Robtex

Up: 203.237.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 203.237.128.0/20
Down right: 203.237.144.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.237.128.40	A	ns.dju.ac.kr
203.237.128.40	A	ns.dju.kr
203.237.128.40	A	ncss.dju.kr
203.237.128.42	A	pine.dju.ac.kr
203.237.128.71	A	hyehwadang.com
203.237.130.224	PTR	ip130224.dju.ac.kr
203.237.132.162	PTR	ip132162.dju.ac.kr
203.237.133.130	PTR	ip133130.dju.ac.kr
203.237.136.117	A	ip136117.dju.ac.kr
203.237.137.224	PTR	ip137224.dju.ac.kr
203.237.139.249	A	webmon.co.kr
203.237.140.164	A	ip140164.dju.ac.kr
203.237.140.166	A	ip140166.dju.ac.kr
203.237.140.221	A	ip140221.dju.ac.kr
203.237.140.222	A	ip140222.dju.ac.kr
203.237.141.72	A	ip141072.dju.ac.kr
203.237.141.92	A	ip141092.dju.ac.kr
203.237.143.14	PTR	ip143014.dju.ac.kr
203.237.147.161	PTR	ip147161.dju.ac.kr
203.237.149.192	PTR	ip149192.dju.ac.kr
203.237.151.16	A	derbydaysdash.com
203.237.151.30	A	ip151030.dju.ac.kr
203.237.152.66	PTR	ip152066.dju.ac.kr
203.237.154.33	PTR	ip154033.dju.ac.kr
203.237.154.65	PTR	ip154065.dju.ac.kr
203.237.154.98	PTR	ip154098.dju.ac.kr
203.237.154.128	PTR	ip154128.dju.ac.kr
203.237.154.129	PTR	ip154129.dju.ac.kr
203.237.154.192	PTR	ip154192.dju.ac.kr
203.237.154.227	PTR	ip154227.dju.ac.kr
203.237.155.64	PTR	ip155064.dju.ac.kr
203.237.155.96	PTR	ip155096.dju.ac.kr
203.237.155.130	PTR	ip155130.dju.ac.kr
203.237.155.161	PTR	ip155161.dju.ac.kr
203.237.155.163	PTR	ip155163.dju.ac.kr
203.237.155.192	PTR	ip155192.dju.ac.kr
203.237.155.194	PTR	ip155194.dju.ac.kr
203.237.156.11	PTR	ip156011.dju.ac.kr
203.237.156.33	PTR	ip156033.dju.ac.kr
203.237.156.65	PTR	ip156065.dju.ac.kr
203.237.156.66	PTR	ip156066.dju.ac.kr
203.237.156.99	PTR	ip156099.dju.ac.kr
203.237.156.130	PTR	ip156130.dju.ac.kr
203.237.156.193	PTR	ip156193.dju.ac.kr
203.237.157.65	PTR	ip157065.dju.ac.kr
203.237.157.98	PTR	ip157098.dju.ac.kr
203.237.157.128	PTR	ip157128.dju.ac.kr
203.237.157.162	PTR	ip157162.dju.ac.kr
203.237.157.192	PTR	ip157192.dju.ac.kr
203.237.157.224	PTR	ip157224.dju.ac.kr
203.237.158.96	PTR	ip158096.dju.ac.kr
203.237.158.98	PTR	ip158098.dju.ac.kr
203.237.158.192	PTR	ip158192.dju.ac.kr
203.237.158.195	PTR	ip158195.dju.ac.kr
203.237.158.226	PTR	ip158226.dju.ac.kr
203.237.159.9	A	e500.djumc.or.kr
203.237.159.11	PTR	ip159011.dju.ac.kr
203.237.159.11	A	ns.djumc.kr
203.237.159.11	A	ns.djudj.or.kr
203.237.159.12	PTR	ip159012.dju.ac.kr
203.237.159.32	PTR	ip159032.dju.ac.kr
203.237.159.34	PTR	ip159034.dju.ac.kr
203.237.159.35	PTR	ip159035.dju.ac.kr
203.237.159.44	A	djumc.or.kr
203.237.159.44	A	djumc.kr
203.237.159.64	PTR	ip159064.dju.ac.kr
203.237.159.65	PTR	ip159065.dju.ac.kr
203.237.159.66	PTR	ip159066.dju.ac.kr
203.237.159.99	PTR	ip159099.dju.ac.kr
203.237.159.195	PTR	ip159195.dju.ac.kr
203.237.159.224	PTR	ip159224.dju.ac.kr