With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
pnniMapNodeParentAtmAddress
pnni Map Node Parent Atm Address
1.3.6.1.4.1.353.5.4.1.1.15.1.12
When the originating node is a peer group leader, indicates the ATM address of the parent LGN. If the originating node is not peer group leader of its peer group, this attribute's value is set to (all) zero(s).
Back to PNNI-MIB MIB page.
IPHost Network monitor allows you to monitor pnniMapNodeParentAtmAddress on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco wireless switches right now.