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**To disassociate an IPv6 CIDR block from a VPC**
This example disassociates an IPv6 CIDR block from a VPC using the association ID for the CIDR block.
Command::
aws ec2 disassociate-vpc-cidr-block --association-id vpc-cidr-assoc-eca54085
Output::
{
"Ipv6CidrBlockAssociation": {
"Ipv6CidrBlock": "2001:db8:1234:1a00::/56",
"AssociationId": "vpc-cidr-assoc-eca54085",
"Ipv6CidrBlockState": {
"State": "disassociating"
}
},
"VpcId": "vpc-a034d6c4"
}
**To disassociate an IPv4 CIDR block from a VPC**
This example disassociates an IPv4 CIDR block from a VPC.
Command::
aws ec2 disassociate-vpc-cidr-block --association-id vpc-cidr-assoc-0287ac6b
Output::
{
"CidrBlockAssociation": {
"AssociationId": "vpc-cidr-assoc-0287ac6b",
"CidrBlock": "172.18.0.0/16",
"CidrBlockState": {
"State": "disassociating"
}
},
"VpcId": "vpc-27621243"
}