CIDR Prefix: /17
Usable Host Range for /17 Subnet
Half VPC address space ideal for splitting multi-region VPC peering setups. Pre-calculated routing boundaries, binary mapping mask, cloud provider allocation metrics, and copy-ready Terraform snippets.
100% Free & Secure Client-Side Sandbox
Interactive /17 Subnet Workspace
Pre-loaded Seed: 10.0.0.0/17Instantly ingest standardized industrial address space assignments from cloud reference blueprints.
Pre-Computed /17 Subnet Technical Specifications
Verified 32-bit Bitwise Calculation MatrixSubnet Mask (Dotted Decimal)255.255.128.0
Usable Host Capacity32,766 IPs
Cloud Reserved IPs (AWS)5 IPs
Default Range Seed10.0.0.0/17
| Binary Mask Blueprint | 11111111.11111111.10000000.00000000 |
|---|---|
| CIDR Notation | /17 |
| Netmask Address | 255.255.128.0 |
| Total Host Addresses | 32,768 |
| Usable Hosts (Standard IPv4) | 32,766 usable IPs |
| Cloud Net Capacity (AWS / GCP) | 32,763 usable IPs(AWS reserves 5 addresses: Network, VPC Router, DNS, Reserved, Broadcast) |
| Primary Architectural Use Case | Half VPC address space ideal for splitting multi-region VPC peering setups. |
Terraform IaC Configuration Block (/17)
Copy-ready infrastructure coderesource "aws_vpc" "vpc_17" {
cidr_block = "10.0.0.0/17"
enable_dns_hostnames = true
tags = {
Name = "peered-vpc-17"
}
}Related CIDR Subnet Specifications
← Larger Network (Double Host Capacity)/16 Subnet (65,534 Usable Hosts)
Maximum allowable size for AWS VPC creation and standard Class B private subnet.
Smaller Network (Half Host Capacity) →/18 Subnet (16,382 Usable Hosts)
Large cloud subnet block for high-density Kubernetes (EKS/GKE) cluster worker nodes.