quibble:/home/victorb# route add -net 192.168.1.0/24 gw 203.166.252.100
quibble:/home/victorb# ip route list
150.101.197.97 dev ppp0  proto kernel  scope link  src 59.167.247.164
192.168.1.0/24 via 203.166.252.100 dev ppp0
192.168.16.0/24 dev eth0  proto kernel  scope link  src 192.168.16.187
default dev ppp0  scope link
quibble:/home/victorb# ping 192.168.1.1
PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data.
From 150.101.120.110 icmp_seq=73 Destination Host Unreachable
From 150.101.120.110 icmp_seq=126 Destination Host Unreachable
From 150.101.120.110 icmp_seq=232 Destination Host Unreachable

--- 192.168.1.1 ping statistics ---
292 packets transmitted, 0 received, +3 errors, 100% packet loss, time 291006ms