Nmap Online Port Scan
Discover open ports. Protect your network, servers, and IT assets
612
built-in NSE scripts for vulnerability detection
28 years
the industry standard since 1997
The easiest way to run Nmap port scans
With HostedScan, easily run Nmap and other industry-standard vulnerability scanners through an online dashboard. More than just the scanners, our platform includes full TCP and UDP port scanning, reporting and management features for SOC 2 and ISO 27001, and a vulnerability management system to reduce noise and stay on top of what matters.
Widely Used
Trusted by security teams and penetration testers worldwide
IP & Service Scanning
Scan IP addresses for potentially exposed running services
CIDR Block Scanning
Scan CIDR blocks to detect new network activity
Firewall & Router Checks
Check firewalls and routers for exposed ports
Automatic Alerts
Get notified automatically when new open ports are detected
Ready to run an Nmap scan in seconds?
Get the full power of Nmap without installing a thing. That's HostedScan.
Nmap Online Port Scan Details
Nmap is the industry leading port scanner, used daily by enterprises and infosec professionals. Nmap discovers open ports on your servers, devices, and networks. HostedScan Security provides an online port scan powered by Nmap and trusted by hundreds of businesses.
Port Scanner Use Cases
Scanning for open ports is an important step to secure your servers and networks from cyberattacks and data leaks. Verify that only expected ports are open and no services or firewalls are misconfigured. Regular port scans are often required as part of certifications such as ISO 27001 and SOC-2.
Benefits of using HostedScan
Strengthen your
cybersecurity
resilience
Strengthen your cybersecurity resilience
Strengthen your
cybersecurity
resilience
Mitigate security vulnerabilities
Discover CVEs, OWASP Top 10 vulnerabilities, and exploitable weaknesses across your entire infrastructure. Get prioritized remediation guidance with CVSS scoring and actionable risk classifications—fix what matters first.
Manage your risk exposure
With regulations such as GDPR and CCPA, failure to maintain reasonable security procedures is grounds for lawsuits and fines.
Meet compliance requirements
Vulnerability scanning is essential for your compliance with SOC 2, ISO 27001, cyber insurance, and more.
Detect misconfigurations
90% of cyber attacks exploit simple misconfigurations, not zero-days. Detect exposed ports, weak credentials, outdated software, and common security gaps before attackers do—automatically, every day.
Map your attack surface
Your infrastructure changes constantly. Automatically discover and monitor all websites, servers, networks, and APIs—maintaining complete visibility of your attack surface without manual tracking.
Our Customers
5,000+ MSPs and IT teams who move faster
Quick Answers
Frequently asked questions
Our knowledge base contains answers to technical questions, and you can always contact us for more details on our plans, pricing, or any questions.
With any paying account, you can create an unlimited number of targets in your account, however you can only scan the number of targets you are paying for each month.
This allows you to retain and manage all your historical risk, scan, and target data in one place, without on-going cost.
Speed and power,
without the complexity
The world's leading vulnerability scanners, all in one platform.