Robtex

Up: 211.68.224.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 211.68.240.0/21
Down right: 211.68.248.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
211.68.242.21	A+PTR	lib.tjau.edu.cn
211.68.242.21	A+PTR	library.tjau.edu.cn
211.68.250.11	A+PTR	dns.tjac.cn
211.68.250.11	A+PTR	dns.tjac.edu.cn
211.68.250.11	A+PTR	dns.tjau.edu.cn
211.68.250.12	A	mail.tjau.edu.cn
211.68.250.17	A+PTR	mail.tjau.cn
211.68.250.29	PTR	web5.tjac.edu.cn
211.68.250.29	A+PTR	web5.tjau.edu.cn
211.68.250.29	PTR	web5.tjac.cn
211.68.250.30	PTR	shuguang3.tjau.edu.cn
211.68.250.30	PTR	shuguang3.tjac.edu.cn
211.68.250.30	PTR	system.tjau.edu.cn
211.68.250.35	A	web6.tjau.edu.cn
211.68.250.35	A	web6.tjac.edu.cn
211.68.250.35	A	www.tjau.edu.cn
211.68.250.40	PTR	web.tjac.cn
211.68.250.40	A+PTR	web.tjau.cn
211.68.250.40	PTR	web.tjac.edu.cn
211.68.251.55	A	www.wsbs.tk