With IPHost Network Monitor you can run simple snmp requests against a HP device in your network.
slipRemoteAddress
slip Remote Address
1.3.6.1.4.1.11.2.3.9.3.1.2.15
The address used for the remote (host) end end of the SLIP connection.
Back to hp-700rx MIB page.
IPHost Network monitor allows you to monitor slipRemoteAddress on Hewlett Packard device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.