Robtex

Up: 120.31.48.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 120.31.52.0/23
Down right: 120.31.54.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
120.31.52.5	PTR	kerui6.dns21.org
120.31.52.5	A	huaran88.com
120.31.52.5	A	yueditui.com
120.31.52.8	A	cctvzgzz.com
120.31.52.20	PTR	gxxunjie.dns21.org
120.31.52.20	A	gzsxglzx.com
120.31.52.20	A	gzfsqy.com
120.31.52.26	A	www.shuangweicn.com
120.31.52.29	PTR	ygth29.dns21.org
120.31.52.29	A	rt12530.com
120.31.52.29	A	uuhope.com
120.31.52.40	PTR	shidaihulian5.dns21.org
120.31.52.40	A	mahasola.com
120.31.52.40	A	hl-wl.com
120.31.52.70	A	xn--9kq08tvslmlat19duue2ol.cn
120.31.52.70	A	xn--9kq08tr8i2ycn83auue2ol.cn
120.31.52.70	A	hanjren.net
120.31.52.77	PTR	ns2.eflydns.net
120.31.52.77	PTR	ns1.eflydns.net
120.31.52.77	A	dvrmsn.com
120.31.52.79	A	tuangoutaobao.cn
120.31.52.79	A	ycbo.cn
120.31.52.153	PTR	ns1.eflydns.net
120.31.52.153	PTR	ns2.eflydns.net
120.31.53.74	PTR	mycc.dns21.org
120.31.53.78	PTR	ns1.eflydns.net
120.31.53.78	PTR	ns2.eflydns.net
120.31.53.114	PTR	14688.dns21.org
120.31.53.114	A	14688.com
120.31.53.115	A	www.saipu.cc
120.31.53.125	PTR	gzjiantang.dns21.org
120.31.53.135	PTR	ns1.eflydns.net
120.31.53.135	PTR	ns2.eflydns.net
120.31.53.135	A	xhjt0086.com
120.31.54.187	PTR	hello.network
120.31.54.197	A	duolimi.net
120.31.54.198	PTR	ns1.eflydns.net
120.31.54.198	PTR	ns2.eflydns.net
120.31.54.201	PTR	hello.network
120.31.54.201	A	video-www.job-sky.com
120.31.54.201	A	led-job.com
120.31.54.206	A	foaogroup.com
120.31.55.88	PTR	ns1.eflydns.net
120.31.55.88	PTR	ns2.eflydns.net
120.31.55.222	A	uk2china.com
120.31.55.222	A	www.uk2china.com
120.31.55.240	A	memall360.com
120.31.55.240	A	qiyeall.com
120.31.55.253	PTR	ns2.eflydns.net
120.31.55.253	PTR	ns1.eflydns.net
120.31.55.253	A	yikuaifei.com