CIDR Prefix: /3
Usable Host Range for /3 Subnet
Ultra-large multi-region aggregation block used for supernet routing and core backbones. Pre-calculated routing boundaries, binary mapping mask, cloud provider allocation metrics, and copy-ready Terraform snippets.
100% Free & Secure Client-Side Sandbox
Interactive /3 Subnet Workspace
Pre-loaded Seed: 32.0.0.0/3Instantly ingest standardized industrial address space assignments from cloud reference blueprints.
Pre-Computed /3 Subnet Technical Specifications
Verified 32-bit Bitwise Calculation MatrixSubnet Mask (Dotted Decimal)224.0.0.0
Usable Host Capacity536,870,910 IPs
Cloud Reserved IPs (AWS)5 IPs
Default Range Seed32.0.0.0/3
| Binary Mask Blueprint | 11100000.00000000.00000000.00000000 |
|---|---|
| CIDR Notation | /3 |
| Netmask Address | 224.0.0.0 |
| Total Host Addresses | 536,870,912 |
| Usable Hosts (Standard IPv4) | 536,870,910 usable IPs |
| Cloud Net Capacity (AWS / GCP) | 536,870,907 usable IPs(AWS reserves 5 addresses: Network, VPC Router, DNS, Reserved, Broadcast) |
| Primary Architectural Use Case | Ultra-large multi-region aggregation block used for supernet routing and core backbones. |
Terraform IaC Configuration Block (/3)
Copy-ready infrastructure code# AWS VPC maximum allowed CIDR block size is /16.
# /3 CIDR blocks are used for supernet route table aggregation.
resource "aws_route" "supernet_3" {
route_table_id = aws_route_table.core.id
destination_cidr_block = "32.0.0.0/3"
transit_gateway_id = aws_ec2_transit_gateway.main.id
}Related CIDR Subnet Specifications
Maximum supernet prefix boundary (/3) reached.
Smaller Network (Half Host Capacity) →/4 Subnet (268,435,454 Usable Hosts)
Large-scale backbone IP allocation block for major enterprise WAN supernetting.