Robtex

Up: 112.73.0.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 112.73.0.0/25
Down right: 112.73.0.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
112.73.0.0	PTR	hello.network
112.73.0.3	A	image-yun.duoyi.com.dycdn.com
112.73.0.5	PTR	hello.network
112.73.0.5	A	duoyimail.com
112.73.0.5	A	mail.duoyimail.com
112.73.0.6	A+PTR	mail.duoyimail.com
112.73.0.6	A	duoyimail.com
112.73.0.12	PTR	hello.network
112.73.0.12	A	dyupdate.duoyi.com.dycdn.com
112.73.0.12	A	wzupdate.duoyi.com.dycdn.com
112.73.0.15	A	im.2980.com.dycdn.com
112.73.0.18	A	www.tj-gmzx.com
112.73.0.19	A	ls1-yun.duoyi.com.dycdn.com
112.73.0.19	A	www.multi-www.shandongweichai.net
112.73.0.19	A	a17-112-152-www.shandongweichai.net
112.73.0.21	A	image2-yun.duoyi.com.dycdn.com
112.73.0.22	PTR	hello.network
112.73.0.22	A	user.51sole.com
112.73.0.22	A	image3-yun.duoyi.com.dycdn.com
112.73.0.23	A	gamesfw.com
112.73.0.23	A	0086dai.com
112.73.0.23	A	hongjiaan.com
112.73.0.27	PTR	hello.network
112.73.0.27	A	guangsuxiazai.com
112.73.0.27	A	mx.ssgh56.com
112.73.0.28	A	img9-pim.duoyi.com.dycdn.com
112.73.0.28	A	img10-pim.duoyi.com.dycdn.com
112.73.0.28	A	img8-pim.duoyi.com.dycdn.com
112.73.0.29	A	www.bjbj888.com
112.73.0.32	PTR	hello.network
112.73.0.34	PTR	hello.network
112.73.0.66	PTR	hello.network
112.73.0.66	A	mail.lajoin.com
112.73.0.87	PTR	ns1.eflydns.net
112.73.0.87	PTR	ns2.eflydns.net
112.73.0.87	A	oyecomwa.com
112.73.0.90	PTR	hello.network
112.73.0.91	A	dh.v.xelerate.net
112.73.0.92	PTR	ns1.eflydns.net
112.73.0.92	PTR	ns2.eflydns.net
112.73.0.101	A	baosurplus.com
112.73.0.101	A	jin10gd.com
112.73.0.102	A	21polestar.com
112.73.0.102	A	polestart21.com
112.73.0.103	A	yhjzclub.com
112.73.0.120	PTR	ns2.eflydns.net
112.73.0.120	PTR	ns1.eflydns.net