With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cgrtRouteMask
Cisco IP Transfer Point GRT Route Mask
1.3.6.1.4.1.9.9.334.1.2.3.1.2
The mask used to define which part of cgrtRouteDpc is significant when comparing the cgrtRouteDpc to the destination code point in the packet to be routed.
Back to CISCO-ITP-GRT-MIB MIB page.
IPHost Network monitor allows you to monitor cgrtRouteMask 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.