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ServiceCIDR

ServiceCIDR defines a range of IP addresses using CIDR format (e.g. 192.168.0.0/24 or 2001:db2::/64). This range is used to allocate ClusterIPs to Service objects.

apiVersion: networking.k8s.io/v1

import "k8s.io/api/networking/v1"

ServiceCIDR

ServiceCIDR defines a range of IP addresses using CIDR format (e.g. 192.168.0.0/24 or 2001:db2::/64). This range is used to allocate ClusterIPs to Service objects.

Field Description
apiVersion
string
APIVersion defines the versioned schema of this representation of an object. Servers should convert recognized schemas to the latest internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources
kind
string
Kind is a string value representing the REST resource this object represents. Servers may infer this from the endpoint the client submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds
metadata
ObjectMeta
Standard object's metadata. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
spec
ServiceCIDRSpec
spec is the desired state of the ServiceCIDR. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#spec-and-status
status
ServiceCIDRStatus
status represents the current state of the ServiceCIDR. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#spec-and-status

ServiceCIDRSpec

ServiceCIDRSpec define the CIDRs the user wants to use for allocating ClusterIPs for Services.

Field Description
cidrs
string array
CIDRs defines the IP blocks in CIDR notation (e.g. "192.168.0.0/24" or "2001:db8::/64") from which to assign service cluster IPs. Max of two CIDRs is allowed, one of each IP family. This field is immutable.

ServiceCIDRStatus

ServiceCIDRStatus describes the current state of the ServiceCIDR.

Field Description
conditions
Condition array
patch strategy: merge on key type
conditions holds an array of metav1.Condition that describe the state of the ServiceCIDR. Current service state

ServiceCIDRList

ServiceCIDRList contains a list of ServiceCIDR objects.

Field Description
apiVersion
string
APIVersion defines the versioned schema of this representation of an object. Servers should convert recognized schemas to the latest internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources
items *
ServiceCIDR array
items is the list of ServiceCIDRs.
kind
string
Kind is a string value representing the REST resource this object represents. Servers may infer this from the endpoint the client submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds
metadata
ListMeta
Standard object's metadata. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata

© 2026 The Kubernetes Authors | Documentation Distributed under CC BY 4.0
Copyright © 2026 The Linux Foundation ®. All rights reserved.
https://kubernetes.io/docs/reference/kubernetes-api/networking/service-cidr-v1/

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