Robtex

Up: 202.117.192.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 202.117.200.0/22
Down right: 202.117.204.0/22

IP	Type	Hostname
202.117.200.8	PTR	200h8.xjtu.edu.cn
202.117.200.19	PTR	200h19.xjtu.edu.cn
202.117.200.26	PTR	200h26.xjtu.edu.cn
202.117.200.27	PTR	200h27.xjtu.edu.cn
202.117.200.32	PTR	200h32.xjtu.edu.cn
202.117.200.51	PTR	200h51.xjtu.edu.cn
202.117.200.59	PTR	200h59.xjtu.edu.cn
202.117.200.66	PTR	200h66.xjtu.edu.cn
202.117.200.81	PTR	200h81.xjtu.edu.cn
202.117.200.88	PTR	200h88.xjtu.edu.cn
202.117.200.98	PTR	200h98.xjtu.edu.cn
202.117.200.105	PTR	200h105.xjtu.edu.cn
202.117.200.107	PTR	200h107.xjtu.edu.cn
202.117.200.113	PTR	200h113.xjtu.edu.cn
202.117.200.115	PTR	200h115.xjtu.edu.cn
202.117.200.120	PTR	200h120.xjtu.edu.cn
202.117.200.121	PTR	200h121.xjtu.edu.cn
202.117.200.145	PTR	200h145.xjtu.edu.cn
202.117.200.146	PTR	200h146.xjtu.edu.cn
202.117.200.154	PTR	200h154.xjtu.edu.cn
202.117.200.168	PTR	200h168.xjtu.edu.cn
202.117.200.171	PTR	200h171.xjtu.edu.cn
202.117.200.179	PTR	200h179.xjtu.edu.cn
202.117.200.187	PTR	200h187.xjtu.edu.cn
202.117.200.209	PTR	200h209.xjtu.edu.cn
202.117.200.210	PTR	200h210.xjtu.edu.cn
202.117.200.217	PTR	200h217.xjtu.edu.cn
202.117.200.219	PTR	200h219.xjtu.edu.cn
202.117.200.225	PTR	200h225.xjtu.edu.cn
202.117.200.226	PTR	200h226.xjtu.edu.cn
202.117.200.232	PTR	200h232.xjtu.edu.cn
202.117.203.243	A	mail.godsand.com
202.117.203.243	A	fsbuc.com
202.117.203.244	A	www.eccn.net.cn
202.117.203.244	A	eccn.net.cn
202.117.203.250	PTR	203h250.xjtu.edu.cn