BayMaxHome Network Admin Tools

Free practical tools

Subnet, CIDR, DNS, bandwidth, latency, port, uptime, and infrastructure planning tools.

Enter values, run the tool, copy the result. Built for network admins, developers, IT support teams, and sysadmins.

32 working tools4 categoriesNo sign-upCopy-ready results

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IP

CIDR Host Calculator

Calculate usable hosts from CIDR prefix.

IP

Subnet Mask Calculator

Convert CIDR prefix to subnet mask.

IP

IP Range Size Calculator

Calculate range size from start and end last octet.

IP

VLSM Quick Planner

Estimate prefix for required hosts.

DNS

DNS TTL Converter

Convert TTL seconds to minutes and hours.

DNS

DNS Propagation Window

Estimate propagation wait window.

Bandwidth

Download Time Calculator

Estimate download time from file size and bandwidth.

Bandwidth

Upload Time Calculator

Estimate upload time.

Bandwidth

Data Transfer Calculator

Estimate monthly data transfer.

Bandwidth

Latency Distance Estimator

Estimate minimum round-trip latency by distance.

Ops

Packet Loss Percentage

Calculate packet loss percentage.

Ops

Uptime Percentage Calculator

Calculate uptime percentage.

Ops

Downtime Budget Calculator

Calculate allowed downtime from SLA.

Ops

Port Range Size Calculator

Calculate number of ports in a range.

Ops

NAT Session Estimator

Estimate NAT sessions per user.

IP

DHCP Scope Usage

Calculate DHCP scope usage.

Bandwidth

Wi-Fi Capacity Estimator

Estimate users per access point.

Ops

Backup Window Calculator

Estimate backup time.

Ops

Log Storage Calculator

Estimate log storage needs.

Ops

HTTP Status Class Lookup

Classify HTTP status code.

IP

Advanced CIDR Host Calculator

Calculate usable hosts from CIDR prefix. This focused variant is tuned for advanced planning and long-tail workflow searches.

IP

Quick Subnet Mask Calculator

Convert CIDR prefix to subnet mask. This focused variant is tuned for quick planning and long-tail workflow searches.

IP

Planning IP Range Size Calculator

Calculate range size from start and end last octet. This focused variant is tuned for planning planning and long-tail workflow searches.

IP

Mobile VLSM Quick Planner

Estimate prefix for required hosts. This focused variant is tuned for mobile planning and long-tail workflow searches.

DNS

Small Business DNS TTL Converter

Convert TTL seconds to minutes and hours. This focused variant is tuned for small business planning and long-tail workflow searches.

DNS

Family DNS Propagation Window

Estimate propagation wait window. This focused variant is tuned for family planning and long-tail workflow searches.

Bandwidth

Team Download Time Calculator

Estimate download time from file size and bandwidth. This focused variant is tuned for team planning and long-tail workflow searches.

Bandwidth

Travel Upload Time Calculator

Estimate upload time. This focused variant is tuned for travel planning and long-tail workflow searches.

Bandwidth

Audit Data Transfer Calculator

Estimate monthly data transfer. This focused variant is tuned for audit planning and long-tail workflow searches.

Bandwidth

Checklist Latency Distance Estimator

Estimate minimum round-trip latency by distance. This focused variant is tuned for checklist planning and long-tail workflow searches.

Ops

Budget Packet Loss Percentage

Calculate packet loss percentage. This focused variant is tuned for budget planning and long-tail workflow searches.

Ops

Weekly Uptime Percentage Calculator

Calculate uptime percentage. This focused variant is tuned for weekly planning and long-tail workflow searches.

IP

IP tools

DNS

DNS tools

Bandwidth

Bandwidth tools

Ops

Ops tools

Guides

Short practical guides