IP Subnet Calculator: CIDR
IP Subnet Calculator: CIDR Summary
IP Subnet Calculator: CIDR is a free, ad-supported Android app in Tools by ToolToolNam. Released in May 2026 (2 months ago). It has about 43+ installs Based on AppGoblin estimates, it reaches roughly 8.00 monthly active users and generates around $<10K monthly revenue (0% IAP / 100% ads). Store last updated Jul 21, 2026
Recent activity: 3.00 installs this week (16 over 4 weeks) View trends →
IP Subnet Calculator: CIDR SDKs Summary
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App Description
Instant subnet, mask, broadcast & host range for any IPv4 + CIDR. 100% offline.
The subnet calculator network engineers actually keep on their phone.
Type any IPv4 address, slide the CIDR — get the network, broadcast, mask, wildcard, host range, total/usable hosts, IP class, and binary breakdown instantly. No login. No internet. No tracking.
WHY ENGINEERS PICK THIS ONE:
🔢 IPv4 + CIDR (0–32)
Smooth slider lets you scan the entire prefix space. Network and host bits highlight live in the binary view.
⚡ Instant Subnet Results
Network Address · Broadcast · Subnet Mask · Wildcard Mask · First Host · Last Host · Total Hosts · Usable Hosts. Tap any value to copy.
🟦 Binary Visualization
Each octet shown as 8-bit binary with network bits highlighted in your accent color. Hex per octet too. Finally see what /27 actually looks like.
🏷 IP Class & Private Detection
Class A/B/C/D/E auto-detected. RFC 1918 private ranges (10/8, 172.16/12, 192.168/16) flagged with a lock badge.
🎯 One-Tap Presets
192.168.1.0/24 · 10.0.0.0/8 · 172.16.0.0/12 · 127.0.0.1/32. Skip the typing for everyday subnets.
🌙 Material 3 Dark Theme
Designed to stay out of your way on long lab sessions. Light theme included.
🌍 20 Languages
English, Korean, Japanese, Spanish, Portuguese, French, German, Italian, Russian, Turkish, Polish, Dutch, Hindi, Indonesian, Vietnamese, Thai, Filipino, Arabic, Chinese (Simplified & Traditional).
PERFECT FOR:
• Network engineers and sysadmins
• CCNA / Network+ / CCNP exam prep
• DevOps and SRE on-call work
• Computer Science students
• Home lab and homelab tinkerers
• Cloud / VPC subnet planning
100% offline. Pure bit math. No data leaves your device.
Built for people who plan subnets in their head and only need the calculator to double-check.