We've done some more poking around on our side and found some potentially useful information. The info below seems to be outputting the attached clients of an Aruba AP and their IP (less interesting).
snmpwalk -v2c -c COMMUNITY AP-IPADDR 1.3.6.1.4.1.14823.2.3.3.1.2.4.1.3
iso.3.6.1.4.1.14823.2.3.3.1.2.4.1.3.40.107.53.145.139.121 = IpAddress: 10.33.x.x
iso.3.6.1.4.1.14823.2.3.3.1.2.4.1.3.40.107.53.146.232.22 = IpAddress: 10.33.x.x
iso.3.6.1.4.1.14823.2.3.3.1.2.4.1.3.68.229.23.76.148.121 = IpAddress: 10.33.x.x
iso.3.6.1.4.1.14823.2.3.3.1.2.4.1.3.94.252.68.9.156.210 = IpAddress: 192.168.144.x
iso.3.6.1.4.1.14823.2.3.3.1.2.4.1.3.126.176.3.156.197.134 = IpAddress: 192.168.144.x
iso.3.6.1.4.1.14823.2.3.3.1.2.4.1.3.134.145.158.64.222.142 = IpAddress: 192.168.144.x
iso.3.6.1.4.1.14823.2.3.3.1.2.4.1.3.136.102.90.53.80.209 = IpAddress: 10.33.x.x
iso.3.6.1.4.1.14823.2.3.3.1.2.4.1.3.140.133.144.61.51.187 = IpAddress: 10.33.x.x
iso.3.6.1.4.1.14823.2.3.3.1.2.4.1.3.154.238.15.239.179.63 = IpAddress: 10.33.x.x
iso.3.6.1.4.1.14823.2.3.3.1.2.4.1.3.174.21.167.213.35.5 = IpAddress: 192.168.144.x
iso.3.6.1.4.1.14823.2.3.3.1.2.4.1.3.202.91.252.149.172.238 = IpAddress: 192.168.144.x
iso.3.6.1.4.1.14823.2.3.3.1.2.4.1.3.238.88.194.127.96.74 = IpAddress: 192.168.144.x
iso.3.6.1.4.1.14823.2.3.3.1.2.4.1.3.246.127.69.228.222.161 = IpAddress: 192.168.144.x
We've done some more poking around on our side and found some potentially useful information. The info below seems to be outputting the attached clients of an Aruba AP and their IP (less interesting).
snmpwalk -v2c -c COMMUNITY AP-IPADDR 1.3.6.1.4.1.14823.2.3.3.1.2.4.1.3
iso.3.6.1.4.1.14823.2.3.3.1.2.4.1.3.40.107.53.145.139.121 = IpAddress: 10.33.x.x
iso.3.6.1.4.1.14823.2.3.3.1.2.4.1.3.40.107.53.146.232.22 = IpAddress: 10.33.x.x
iso.3.6.1.4.1.14823.2.3.3.1.2.4.1.3.68.229.23.76.148.121 = IpAddress: 10.33.x.x
iso.3.6.1.4.1.14823.2.3.3.1.2.4.1.3.94.252.68.9.156.210 = IpAddress: 192.168.144.x
iso.3.6.1.4.1.14823.2.3.3.1.2.4.1.3.126.176.3.156.197.134 = IpAddress: 192.168.144.x
iso.3.6.1.4.1.14823.2.3.3.1.2.4.1.3.134.145.158.64.222.142 = IpAddress: 192.168.144.x
iso.3.6.1.4.1.14823.2.3.3.1.2.4.1.3.136.102.90.53.80.209 = IpAddress: 10.33.x.x
iso.3.6.1.4.1.14823.2.3.3.1.2.4.1.3.140.133.144.61.51.187 = IpAddress: 10.33.x.x
iso.3.6.1.4.1.14823.2.3.3.1.2.4.1.3.154.238.15.239.179.63 = IpAddress: 10.33.x.x
iso.3.6.1.4.1.14823.2.3.3.1.2.4.1.3.174.21.167.213.35.5 = IpAddress: 192.168.144.x
iso.3.6.1.4.1.14823.2.3.3.1.2.4.1.3.202.91.252.149.172.238 = IpAddress: 192.168.144.x
iso.3.6.1.4.1.14823.2.3.3.1.2.4.1.3.238.88.194.127.96.74 = IpAddress: 192.168.144.x
iso.3.6.1.4.1.14823.2.3.3.1.2.4.1.3.246.127.69.228.222.161 = IpAddress: 192.168.144.x