Robtex

Up: 103.31.8.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 103.31.8.0/23
Down right: 103.31.10.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
103.31.8.4	PTR	idc-4-8-31-103.gctech.hk
103.31.8.6	PTR	idc-6-8-31-103.gctech.hk
103.31.8.6	A	ka54.net
103.31.8.19	A	chinaeaststar.cn
103.31.8.19	A	lianninahong.com
103.31.8.42	PTR	idc-42-8-31-103.gctech.hk
103.31.8.51	PTR	idc-51-8-31-103.gctech.hk
103.31.8.52	PTR	idc-52-8-31-103.gctech.hk
103.31.8.84	A	www.dchtyn.com
103.31.8.103	PTR	idc-103-8-31-103.gctech.hk
103.31.8.103	A	ns1.k2004.com
103.31.8.107	A	cleam.cn
103.31.8.116	A	choicehalf.com
103.31.8.117	A	choiceluck.com
103.31.8.121	A	classicthing.com
103.31.8.126	A	enrichthing.com
103.31.8.132	A	gyjo.bjz68zq.com
103.31.8.143	A	selectthing.com
103.31.8.166	PTR	idc-166-8-31-103.gctech.hk
103.31.8.196	PTR	idc-196-8-31-103.gctech.hk
103.31.8.238	PTR	idc-238-8-31-103.gctech.hk
103.31.9.4	A	17wyx.cn
103.31.9.5	PTR	idc-5-9-31-103.gctech.hk
103.31.9.5	A	00002.cn
103.31.9.8	A	120sak.com
103.31.9.11	A	fushiji.com
103.31.9.12	A	58lw.com
103.31.9.13	A	mitian.net
103.31.9.15	A	nz28.com
103.31.9.19	A	mx2.simplyside.com
103.31.9.21	A	jinzhihuan.com
103.31.9.24	A	655433.com
103.31.9.29	A	51gouxie.com
103.31.9.30	A	kuaijiao.cn
103.31.9.31	A	589wan.com
103.31.9.36	A	55etao.com
103.31.9.38	PTR	idc-38-9-31-103.gctech.hk
103.31.9.38	A	1cui.cn
103.31.9.55	A	400688888.com
103.31.9.56	A	40099999.com
103.31.9.65	A	guojiyuan.com
103.31.9.66	A	menmenwang.com
103.31.9.67	PTR	idc-67-9-31-103.gctech.hk
103.31.9.67	A	xunkao.net
103.31.9.68	A	yibudu.cn
103.31.9.76	PTR	idc-76-9-31-103.gctech.hk
103.31.9.76	A	idcws.com
103.31.9.76	A	christabelng.com
103.31.9.81	PTR	idc-81-9-31-103.gctech.hk
103.31.9.83	PTR	idc-83-9-31-103.gctech.hk
103.31.9.83	A	9919.com.cn
103.31.9.87	A	987880.com
103.31.9.89	A	883179.com
103.31.9.90	A	185180.com
103.31.9.91	A	331622.com
103.31.9.92	A	789805.com
103.31.9.93	A	www.guojianguang.com
103.31.9.93	A	cazhe.com
103.31.9.95	A	51aoyou.net
103.31.9.96	A	rushuan.com
103.31.9.100	A	67222.cn
103.31.9.117	A	xinweiquan.com
103.31.9.242	PTR	idc-242-9-31-103.gctech.hk
103.31.9.242	A	www.m1921.com
103.31.9.242	A	myhoo.cn
103.31.10.18	PTR	idc-18-10-31-103.gctech.hk
103.31.10.133	PTR	idc-133-10-31-103.gctech.hk
103.31.10.180	A	60333.pw
103.31.11.100	PTR	idc-100-11-31-103.gctech.hk
103.31.11.100	A	*.bet181.com
103.31.11.100	A	bet181.com
103.31.11.134	A	www.hsjs.com.cn