With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cagwUserGrpDomainName
Cisco's ASN Gateway User Group Domain Name
1.3.6.1.4.1.9.9.638.1.3.4.1.1.1
Domain Name identifying a User Group.
Back to CISCO-ASN-GATEWAY-MIB MIB page.
IPHost Network monitor allows you to monitor cagwUserGrpDomainName 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.