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Find IP ranges from a asn

ASNIP Range / CIDR

Have a asn? These OSINT tools take a asn as input and return IP ranges. 8 tools in our catalogue make this exact pivot — compare them by pricing, platform, and what they output, then chain the results into the next step of your investigation.

8tools
All ASN tools
ASNLookup icon

ASNLookup

Free ASN to prefix lookup

FreeOSSWebAPI
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ASNmap icon

ASNmap

ASN to CIDR resolver by ProjectDiscovery

FreeOSSCLI
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ASlookup icon

ASlookup

Look up ASN, owner and announced prefixes for an IP

FreeWeb
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BGP.tools icon

BGP.tools

Real-time BGP routing visibility platform

FreemiumWebAPI
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BGPView icon

BGPView

Free BGP routing data REST API

FreeWebAPI
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Hurricane Electric BGP Toolkit icon

Hurricane Electric BGP Toolkit

Hurricane Electric free BGP toolkit

FreeWeb
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OWASP ASST icon

OWASP ASST

OWASP Amass companion utilities

FreeOSSCLI
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RIPEstat icon

RIPEstat

RIPE NCC network statistics API

FreeWebAPI
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From asn, also find…

WHOIS Data6

Find ip range / cidr from other data

IP Address9
All OSINT use cases & data types