sping — Network analysis and diagnostics

Network management tool that visualizes network connectivity status in graph form and provides automatic diagnostics.

Basic Information

What is this program?

sping is a network management tool that checks connectivity to multiple target hosts in real time and visualizes the results as a node-edge graph. It runs ping, traceroute, and DNS lookups in parallel with a single command to show the status of entire network paths at a glance.

In addition to simple reachability, it shows latency, packet loss rate, and path changes in the graph, and automatically diagnoses candidate causes when problems occur in a specific segment. It is used for server fleet management, firewall rule validation, and network failure analysis.

What problems does it solve?

• ('For network failure response', 'when you need to quickly check connectivity to multiple targets', 'you can generate a graph for all targets with a single command and immediately identify problem points.')
• ('For network change validation', 'when checking connectivity after firewall or routing changes', 'you can compare graphs before and after changes to identify affected targets.')
• ('For continuous monitoring', 'when you need to track network path changes', 'you can record graph changes over time to analyze path variation patterns.')

Key Features

Connection graph visualization

Displays ping and traceroute results for multiple targets as a node-edge graph

• Use case: When checking connectivity to multiple targets at a glance
• Result: Problem segments are immediately highlighted in the graph
• Limitations: If the number of targets exceeds several hundred, the graph can become complex.

Automatic diagnostics

Automatically analyzes candidate causes step by step across DNS, routing, and firewall when a connection fails

• Use case: When you need to quickly narrow down the cause of a failure
• Result: Reduces manual diagnostic steps and shortens response time
• Limitations: Automatic diagnostics are for reference only; final verification is still required.

Path change tracking

Stores and compares traceroute results over time

• Use case: In environments where network paths change frequently
• Result: Identify path change patterns and correlations
• Limitations: Log size management is needed for long-term retention.

Parallel checks

Checks dozens to hundreds of targets simultaneously

• Use case: Large-scale fleet connectivity checks
• Result: Reduces check time from minutes to seconds
• Limitations: Excessive parallel checks can put load on target servers.

Installation and execution

Linux (binary)

Download the official binary and add it to your PATH.

curl -fsSL https://sping.dev/install.sh | sh
sping --version

Linux (source build)

Build from source with Go 1.22 or later.

git clone https://github.com/sping-dev/sping
cd sping
go build -o sping ./cmd/sping
sudo mv sping /usr/local/bin/

macOS

Use Homebrew or build from source.

brew install sping

Real-world usage examples

Basic connectivity check

Specify multiple targets to generate a graph. The default interval is 2 seconds.

$ sping --targets web1.example.com,web2.example.com,api.example.com

[graph] web1.example.com ── OK (12ms)
[graph] web2.example.com ── OK (34ms)
[graph] api.example.com  ── TIMEOUT (packet loss 100%)

Run automatic diagnostics

Runs step-by-step diagnostics for failed targets.

$ sping --targets api.example.com --diagnose

[diag] DNS resolve ... OK (192.0.2.50)
[diag] ICMP echo    ... FAIL (firewall suspected)
[diag] TCP 443      ... OK (TLS handshake OK)
[diag] Diagnosis result: ICMP blocked, HTTPS normal — firewall rule check required

Export graph

Save graphs as PNG/JSON for use in reports.

$ sping --targets fleet.txt --export graph.png --export-json graph.json
# graph.png, graph.json saved

Advantages and limitations

Advantages

• Visualizes connectivity to multiple targets with a single command
• Automatic DNS, routing, and firewall step-by-step diagnosis on failure
• Parallel checks reduce large-scale fleet check time
• Easy report and automation integration via PNG/JSON export

Considerations before use

• The GUI graph viewer is provided as a separate package (sping-viewer) and requires additional installation.
• ICMP-based checks may be blocked by some firewalls and may require a TCP fallback.
• Be aware of target server load from excessive parallel checks in large-scale fleets.

Comparison with similar programs

Official resources and further learning

• Official website — https://sping.dev/
• Official documentation / knowledge base — https://sping.dev/docs/
• Official downloads — https://sping.dev/downloads
• Release notes — https://sping.dev/changelog
• Source / development resources — https://github.com/LambdaBytes/sping

Version and supported environment information is from the official site as of 2026-10-18. Installation commands may vary depending on your distribution and version, so check the official installation documentation as well.

Actual execution screenshot

The screen below is a synthetic example created to help understand the usage flow (not an actual execution result). This screen is a synthetic example and not an actual execution result.

!sping connection graph example: all 3 targets OK, average latency 21.7ms, PNG export complete

Production server

Source (HTML): https://games.aidebatehub.com/programs/apps/network/sping.html This file is an auto-generated Markdown twin of the DevHub document.