Robtex

Up: 202.206.224.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 202.206.240.0/21
Down right: 202.206.248.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
202.206.240.11	A	mail.ysu.edu.cn
202.206.240.12	A+PTR	ysudns1.ysu.edu.cn
202.206.240.13	A+PTR	ysudns2.ysu.edu.cn
202.206.240.14	A	ysu.edu.cn
202.206.240.25	A	league.ysu.edu.cn
202.206.240.25	A	ece.ysu.edu.cn
202.206.240.28	PTR	wenfa.ysu.edu.cn
202.206.240.34	A+PTR	ysunotice.ysu.edu.cn
202.206.240.34	A	xbskb.ysu.edu.cn
202.206.240.36	A+PTR	virtualhost.ysu.edu.cn
202.206.240.36	A	xszz.ysu.edu.cn
202.206.240.62	A	ece.ysu.edu.cn
202.206.240.62	A	gjhzc.ysu.edu.cn
202.206.240.62	A	art.ysu.edu.cn
202.206.240.67	A	110060.cn
202.206.240.95	A	qhdgem.cn
202.206.242.30	A	library.ysu.edu.cn
202.206.242.126	A	yandasteel.com
202.206.245.225	A+PTR	jwc.ysu.edu.cn
202.206.246.168	A	iee.ysu.edu.cn
202.206.248.30	A	hxb.ysu.edu.cn
202.206.253.123	A	elab.ysu.edu.cn
202.206.253.123	A	mec.ysu.edu.cn