public String getMembershipPortRange() {
    return agentConfig.getMembershipPortRange();
  }
Gets the membership UDP port range in the distributed system that this Agent is monitoring.
<p>
This range is given as two numbers separated by a minus sign like "min-max"

@return membership UDP port range
geode-core/src/main/java/org/apache/geode/admin/jmx/internal/AgentImpl.java