CIDR Prefix: /4
Usable Host Range for /4 Subnet
Large-scale backbone IP allocation block for major enterprise WAN supernetting. Pre-calculated routing boundaries, binary mapping mask, cloud provider allocation metrics, and copy-ready Terraform snippets.
100% Free & Secure Client-Side Sandbox
Interactive /4 Subnet Workspace
Pre-loaded Seed: 16.0.0.0/4Instantly ingest standardized industrial address space assignments from cloud reference blueprints.
Pre-Computed /4 Subnet Technical Specifications
Verified 32-bit Bitwise Calculation MatrixSubnet Mask (Dotted Decimal)240.0.0.0
Usable Host Capacity268,435,454 IPs
Cloud Reserved IPs (AWS)5 IPs
Default Range Seed16.0.0.0/4
| Binary Mask Blueprint | 11110000.00000000.00000000.00000000 |
|---|---|
| CIDR Notation | /4 |
| Netmask Address | 240.0.0.0 |
| Total Host Addresses | 268,435,456 |
| Usable Hosts (Standard IPv4) | 268,435,454 usable IPs |
| Cloud Net Capacity (AWS / GCP) | 268,435,451 usable IPs(AWS reserves 5 addresses: Network, VPC Router, DNS, Reserved, Broadcast) |
| Primary Architectural Use Case | Large-scale backbone IP allocation block for major enterprise WAN supernetting. |
Terraform IaC Configuration Block (/4)
Copy-ready infrastructure code# AWS VPC maximum allowed CIDR block size is /16.
# /4 CIDR blocks are used for supernet route table aggregation.
resource "aws_route" "supernet_4" {
route_table_id = aws_route_table.core.id
destination_cidr_block = "16.0.0.0/4"
transit_gateway_id = aws_ec2_transit_gateway.main.id
}Related CIDR Subnet Specifications
← Larger Network (Double Host Capacity)/3 Subnet (536,870,910 Usable Hosts)
Ultra-large multi-region aggregation block used for supernet routing and core backbones.
Smaller Network (Half Host Capacity) →/5 Subnet (134,217,726 Usable Hosts)
Regional cloud provider backbone allocation supernet.