Port scanner Online
portscanner.online
Portscanner Online is a web-based tool for scanning the ports of a target host or network over the internet. Users enter a target IP address or hostname, choose a scan method, and receive results such as open/closed ports, OS detection, banner grabbing, and traceroute information. The site uses Nmap, RustScan, and Unicornscan to perform scans and presents results in an organized report. It offers both free (registered) and paid (professional) membership tiers with different scan limits and methods.
What it's for
Features 20
- ARP Ping scan (Nmap)
- Banner grabber (Nmap)
- Basic port scan (Nmap)
- Check HTTP Vulnerabilities (Nmap)
- Check Open and Closed ports (Unicornscan)
- Detecting malware infections (Nmap)
- Display the HTTP headers (Nmap)
- Firewall Detection (TCP ACK Scan) (Nmap)
- Forward-confirmed Reverse DNS (Nmap)
- ICMP ECHO Ping (Nmap)
- ICMP Timestamp Ping (Nmap)
- OS Detection (Nmap)
- Ping check (Nmap)
- rDNS record (Nmap)
- Scan All TCP Ports (Nmap)
- Scan All UDP Ports (Nmap)
- Scan top 10 ports (Nmap)
- Scan top 1000 ports (RustScan)
- TCP SYN Scan (Unicornscan)
- UDP Ping scan (Nmap)
Pricing
The Professional plan costs $7.50/month, or $3.75/month when billed annually at $45/year (50% discount).
Free lifetime plan, described as suitable for beginners checking their own host.
5 scans/day, 20 API requests/day
Listed as $7.50 with a discounted $3.75/Month rate when billed annually at $45.00 (50% discount). JSON-LD AggregateOffer states highPrice=9, which conflicts with the page's stated $7.50/$3.75 figures; page text used as primary source.
10,000 scans/day, 100,000 API requests/day
Billed Annually @ $45.00 - 50% discount, equating to $3.75/Month