Subnet Mask Calculator
Free online subnet mask calculator. Instantly calculate network address, broadcast address, wildcard mask, host range and CIDR notation. Perfect for CCNA students and network engineers.
Added April 7, 2026
· Last analysed April 10, 2026 · via 
· 71% unique tagline
StackScope is a free public catalogue of indie launches. We find launches on Product Hunt, Hacker News and similar feeds, then crawl each site to detect its tech stack and score it for launch readiness: DNS, security headers, SEO basics. This page is what we saw on 10 April 2026; the live site may have changed since.
Subnet Mask Calculator is largely in shape, with a thorough launch checklist and clean crawl signals. What needs work: missing several security headers, incomplete legal pages, and no email security records.
Launched on Product Hunt on April 7, 2026. The site is hosted on Netlify and served through Cloudflare. The crawl picked up 11 technologies on this site, covering advertising, analytics, CDN, and consent tooling. The stack includes Google Funding Choices, Cloudflare, and Cloudflare DNS.
For context, it's running the same core stack as 1,570 other launches.
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Tech Stack (11)
| CDN |
Cloudflare
(3)
|
| DNS |
Cloudflare DNS
|
| Hosting |
Netlify
(2)
|
| Protocol | HTTP/3 (2) |
| Security | HSTS (2) |
| Font |
Google Fonts
|
| Advertising |
Google Ads
|
Google AdSense
|
|
| Analytics |
Google Analytics
(2)
|
| Consent |
Google Funding Choices
(2)
|
| SEO |
Google Search Console
|
Infrastructure
Email Security
Readiness Breakdown How?
Vibe Score Breakdown How?
| Signal | Points |
|---|---|
| AI writing signals | +5 |
| AI code-structure signals | +5 |
| AI typography signals | +5 |
| Unfilled template placeholders | +10 |
| AI CSS signals | +15 |
This score is based on structural patterns and is not definitive. Many legitimate sites may trigger signals, and AI-built sites may go undetected. It should be treated as an indicator, not a verdict.