With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cbgpPeer2RemoteAs
CISCO BGP4 Peer2 Remote Autonomous System
1.3.6.1.4.1.9.9.187.1.2.5.1.11
The remote autonomous system number received in the BGP OPEN message.
Back to CISCO-BGP4-MIB MIB page.
IPHost Network monitor allows you to monitor cbgpPeer2RemoteAs 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.