just resolve the ip to an address, edit your hosts file like this:
192.168.0.10 CSP1.web
192.168.0.10 CSP2.web
192.168.0.10 CSP3.web
then change to:
CSP1.web:12111
CSP2.web:12121
CSP3.web:12131
instead of:
192.168.0.10:12111
192.168.0.10:12121
192.168.0.10:12131
and you will get rid of the error