Seasonal IPv4 Subnet Calculator

EIA Seasonal Subnet Calculator

๐Ÿ› ๏ธ Subnet Configuration

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๐Ÿ’ก Tip: Check "Use RFC 1918 Private Address Space" or "Use RFC 5737 Documentation Reserved Subnets", or manually enter any subnet (e.g., 192.168.1.0/24 or 10.0.0.0/8).

๐Ÿ“‹ Current Subnet Details

Property Value
Network (CIDR) 192.168.1.0/24
Network Address (Reserved) 192.168.1.0
Broadcast Address (Reserved) 192.168.1.255
Mask (Dotted) 255.255.255.0
CIDR /24
Inverse (Wildcard) Mask 0.0.0.255
Total Valid IPs 254

๐ŸŒ Gateway Selection

Gateway:

๐Ÿ“Š Subnet Planning Assistant

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๐ŸŽฏ Subnet Requirements

Infrastructure + gateway IPs
Current host requirements
Growth capacity needed

๐Ÿ“‹ Requirements Analysis

Enter your reserved, day 1, and day 2 requirements to see your options based on the Subnet above.

๐ŸŽฏ Available Subnets

Current Network Analysis
Enter requirements to see available subnets

๐ŸŽฎ Interactive Learning

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11111111.11111111.11111111.00000000
Currently editing: 1st Octet (Green)
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What is the decimal value of the current octet?

๐Ÿ› Found an issue with the subnet calculator?

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Need a quick reference for CIDR and subnet masks?

๐Ÿ“‹ CIDR Subnet Mask IPv4 Cheat Sheet