Description
Free, regularly-updated dataset and lookup that maps an IP address to its ASN and the AS description, downloadable in bulk or queried online, used to enrich large lists of IP addresses with the autonomous system and network operator they belong to.
Tool Chain
Tools that can use this tool's outputs as inputs
IP to ASN Databaseoutputs
ASN
inputs into
AFRINIC WhoisFree
APNIC WhoisFree
ASNmapFree
BGP.toolsFreemium
Cloudflare RadarFree
Hurricane Electric BGP ToolkitFree
Looking Glass Hurricane ElectricFree
OWASP AmassFree
MXToolboxFreemium
LACNIC WhoisFree
OWASP ASSTFree
PeeringDBFree
RIPEstatFree
ARIN Whois-RWSFree
ASNLookupFree
BGPViewFree
ASlookupFree
Shadowserver DashboardFree
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