Network Tools: Ping, Port, DNS

Network Tools is an all-in-one toolkit for network admins, IT pros and home users: ping test, WAN port scanner, network discovery, DNS lookup, WHOIS, IP lookup, blacklist checker and internet speed test, plus IPv4/IPv6 subnet, RAID, UPS and WiFi link calculators.

Use the free tools to find devices on your network, check open ports and port forwarding, see your public IP, and troubleshoot connection problems fast - now with metric/imperial units and an optional Pro tier for live results, charts and deeper checks.

TOOLS
- Speed Test: measure your internet download and upload speed and latency.
- Network Discovery: scan your LAN and list the devices connected to your network.
- Ping Test: check whether a host is reachable and how fast it responds.
- Port Forwarding Test: verify that a forwarded port is really open from the outside.
- WAN Port Scanner: scan a public IP or domain for open ports.
- What is my IP?: see your public IP address at a glance.
- WHOIS Information: look up domain registration and ownership details.
- IP Lookup: find the location and provider behind any IP address.
- DNS Lookup: query DNS records for any domain.
- Blacklist Checker: find out whether an IP or domain is listed on spam blacklists.

NETWORK AND WIFI CALCULATIONS
- IPv4 Calculator: subnet mask, network and broadcast address, host range.
- IPv6 Calculator: prefixes and address ranges.
- Loss of free space: free space path loss for wireless links.
- Power Budget Calculator: plan a wireless link budget.
- System Performance Calculator: estimate throughput and system performance.
- Fresnel Area Calculator: check the Fresnel zone clearance of a radio link.
- mW - dBm Converter: convert between milliwatts and dBm.

SERVER AND RAID CALCULATIONS
- RAID Calculator: usable capacity and redundancy for different RAID levels.
- UPS Calculator: size a UPS for your load and runtime.

KNOWLEDGE BASE
- Modem Default Login Information: default router and modem credentials.
- MAC Vendors: identify the manufacturer from a MAC address.
- Rj45 Cable Wiring: RJ45 pinout and cable wiring reference.

PRO
Unlock the full toolkit with a Pro subscription:
- Live results & sliders - calculators update as you type, no Calculate taps
- Charts & comparisons - Ping, speed, RAID, UPS, link budget and DNS server charts
- Deeper network checks - 40+ blacklists, DNS server comparison, multi-port checks, and service & TLS certificate details
- History & sharing - public IP history, domain expiry tracking, named devices with new-device alerts, and any result shared as a text report
- No ads, no limits - ad-free, with unlimited calculations
Monthly or yearly subscription; cancel anytime in Google Play.

Whether you manage an office network, set up a home router, plan a WiFi link or size a server rack, Network Tools puts the everyday network utilities in one app.

Recent changes:
Network Tools - what's new in this version:
• New: RAID Calculator and UPS Calculator (Server and RAID Calculations)
• New: metric and imperial units
• Pro: live results and charts across Ping, speed, RAID, UPS, link budget and DNS comparisons
• Pro: 40+ blacklists, DNS server comparison, multi-port checks, service & TLS certificate details
• Pro: public IP history, domain expiry tracking, named devices with new-device alerts
• Pro: share any result as a text report