Robtex

Up: 61.140.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 61.140.32.0/20
Down right: 61.140.48.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
61.140.36.1	PTR	1.36.140.61.broad.gz.gd.dynamic.163data.com.cn
61.140.36.35	PTR	35.36.140.61.broad.gz.gd.dynamic.163data.com.cn
61.140.36.64	PTR	64.36.140.61.broad.gz.gd.dynamic.163data.com.cn
61.140.36.67	PTR	67.36.140.61.broad.gz.gd.dynamic.163data.com.cn
61.140.36.97	PTR	97.36.140.61.broad.gz.gd.dynamic.163data.com.cn
61.140.36.98	PTR	98.36.140.61.broad.gz.gd.dynamic.163data.com.cn
61.140.36.128	PTR	128.36.140.61.broad.gz.gd.dynamic.163data.com.cn
61.140.36.163	PTR	163.36.140.61.broad.gz.gd.dynamic.163data.com.cn
61.140.36.195	PTR	195.36.140.61.broad.gz.gd.dynamic.163data.com.cn
61.140.36.227	PTR	227.36.140.61.broad.gz.gd.dynamic.163data.com.cn
61.140.38.1	PTR	1.38.140.61.broad.gz.gd.dynamic.163data.com.cn
61.140.38.4	PTR	4.38.140.61.broad.gz.gd.dynamic.163data.com.cn
61.140.38.34	PTR	34.38.140.61.broad.gz.gd.dynamic.163data.com.cn
61.140.38.65	PTR	65.38.140.61.broad.gz.gd.dynamic.163data.com.cn
61.140.38.99	PTR	99.38.140.61.broad.gz.gd.dynamic.163data.com.cn
61.140.38.128	PTR	128.38.140.61.broad.gz.gd.dynamic.163data.com.cn
61.140.38.193	PTR	193.38.140.61.broad.gz.gd.dynamic.163data.com.cn
61.140.38.224	PTR	224.38.140.61.broad.gz.gd.dynamic.163data.com.cn
61.140.38.227	PTR	227.38.140.61.broad.gz.gd.dynamic.163data.com.cn
61.140.41.33	PTR	33.41.140.61.broad.gz.gd.dynamic.163data.com.cn
61.140.41.112	A	xn--qby29x5rcf3j.com
61.140.41.112	A	qivay.com
61.140.41.195	PTR	195.41.140.61.broad.gz.gd.dynamic.163data.com.cn
61.140.43.0	PTR	0.43.140.61.broad.gz.gd.dynamic.163data.com.cn
61.140.44.18	A	arwkj.com
61.140.44.78	A	sylphid.cn
61.140.45.45	A	sparklesoftech.com
61.140.47.109	A	xies.cc
61.140.47.179	A	miram.cn
61.140.53.172	A	eyediy.com
61.140.56.101	PTR	tempdns2.guangzhou.gd.cn
61.140.60.1	A	shunhuigift.com
61.140.60.2	A	shhenge.cn
61.140.60.2	A	shhenge.com
61.140.60.9	PTR	optech.com.cn
61.140.60.9	PTR	gdofa.gov.cn
61.140.60.9	PTR	smtp-hosting.21cn.com
61.140.60.32	PTR	freepassport.21cn.com
61.140.60.35	PTR	forum.21cn.com
61.140.60.35	A+PTR	otherpay.21cn.com
61.140.60.35	PTR	ymca.21cn.com
61.140.60.67	PTR	high.21cn.com
61.140.60.67	PTR	poll.21cn.com
61.140.60.67	PTR	rgdhs.21cn.com
61.140.60.69	PTR	download.21cn.com
61.140.60.69	PTR	fansclub.21cn.com
61.140.60.69	PTR	images.21cn.com
61.140.60.70	A	mta2.21cn.com
61.140.60.101	PTR	fmail.21cn.com
61.140.60.141	PTR	ent.forptr.21cn.com
61.140.60.142	PTR	ent.forptr.21cn.com
61.140.60.143	PTR	ent.forptr.21cn.com
61.140.60.144	PTR	ent.forptr.21cn.com
61.140.60.171	A	public1.guangzhou.gd.cn
61.140.60.173	A	nh.gd.cninfo.net
61.140.60.173	A	nh.gnet.gd.cn
61.140.60.173	A	jiangmen.gd.cn
61.140.60.233	PTR	mta-ent.21cn.com
61.140.60.233	A	konetrading.com.cn
61.140.60.233	A	mail.henkoparts.com
61.140.60.248	PTR	21cn.com
61.140.61.198	A	jugou.biz
61.140.62.62	A	www.manwinlimited.synology.me
61.140.62.62	A	manwinlimited.synology.me