CIDR Prefix: /15
Usable Host Range for /15 Subnet
Enterprise regional cloud footprint combining multiple VPC networks. Pre-calculated routing boundaries, binary mapping mask, cloud provider allocation metrics, and copy-ready Terraform snippets.
100% Free & Secure Client-Side Sandbox
Interactive /15 Subnet Workspace
Pre-loaded Seed: 172.16.0.0/15Instantly ingest standardized industrial address space assignments from cloud reference blueprints.
Pre-Computed /15 Subnet Technical Specifications
Verified 32-bit Bitwise Calculation MatrixSubnet Mask (Dotted Decimal)255.254.0.0
Usable Host Capacity131,070 IPs
Cloud Reserved IPs (AWS)5 IPs
Default Range Seed172.16.0.0/15
| Binary Mask Blueprint | 11111111.11111110.00000000.00000000 |
|---|---|
| CIDR Notation | /15 |
| Netmask Address | 255.254.0.0 |
| Total Host Addresses | 131,072 |
| Usable Hosts (Standard IPv4) | 131,070 usable IPs |
| Cloud Net Capacity (AWS / GCP) | 131,067 usable IPs(AWS reserves 5 addresses: Network, VPC Router, DNS, Reserved, Broadcast) |
| Primary Architectural Use Case | Enterprise regional cloud footprint combining multiple VPC networks. |
Terraform IaC Configuration Block (/15)
Copy-ready infrastructure code# Regional aggregation route for /15 block.
resource "aws_route" "region_15" {
route_table_id = aws_route_table.core.id
destination_cidr_block = "172.16.0.0/15"
transit_gateway_id = aws_ec2_transit_gateway.main.id
}Related CIDR Subnet Specifications
← Larger Network (Double Host Capacity)/14 Subnet (262,142 Usable Hosts)
Multi-datacenter inter-region transit network for hybrid cloud routing.
Smaller Network (Half Host Capacity) →/16 Subnet (65,534 Usable Hosts)
Maximum allowable size for AWS VPC creation and standard Class B private subnet.