CIDR Prefix: /16
Usable Host Range for /16 Subnet
Maximum allowable size for AWS VPC creation and standard Class B private subnet. Pre-calculated routing boundaries, binary mapping mask, cloud provider allocation metrics, and copy-ready Terraform snippets.
100% Free & Secure Client-Side Sandbox
Interactive /16 Subnet Workspace
Pre-loaded Seed: 10.0.0.0/16Instantly ingest standardized industrial address space assignments from cloud reference blueprints.
Pre-Computed /16 Subnet Technical Specifications
Verified 32-bit Bitwise Calculation MatrixSubnet Mask (Dotted Decimal)255.255.0.0
Usable Host Capacity65,534 IPs
Cloud Reserved IPs (AWS)5 IPs
Default Range Seed10.0.0.0/16
| Binary Mask Blueprint | 11111111.11111111.00000000.00000000 |
|---|---|
| CIDR Notation | /16 |
| Netmask Address | 255.255.0.0 |
| Total Host Addresses | 65,536 |
| Usable Hosts (Standard IPv4) | 65,534 usable IPs |
| Cloud Net Capacity (AWS / GCP) | 65,531 usable IPs(AWS reserves 5 addresses: Network, VPC Router, DNS, Reserved, Broadcast) |
| Primary Architectural Use Case | Maximum allowable size for AWS VPC creation and standard Class B private subnet. |
Terraform IaC Configuration Block (/16)
Copy-ready infrastructure coderesource "aws_vpc" "vpc_16" {
cidr_block = "10.0.0.0/16"
enable_dns_hostnames = true
tags = {
Name = "prod-vpc-16"
}
}Related CIDR Subnet Specifications
← Larger Network (Double Host Capacity)/15 Subnet (131,070 Usable Hosts)
Enterprise regional cloud footprint combining multiple VPC networks.
Smaller Network (Half Host Capacity) →/17 Subnet (32,766 Usable Hosts)
Half VPC address space ideal for splitting multi-region VPC peering setups.