Robtex

Up: 219.136.224.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 219.136.224.0/21
Down right: 219.136.232.0/21

IP	Type	Hostname
219.136.224.54	PTR	54.224.136.219.broad.gz.gd.dynamic.163data.com.cn
219.136.224.86	PTR	86.224.136.219.broad.gz.gd.dynamic.163data.com.cn
219.136.224.133	PTR	133.224.136.219.broad.gz.gd.dynamic.163data.com.cn
219.136.225.19	PTR	19.225.136.219.broad.gz.gd.dynamic.163data.com.cn
219.136.226.73	PTR	73.226.136.219.broad.gz.gd.dynamic.163data.com.cn
219.136.226.77	PTR	77.226.136.219.broad.gz.gd.dynamic.163data.com.cn
219.136.226.221	PTR	221.226.136.219.broad.gz.gd.dynamic.163data.com.cn
219.136.226.225	PTR	225.226.136.219.broad.gz.gd.dynamic.163data.com.cn
219.136.227.37	PTR	37.227.136.219.broad.gz.gd.dynamic.163data.com.cn
219.136.227.181	PTR	181.227.136.219.broad.gz.gd.dynamic.163data.com.cn
219.136.227.187	PTR	187.227.136.219.broad.gz.gd.dynamic.163data.com.cn
219.136.227.251	PTR	251.227.136.219.broad.gz.gd.dynamic.163data.com.cn
219.136.229.41	A	dns1.gdpu.cn
219.136.229.42	A	dns2.gdpu.cn
219.136.229.43	A	mail1.gdpu.edu.cn
219.136.229.45	A	www.smartip.gdpu.edu.cn
219.136.229.47	A	mail1.gdpu.edu.cn
219.136.229.48	A	dep2.my.gdpu.edu.cn
219.136.229.51	A	dtone1.gdpu.edu.cn
219.136.229.76	A	mail.nicequality.cn
219.136.229.188	PTR	mail.schunkchina.com
219.136.229.212	A	tbestchina.com
219.136.229.212	A	mail.tbestchina.com
219.136.229.219	A	ktljcw.com
219.136.230.34	A	www.hn-e-car.com
219.136.230.51	A	youjinda.com
219.136.230.52	A	yudvip.com
219.136.230.109	A	mail.py.cn.sumida.com
219.136.230.131	A	mail.star-river.com
219.136.230.132	A	www.star-river.com
219.136.230.133	A	systar-river.com
219.136.230.138	A	gdhbz.com
219.136.230.179	A+PTR	mail.cigz.cn
219.136.230.179	A	cigz.cn
219.136.231.174	A	lacelcpp.com
219.136.231.218	A	mail.zzigroup.com
219.136.239.50	A	mail.dtsjy.com