Robtex

Up: 61.145.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 61.145.0.0/20
Down right: 61.145.16.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
61.145.0.0	PTR	0.0.145.61.broad.jm.gd.dynamic.163data.com.cn
61.145.1.0	PTR	0.1.145.61.broad.jm.gd.dynamic.163data.com.cn
61.145.1.1	PTR	1.1.145.61.broad.jm.gd.dynamic.163data.com.cn
61.145.1.2	PTR	2.1.145.61.broad.jm.gd.dynamic.163data.com.cn
61.145.4.98	PTR	98.4.145.61.broad.jm.gd.dynamic.163data.com.cn
61.145.5.2	PTR	2.5.145.61.broad.jm.gd.dynamic.163data.com.cn
61.145.5.34	PTR	34.5.145.61.broad.jm.gd.dynamic.163data.com.cn
61.145.5.34	A	allseasonslighting.com
61.145.6.3	PTR	3.6.145.61.broad.jm.gd.dynamic.163data.com.cn
61.145.6.66	PTR	66.6.145.61.broad.jm.gd.dynamic.163data.com.cn
61.145.9.9	A	cha.gslb.vinda.com
61.145.9.24	PTR	mail.vinda.com
61.145.9.24	A	mail.gslb.vinda.com
61.145.9.33	A	wjxxg.cn
61.145.9.48	A	jmxhyz.cn
61.145.9.48	A	jmxhyz.com
61.145.9.57	PTR	jmrq.com
61.145.9.57	A+PTR	mail.jmrq.com
61.145.9.64	A	an-bang.com
61.145.9.75	A+PTR	eagleshoes.biz
61.145.9.75	PTR	eagleshoes.com.cn
61.145.9.75	A	mail.eagleshoes.biz
61.145.9.96	A	jcj.jmpj.gov.cn
61.145.9.96	A	pjq.gov.cn
61.145.9.96	A	www.pjq.gov.cn
61.145.9.106	PTR	mail.tayomotor.com
61.145.9.106	PTR	www.tayomotor.com
61.145.9.132	A	open.jmrb.com
61.145.9.133	A	www.gdfgx.com
61.145.9.133	A	hostmaster.jmrb.com
61.145.9.133	A	360.jmnews.com.cn
61.145.9.184	A	mail.jmsc.net.cn
61.145.9.184	A	dns.jmqdpa.org.cn
61.145.9.184	A	jmqdpa.org.cn
61.145.9.201	A+PTR	mail.ktcquality.com
61.145.9.201	A	imail.ktcquality.com
61.145.9.203	PTR	mail.ktcquality.com
61.145.10.12	A	mail.gzdianyi.com
61.145.10.43	A	anylove.com.cn
61.145.10.61	A	*.fm904.net
61.145.10.61	A	mail.fm904.net
61.145.10.241	A	anquandao.com
61.145.11.2	PTR	2.11.145.61.broad.jm.gd.dynamic.163data.com.cn
61.145.11.70	A	koken.com.cn
61.145.11.110	A	mail.jmico.com
61.145.11.177	A	m.lefok.com
61.145.11.177	A	jmtdc.hopto.org
61.145.14.33	PTR	33.14.145.61.broad.jm.gd.dynamic.163data.com.cn
61.145.14.226	PTR	226.14.145.61.broad.jm.gd.dynamic.163data.com.cn
61.145.15.2	PTR	2.15.145.61.broad.jm.gd.dynamic.163data.com.cn
61.145.16.2	PTR	2.16.145.61.broad.jm.gd.dynamic.163data.com.cn