Robtex

Up: 203.203.120.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 203.203.124.0/23
Down right: 203.203.126.0/23

IP	Type	Hostname
203.203.125.18	A+PTR	host-203-203-125-18.dynamic.kbtelecom.net
203.203.125.52	PTR	host-203-203-125-52.dynamic.kbtelecom.net
203.203.125.85	A	host-203-203-125-85.dynamic.kbtelecom.net
203.203.125.159	PTR	host-203-203-125-159.dynamic.kbtelecom.net
203.203.125.236	A	host-203-203-125-236.dynamic.kbtelecom.net
203.203.126.204	A+PTR	host-203-203-126-204.dynamic.kbtelecom.net
203.203.127.255	A+PTR	host-203-203-127-255.dynamic.kbtelecom.net