Advanced Networking Tools
Subnet planning, IP and networking calculators for IT professionals.
COLLECTION 04 · 20 TOOLS
Advanced Networking
Subnetting, IP utilities, data conversion and professional IT calculators.
IPv4 Subnet Calculator
Find subnet masks, networks, broadcast and usable hosts.
VLSM Subnet Planner
Allocate correctly aligned variable-length subnets.
IPv4 Converter
Convert IPv4 to decimal, binary and hexadecimal.
Bandwidth Calculator
Estimate ideal transfer time using link speed.
Password Generator
Secure passwords generated inside your browser.
CIDR / Subnet Mask Converter
Convert between CIDR, subnet and wildcard masks.
IPv4 Address Range Calculator
Find smallest inclusive CIDR blocks for an IP range.
IPv6 Formatter
Validate, expand and compress IPv6 addresses.
MAC Address Formatter
Normalize and validate 48-bit MAC addresses.
Binary / Hex / Decimal Converter
Convert integers exactly across numeral bases.
Storage Unit Converter
Convert MB, MiB, GB, GiB, TB and TiB.
RAID Capacity Calculator
Estimate usable capacity and drive-failure tolerance.
Screen PPI Calculator
Find pixel density using resolution and diagonal.
Display Aspect Ratio Calculator
Reduce resolution to aspect ratio and compute dimensions.
PC Electricity Cost Calculator
Estimate energy and electricity cost for your setup.
TCP Bandwidth-Delay Calculator
Estimate bandwidth-delay product from bitrate and RTT.
DHCP Address Pool Calculator
Count addresses in an inclusive IPv4 DHCP pool.
Wi-Fi Channel Frequency Calculator
Map 2.4 GHz and common 5 GHz channel center frequencies.
SHA-256 File Checksum
Generate a SHA-256 digest locally without uploading files.
IPv4 Address Classifier
Identify private, public, reserved and special IPv4 ranges.