tc := v.CustomMatch.GetTypedConfig()
		switch tc.TypeUrl {
		case IPMatcher:
			ip := protoconv.SilentlyUnmarshalAny[matcher.IPMatcher](tc)
			m = map[string]*matcher.Matcher_OnMatch{}
			for _, rm := range ip.GetRangeMatchers() {
				for _, r := range rm.Ranges {
					cidr := r.AddressPrefix
					pl := r.PrefixLen.GetValue()
					if pl != 32 && pl != 128 {
						cidr += fmt.Sprintf("/%d", pl)
					}
					m[cidr] = rm.OnMatch