ec2:AssociateSubnetCidrBlock

Write

ec2:AssociateSubnetCidrBlock is a Write access-level action in the ec2 service. Grants permission to associate a CIDR block with a subnet

Resource types

ARNs that ec2:AssociateSubnetCidrBlock can be scoped to in an IAM policy.

arn:${Partition}:ec2:${Region}:${Account}:subnet/${SubnetId}
subnet
arn:${Partition}:ec2::${Account}:ipam-pool/${IpamPoolId}
ipam-pool

Condition keys

Keys you can use in the Condition block of a policy that grants ec2:AssociateSubnetCidrBlock.

aws:RequestTag/${TagKey} String

Filters access by a tag key and value pair that is allowed in the request

aws:ResourceTag/${TagKey} String

Filters access by a tag key and value pair of a resource

aws:TagKeys ArrayOfString

Filters access by a list of tag keys that are allowed in the request

ec2:Attribute String

Filters access by an attribute of a resource

ec2:Attribute/${AttributeName} String

Filters access by an attribute being set on a resource

ec2:AvailabilityZone String

Filters access by the name of an Availability Zone in an AWS Region

ec2:AvailabilityZoneId String

Filters access by the ID of an Availability Zone in an AWS Region

ec2:Region String

Filters access by the name of the AWS Region

ec2:ResourceTag/${TagKey} String

Filters access by a tag key and value pair of a resource

ec2:Ipv4IpamPoolId String

Filters access by the ID of an IPAM pool provided for IPv4 CIDR block allocation

ec2:Ipv6IpamPoolId String

Filters access by the ID of an IPAM pool provided for IPv6 CIDR block allocation

ec2:IsLaunchTemplateResource Bool

Filters access by whether users are able to override resources that are specified in the launch template

ec2:SubnetID String

Filters access by the ID of a subnet

ec2:LaunchTemplate ARN

Filters access by the ARN of a launch template

ec2:Vpc ARN

Filters access by the ARN of the VPC

Example IAM policy

A minimal policy that allows ec2:AssociateSubnetCidrBlock. Replace "Resource": "*" with a specific ARN to follow least privilege.

{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Sid": "AllowEc2AssociateSubnetCidrBlock",
      "Effect": "Allow",
      "Action": "ec2:AssociateSubnetCidrBlock",
      "Resource": "*"
    }
  ]
}

Related actions in ec2

View all ec2 actions →