Old IP:        10.1.1.5 ... New IP:        10.1.1.6
Old IP:        10.1.1.6 ... New IP:        10.1.1.5
Old IP:      172.16.0.0 ... New IP:  172.15.255.255
Old IP:   192.168.33.17 ... New IP:   192.168.33.18
Error: 192.168.331.54 is not a valid IPv4 address
Old IP:   192.168.33.74 ... New IP:   192.168.33.73
Old IP:  172.16.204.255 ... New IP:    172.16.205.0
Old IP:         0.0.0.0 ... New IP: 255.255.255.255
Old IP: 255.255.255.255 ... New IP:         0.0.0.0
Old IP:    10.1.255.255 ... New IP:        10.2.0.0