SECURITY REPORT · EXTENSHI SCAN
NetworkCalc — IP & Subnet Tools
Chrome extension·by Borodinskiy
0
/ 100 SAFETY SCORE
EXCELLENT
Looks clean. No meaningful risks detected in this scan.
Automated analysis of publicly available code — not a professional security audit. It may produce false positives and does not prove an extension is unsafe or safe. Treat it as one signal among many. Disclaimer · Report an issue
How it ranks
NetworkCalc — IP & Subnet Tools's safety score vs every other extension we've scanned
Globally
42%of extensions carry more risk
Riskier ←→ Safer
Ranked against 120,712 extensions
In Productivity
69%of productivity extensions carry more risk
Riskier ←→ Safer
Ranked against 25,973 productivity extensions
Findings
7
median 10Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
2
median 3Declared in manifest
Active users
53
median 23vs category median
Findings breakdown
Automated security signal · 7 findings across 5 severities
7
findings
detected
detected
Critical00%
High229%
Medium571%
Low00%
Info00%
Permissions requested
2 permissions declared
No risky permissions
2 permissions requested — none are flagged as risky.
Medium
Store local data
Can save data locally in the browser for persistence
Low
Use side panel
Can display content in the browser side panel
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Scan performed by extenshi.io · Jun 25, 2026
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