With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
bgp4PathAttrAggregatorAddr
bgp4 Path Attribute Aggregator Address
1.3.6.1.2.1.15.6.1.11
The IP address of the last BGP4 speaker that performed route aggregation. A value of 0.0.0.0 indicates the absence of this attribute.
Back to BGP4-MIB MIB page.
IPHost Network monitor allows you to monitor bgp4PathAttrAggregatorAddr on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.