Robtex

Up: 221.199.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 221.199.0.0/18
Down right: 221.199.64.0/18
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
221.199.1.158	A	ns1.nx.china169.cn
221.199.1.158	A	ns1.cncnx.com
221.199.1.214	A	ns2.nx.china169.cn
221.199.1.214	A	ns2.cncnx.com
221.199.6.21	A	nxxian.com
221.199.6.21	A	nxxian.net
221.199.6.246	A	ktnyjt.com
221.199.9.197	A	nxyouwei.com
221.199.9.197	A	nxyw.cn
221.199.9.197	A	mail.nxyouwei.com
221.199.10.59	A	szsccb.cn
221.199.10.133	A	nxapollo.com
221.199.11.149	A	nxciq.gov.cn
221.199.11.172	A	szscz.gov.cn
221.199.11.230	A	nxdzj.gov.cn
221.199.11.230	A	www.nxdzj.gov.cn
221.199.13.164	A	nxws.gov.cn
221.199.13.212	A	www.nxca.gov.cn
221.199.14.12	A	smtp.cncnx.com
221.199.14.12	A	smtp.nx.china169.cn
221.199.40.114	A	nxupls.com
221.199.40.238	A	www.btogs.com
221.199.41.70	A	mail.nxqy.net
221.199.42.251	A	www.hy.gov.cn
221.199.43.234	A	szstv.com
221.199.43.234	A	szsdaily.com
221.199.43.254	A	szsgmzx.com
221.199.62.252	A	newr.cn
221.199.98.26	A	mail.nwsqjy.com