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Team Cymru IP to ASN Lookup BGP AS Lookup — Compare 5 Free Options | The Free Tools Directory

Home/Tools/Network/BGP AS Lookup/Team Cymru IP to ASN Lookup

🌐NetworkTool Review

BGP AS Lookup

Provided byTeam Cymru IP to ASN Lookupcymru.com

This free lookup tool maps IP addresses to BGP origin ASN/prefix data and also accepts ASN queries. It supports IPv4 ...

←One of 5 options for BGP AS Lookup

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Screenshot of BGP AS Lookup on Team Cymru IP to ASN Lookup — cymru.comOpen the live tool →

About this tool

This free lookup tool maps IP addresses to BGP origin ASN/prefix data and also accepts ASN queries. It supports IPv4 and IPv6 and exposes additional routing metadata flags. The service is publicly available with no mandatory paid plan for basic use.

Other Options

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01
Inventive HQ
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Look up BGP Autonomous System information by ASN or find which AS an IP address belongs to

Hurricane Electric BGP Toolkit

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The BGP Toolkit lets you search by ASN, IP address, or prefix to view origin AS, announced routes, peers, and routing...

ARIN Whois/RDAP Search

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ARIN’s RDAP web search allows free lookup of ASN and IP registration records via a browser interface. It can resolve ...

RIPEstat

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RIPEstat supports lookups for ASNs, IP addresses, prefixes, and hostnames, with routing and registration context from...