nomoat / WorldIP.io / Alternatives

Alternatives to WorldIP.io

WorldIP.io: Look up any IPv4 address to see its owner, ASN, location and reverse DNS, on the web or through a JSON API. Here are 2 other products that do a similar job. Of these, 2 have a free plan.

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  HoneyLabs

  Lets security teams check IP addresses against honeypot data and pull attacker feeds into their SIEM or AI assistant.

  Since 2026

  Free plan · Security and passwords · Developers

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  LDNS

  Check any domain's DNS records, WHOIS data, email authentication, TLS certificate and subdomains from one page or API.

  Since 2025

  Free · Developer tools · Developers