if !isReady(serviceCIDR) || !serviceCIDR.DeletionTimestamp.IsZero() {
			ready = false
		}

		for _, cidr := range serviceCIDR.Spec.CIDRs {
			if c.ipFamily == api.IPFamily(convertToV1IPFamily(netutils.IPFamilyOfCIDRString(cidr))) {
				cidrsSet.Insert(cidr)
				cidrReady[cidr] = ready
			}
		}
	}

	// obtain the existing allocators and set the existing state
	treeSet := sets.New[string]()
	c.muTree.Lock()

	for _, cidr := range serviceCIDR.Spec.CIDRs {
		// get all the IPv4 addresses
		ipLabelSelector := labels.Set(map[string]string{
			networkingapiv1alpha1.LabelIPAddressFamily: string(convertToV1IPFamily(netutils.IPFamilyOfCIDRString(cidr))),
			networkingapiv1alpha1.LabelManagedBy:       ipallocator.ControllerName,
		}).AsSelectorPreValidated()
		ips, err := c.ipAddressLister.List(ipLabelSelector)
		if err != nil {
			return false, err

func badCIDRs(cidrs []string, wrongFamily netutils.IPFamily) bool {
	if len(cidrs) == 0 {
		return false
	}
	for _, cidr := range cidrs {
		if netutils.IPFamilyOfCIDRString(cidr) != wrongFamily {
			return false
		}
	}
	return true
}

// badBindAddress returns true if bindAddress is an "IP:port" string where IP is a
// non-zero IP of wrongFamily.