Robtex

Up: 59.69.192.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 59.69.208.0/21
Down right: 59.69.216.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
59.69.208.6	PTR	art.peczzu.edu.cn
59.69.208.6	PTR	bwc.peczzu.edu.cn
59.69.208.6	A+PTR	db.peczzu.edu.cn
59.69.208.10	PTR	mail.peczzu.edu.cn
59.69.223.246	A+PTR	dns.peczzu.edu.cn