NetBuddy IP Subnet Calculator 4+

The all-in-one networking toolkit that calculates IPv4/IPv6 subnets, manage VLANs, and verify MAC addresses. Quick subnet calculations to generating Cisco configs.

NetBuddy IP Subnet Calculator Pro - Network Planning Made Easy

Your comprehensive networking toolkit for IPv4 and IPv6 subnet calculations, VLAN management, and MAC address lookup - all in one professional iOS app.

KEY FEATURES:

• IPv4 Subnet Calculator

Instantly calculate subnet masks, network/broadcast addresses
View usable IP ranges and host counts
Smart CIDR suggestion based on IP class
Private IP range detection and validation
Binary and decimal format display options
Special handling for common private network ranges (10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16)
• IPv6 Calculator

Full IPv6 address support with prefix calculations
Compressed and full hexadecimal display formats
Network prefix identification
Address type detection (Global Unicast, Link Local, etc.)
Modern IPv6 networking support
• VLAN Management

Create and manage VLANs from ID 1 to 4094
Quick access to common VLAN configurations
VLAN range validation and descriptions
Predefined templates for common VLAN setups
Track VLAN assignments across your network
• MAC Address Tools

Vendor/OUI lookup functionality
Multiple format display options (colons, hyphens, dots)
Detailed MAC address properties
Unicast/Multicast detection
Administration type identification
• Comprehensive Port Reference

Common TCP/UDP port database
Quick search functionality
Detailed protocol information
Filter by TCP, UDP, or both
• Save & Export Features

Save frequently used subnets
Export configurations to CSV
Generate Cisco IOS configuration scripts
Create PowerShell DHCP server configurations
Organize subnets with custom labels and VLAN assignments
Perfect for: • Network Engineers • IT Administrators • Network Students • DevOps Professionals • System Administrators • Anyone working with IP networks

PROFESSIONAL FEATURES:

Clean, intuitive interface designed for iOS
Real-time calculations
Offline functionality - no internet required
Universal app - works on iPhone and iPad
Dark mode support
No ads or in-app purchases
Whether you're designing a new network, troubleshooting subnet issues, or learning about networking, IP Subnet Calculator Pro provides the tools you need in an easy-to-use package.

Privacy Focused: • No data collection • All calculations performed locally • No internet connection required • Your network information stays on your device

Regular updates and professional support ensure you always have the most reliable networking toolkit at your fingertips.

Download NetBuddy IP Subnet Calculator Pro today and streamline your network planning and management tasks!