Robtex

Up: 123.103.4.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 123.103.6.0/24
Down right: 123.103.7.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
123.103.6.12	PTR	123.103.6.12-bj-cnc
123.103.6.12	A	www.beifabook.com
123.103.6.17	PTR	123.103.6.17-bj-cnc
123.103.6.17	A	beifabook.com
123.103.6.17	A	mail.beifabook.com
123.103.6.21	A	www.yycbook.com
123.103.6.21	A	yycbook.com
123.103.6.22	PTR	123.103.6.22-bj-cnc
123.103.6.22	A	www.zgcbb.com
123.103.6.22	A	zgcbb.com
123.103.6.23	PTR	123.103.6.23-bj-cnc
123.103.6.24	PTR	123.103.6.24-bj-cnc
123.103.6.24	A	xhsdls.com.cn
123.103.6.24	A	bjpd.com.cn
123.103.6.25	PTR	123.103.6.25-bj-cnc
123.103.6.25	A	*.bjbb.com
123.103.6.27	PTR	123.103.6.27-bj-cnc
123.103.6.27	A	www.cw-book.com
123.103.6.27	A	hs-book.com
123.103.6.28	A	www.ipzhh.com
123.103.6.79	PTR	123.103.6.79-bj-cnc
123.103.6.81	PTR	123.103.6.81-bj-cnc
123.103.6.93	PTR	123.103.6.93-bj-cnc
123.103.6.98	PTR	123.103.6.98-bj-cnc
123.103.6.103	PTR	123.103.6.103-bj-cnc
123.103.6.105	PTR	123.103.6.105-bj-cnc
123.103.6.111	PTR	123.103.6.111-bj-cnc
123.103.6.111	A	henan.hteacher.net
123.103.6.111	A	fujian.hteacher.net
123.103.6.130	PTR	123.103.6.130-bj-cnc
123.103.6.132	PTR	123.103.6.132-bj-cnc
123.103.6.150	PTR	123.103.6.150-bj-cnc
123.103.6.151	PTR	123.103.6.151-bj-cnc
123.103.6.162	PTR	123.103.6.162-bj-cnc
123.103.6.165	PTR	123.103.6.165-bj-cnc
123.103.6.165	A	cnlp.synology.cn
123.103.6.166	PTR	123.103.6.166-bj-cnc
123.103.6.166	A	cnlp.synology.cn
123.103.6.167	PTR	123.103.6.167-bj-cnc
123.103.6.167	A	cnlp.synology.cn
123.103.6.174	PTR	123.103.6.174-bj-cnc
123.103.6.178	PTR	123.103.6.178-bj-cnc
123.103.6.188	A	luowanxiaoxue.com
123.103.6.188	A	fuxu.cn.quickconnect.to
123.103.6.188	A	xczoo.cn.quickconnect.to
123.103.6.189	A	fuxu.cn.quickconnect.to
123.103.6.189	A	xczoo.cn.quickconnect.to
123.103.6.189	A	hunrey.cn.quickconnect.to
123.103.6.191	PTR	123.103.6.191-bj-cnc
123.103.6.193	PTR	123.103.6.193-bj-cnc
123.103.6.194	PTR	123.103.6.194-bj-cnc
123.103.6.213	PTR	123.103.6.213-bj-cnc
123.103.6.221	PTR	123.103.6.221-bj-cnc
123.103.7.1	PTR	123.103.7.1-bj-cnc
123.103.7.18	A	mail.haihangyun-target-domain.com.cdngtm.com
123.103.7.18	A	mail.haihangyun.com
123.103.7.25	PTR	123.103.7.25-bj-cnc
123.103.7.33	PTR	123.103.7.33-bj-cnc
123.103.7.49	PTR	123.103.7.49-bj-cnc
123.103.7.51	PTR	123.103.7.51-bj-cnc
123.103.7.54	PTR	123.103.7.54-bj-cnc
123.103.7.54	A	www.gongxiaodaji.com
123.103.7.54	A	ccoop.com.cn
123.103.7.55	A	ccoopfs.com
123.103.7.57	PTR	123.103.7.57-bj-cnc
123.103.7.61	PTR	123.103.7.61-bj-cnc
123.103.7.74	PTR	123.103.7.74-bj-cnc
123.103.7.79	PTR	123.103.7.79-bj-cnc
123.103.7.87	PTR	123.103.7.87-bj-cnc
123.103.7.127	PTR	123.103.7.127-bj-cnc
123.103.7.133	PTR	123.103.7.133-bj-cnc
123.103.7.133	A	*.sharebank.net
123.103.7.133	A	www.sharebank.net
123.103.7.148	PTR	123.103.7.148-bj-cnc
123.103.7.176	A	mail.qunlixiandai.com
123.103.7.180	PTR	123.103.7.180-bj-cnc
123.103.7.180	A	ipaiworld.com
123.103.7.183	PTR	123.103.7.183-bj-cnc
123.103.7.183	A	exception-asia.com
123.103.7.183	A	exception-asia.net
123.103.7.199	PTR	123.103.7.199-bj-cnc