code: public java.util.List<IpRoute> getIpRoutes() {
          if (ipRoutes == null) {
              ipRoutes = new com.amazonaws.internal.SdkInternalList<IpRoute>();
          }
          return ipRoutes;
      }
docs: <p>
  IP address blocks, using CIDR format, of the traffic to route. This is often the IP address block of the DNS
  server used for your on-premises domain.
  </p>
  
  @return IP address blocks, using CIDR format, of the traffic to route. This is often the IP address block of the
  DNS server used for your on-premises domain.