With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cgprsAccPtIpv6AddrAllocations
Cisco GPRS Access Point Ipv6 Address Allocations
1.3.6.1.4.1.9.9.183.1.1.9.1.1.16
This object indicates the total number of IPv6 addresses currently allocated to user.
Back to CISCO-GPRS-ACC-PT-MIB MIB page.
IPHost Network monitor allows you to monitor cgprsAccPtIpv6AddrAllocations on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.