Free subnet calculator printables
Every sheet below is a free PDF you can print at home or at school. Open a sheet to see what is on it, then download it — no sign-up needed.
Printable IPv4 Subnet Cheat SheetOne-page IPv4 subnet cheat sheet with CIDR, mask, wildcard, total addresses, and usable addresses for quick subnet reference.1 page · free PDF
Printable Binary Table ChartPrintable subnetting binary table with mask octet values, binary, block size, and network bits in each octet for quick IP math.1 page · free PDF
Printable Subnetting Practice SheetPractice finding network and broadcast addresses for IPv4 subnet problems with a name and date line, answer spaces, and an answer key.2 pages · free PDF
Printable Subnet Hosts Practice SheetTwo-page printable subnet practice sheet with name and date fields, host-count problems, and an answer key for quick checking.2 pages · free PDF
Printable IP Address PlanPlan subnets, VLANs, gateways, and DHCP ranges with this printable IP address sheet. Includes columns for network details and host counts by prefix.2 pages · free PDF5 files · PDF, XLSX, DOCX
Get every sheet: Subnetting Reference Pack
This sheet plus 4 more in one download, with the editable Excel and Word files. Printable subnetting cheat sheet (CIDR, masks, wildcards, hosts), a binary and powers-of-two table, subnetting practice worksheets with answers and an IP address plan workbook.
$3.00 USD, one-time 5 files · about $0.60 each
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