Robtex

Up: 202.120.224.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 202.120.224.0/25
Down right: 202.120.224.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
202.120.224.0	PTR	224.fudan.edu.cn
202.120.224.5	PTR	www.fudan.edu.cn
202.120.224.5	A	news.fudan.edu.cn
202.120.224.6	PTR	ns.fudan.edu.cn
202.120.224.6	A	ns1.fudan.edu.cn
202.120.224.6	A	ns.fudan.cn
202.120.224.10	A+PTR	mail.fudan.edu.cn
202.120.224.10	A	shmu.cn
202.120.224.10	A	shmu.edu.cn
202.120.224.14	A	uis.fudan.edu.cn
202.120.224.15	A	uis.fudan.edu.cn
202.120.224.18	PTR	nat.fudan.edu.cn
202.120.224.23	PTR	cisco-fudan.fudan.edu.cn
202.120.224.26	A+PTR	ns.fudan.edu.cn
202.120.224.26	A	ns.fudan.cn
202.120.224.42	PTR	224.fudan.edu.cn
202.120.224.54	PTR	nat.fudan.edu.cn
202.120.224.58	PTR	nat.fudan.edu.cn
202.120.224.73	PTR	224.fudan.edu.cn
202.120.224.73	A	mail.fudan.edu.cn
202.120.224.81	PTR	224.fudan.edu.cn
202.120.224.81	A	fudan.edu.cn
202.120.224.82	A	s3.fudan.edu.cn
202.120.224.82	A	elearning.fudan.edu.cn
202.120.224.83	PTR	224.fudan.edu.cn
202.120.224.83	A	mse.fudan.edu.cn
202.120.224.83	A	math.fudan.edu.cn
202.120.224.111	A	ehall.fudan.edu.cn
202.120.224.112	PTR	mail.alu.fudan.edu.cn
202.120.224.114	PTR	224.fudan.edu.cn
202.120.224.114	A	mse.fudan.edu.cn
202.120.224.114	A	www.software.fudan.edu.cn
202.120.224.115	PTR	224.fudan.edu.cn
202.120.224.115	A	news.fudan.edu.cn
202.120.224.115	A	fudan.edu.cn
202.120.224.116	A	canvas-production.s3.fudan.edu.cn
202.120.224.116	A	canvas-production-assets.s3.fudan.edu.cn
202.120.224.134	A+PTR	gateway.fudan.edu.cn
202.120.224.134	A	gateway.fudan.cn
202.120.224.134	A	gateway.fudan.sh.cn
202.120.224.199	PTR	jinchb.fudan.edu.cn
202.120.224.199	A	jpkc.fudan.edu.cn
202.120.224.201	A	ylx.fudan.edu.cn
202.120.224.241	PTR	224.fudan.edu.cn