packetlab / ip-scanner

A free, self-hosted alternative to Shodan and Censys — no registration, no paywalls, no API keys required.

Scan any public IP on demand. Get open ports, service banners, SSL certificates, ASN, ISP, and reverse DNS — instantly.

⚠ Responsible use only. This tool performs on-demand port scans of specific IP addresses for legitimate security research and abuse investigation purposes. Scans are targeted, manual, and rate-limited. This tool is not used for mass scanning, automated probing, or any unauthorized network activity. All scans are performed from a dedicated VPS solely used for this purpose.