Robtex

Up: 203.203.64.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 203.203.80.0/21
Down right: 203.203.88.0/21

IP	Type	Hostname
203.203.80.166	A	host-203-203-80-166.dynamic.kbtelecom.net
203.203.83.227	A	203-203-83-227.cable.dynamic.giga.net.tw
203.203.84.175	A	host-203-203-84-175.dynamic.kbtelecom.net
203.203.84.176	PTR	host-203-203-84-176.dynamic.kbtelecom.net
203.203.84.225	PTR	host-203-203-84-225.dynamic.kbtelecom.net
203.203.84.236	A	host-203-203-84-236.dynamic.kbtelecom.net
203.203.85.3	PTR	host-203-203-85-3.dynamic.kbtelecom.net
203.203.85.9	A	host-203-203-85-9.dynamic.kbtelecom.net
203.203.85.140	A	host-203-203-85-140.dynamic.kbtelecom.net
203.203.91.119	A	host-203-203-91-119.dynamic.kbtelecom.net
203.203.91.157	A	host-203-203-91-157.dynamic.kbtelecom.net
203.203.93.20	A	host-203-203-93-20.dynamic.kbtelecom.net
203.203.93.25	A	host-203-203-93-25.dynamic.kbtelecom.net
203.203.93.29	A	host-203-203-93-29.dynamic.kbtelecom.net
203.203.93.41	A	host-203-203-93-41.dynamic.kbtelecom.net
203.203.93.42	A	host-203-203-93-42.dynamic.kbtelecom.net
203.203.93.50	PTR	host-203-203-93-50.dynamic.kbtelecom.net
203.203.93.63	A	host-203-203-93-63.dynamic.kbtelecom.net
203.203.93.68	A	host-203-203-93-68.dynamic.kbtelecom.net
203.203.93.72	A	host-203-203-93-72.dynamic.kbtelecom.net
203.203.93.102	A	host-203-203-93-102.dynamic.kbtelecom.net
203.203.93.118	A	host-203-203-93-118.dynamic.kbtelecom.net
203.203.93.145	PTR	host-203-203-93-145.dynamic.kbtelecom.net
203.203.93.193	A	host-203-203-93-193.dynamic.kbtelecom.net
203.203.93.225	A+PTR	host-203-203-93-225.dynamic.kbtelecom.net
203.203.93.229	A	host-203-203-93-229.dynamic.kbtelecom.net
203.203.93.238	A	host-203-203-93-238.dynamic.kbtelecom.net
203.203.93.245	A	host-203-203-93-245.dynamic.kbtelecom.net
203.203.93.250	A	host-203-203-93-250.dynamic.kbtelecom.net
203.203.95.12	A	host-203-203-95-12.dynamic.kbtelecom.net
203.203.95.76	A	host-203-203-95-76.dynamic.kbtelecom.net