find the IP's on the sever

Hi ,
I am working on AIx server which is connected to another network which is a stock market via leased line ,

From my side I connect to the server locally but what i need is to know the ip whic the server connect to the stock market how I can Know this ????

Thanks

Not sure how your connectivity works but

(a) arp can be used to find locally known IP addresses

(b) "netstat -a" will list all active IP connections and endpoints