AWS VPC planner

Plan address space, configure routes, and generate Terraform.

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VPC address space

Set the boundary for your subnets.

IPv4

Changing this range reallocates all subnet addresses.

Address range10.1.0.0 to 10.1.255.255
Total addresses65,536
Unallocated53,248
Planning to peer this VPC?Check address space for future VPC connections.

Subnet layout

Set the ranges and sizes for each subnet.

Subnet 1 is the public edge subnet for the NAT Gateway. Remaining subnets use the private route table.

Public / NAT
4,091usable IPs
Private
4,091usable IPs
Private
4,091usable IPs

Tip: a /20 has 4,096 addresses and starts on 16-address boundaries in the third octet: 10.1.0.0/20, 10.1.16.0/20, 10.1.32.0/20.

Address allocation

A proportional view of your allocation
10.1.0.010.1.255.255
Freesubnet-01subnet-02subnet-03