Robtex

Up: 115.31.64.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 115.31.64.0/22
Down right: 115.31.68.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
115.31.65.6	A	data.oversea.cnki.net
115.31.65.6	A	cadt.cnki.net
115.31.65.6	A	ecsp.cnki.net
115.31.65.10	PTR	happycomm.65.31.115.in-addr.arpa
115.31.65.10	A	cnki.net
115.31.65.33	PTR	happycomm.65.31.115.in-addr.arpa
115.31.65.33	A	cn.oversea.cnki.net
115.31.65.33	A	tongji.oversea.cnki.net
115.31.66.3	PTR	happycomm.66.31.115.in-addr.arpa
115.31.66.6	A	rixin.net
115.31.67.148	A	mail.sinoglass.com