and Prefix lookup tool built for network engineers and security professionals.
We aggregate data from multiple authoritative sources including Team Cymru, RIPEstat, PeeringDB, and RPKI validators to provide comprehensive network intelligence.
Features
Real-time ASN & IP lookups
IRR & RPKI validation
Interactive peer graphs
IX presence data
JSON API access
Privacy Policy
ASN.tools respects your privacy. Here's what you need to know:
Data Collection
We do not collect personal information. Search queries are cached temporarily to improve performance but are not linked to individual users.
Cookies
We do not use tracking cookies. Only essential session cookies may be used for functionality.
Third-Party Services
We use data from Team Cymru, RIPEstat, and PeeringDB. Please refer to their privacy policies for data they collect.
Email must be sent from a domain associated with the ASN owner's organization (e.g., [email protected])
Include the ASN number(s) you need refreshed
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All requests are validated to confirm they originate from the ASN owner's organization before processing. This helps prevent abuse and ensures data integrity.