Robtex

Up: 173.231.12.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 173.231.12.0/24
Down right: 173.231.13.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
173.231.12.39	A	mail.bts880.com
173.231.12.39	A	mail.bts888.com
173.231.12.47	PTR	173-231-12-47.hosted.static.webnx.com
173.231.12.47	A	goloy.com
173.231.12.47	A	fjcungu.com
173.231.12.56	A	myfoodfusion.com
173.231.12.61	A	hzlison.com
173.231.12.61	A	hzjingshun.com
173.231.12.67	PTR	173-231-12-67.hosted.static.webnx.com
173.231.12.67	A	mail.silverstripebase.com
173.231.12.67	A	moreforvalue.com
173.231.12.68	A	leftfootforum.org
173.231.12.68	A	www.leftfootforum.org
173.231.12.68	A	ns1.leftfootforum.org
173.231.12.70	PTR	173-231-12-70.hosted.static.webnx.com
173.231.12.70	A	ns1.sarkemedia.com
173.231.12.70	A	ns2.sarkemedia.com
173.231.12.72	PTR	173-231-12-72.hosted.static.webnx.com
173.231.12.73	PTR	173-231-12-73.hosted.static.webnx.com
173.231.12.73	A	jumpbuzz.com
173.231.12.73	A	www.shieffservices.com
173.231.12.77	PTR	ns1.irishshop.com
173.231.12.77	A	bigglr.com
173.231.12.77	A	ns5.bigglr.com
173.231.12.83	PTR	173-231-12-83.hosted.static.webnx.com
173.231.12.87	A	startingequipment.com
173.231.12.91	PTR	server1.kwtbs.com
173.231.12.91	A	ns2.kwtbs.com
173.231.12.91	A	ns1.kwtbs.com
173.231.12.92	A	2cer.us
173.231.12.93	PTR	173-231-12-93.hosted.static.webnx.com
173.231.12.93	A	ns10.ezpzhosting.co.uk
173.231.12.112	PTR	173-231-12-112.hosted.static.webnx.com
173.231.12.112	A	cninfo.se
173.231.12.115	PTR	173-231-12-115.hosted.static.webnx.com
173.231.12.115	A	cpki.org
173.231.12.148	PTR	173-231-12-148.hosted.static.webnx.com
173.231.12.148	A	chunxu88.com
173.231.12.148	A	3din.com.cn
173.231.12.194	PTR	173-231-12-194.hosted.static.webnx.com
173.231.12.194	A	mx.djmagadmin.com
173.231.12.194	A	djmagadmin.com
173.231.13.18	PTR	173-231-13-18.hosted.static.webnx.com
173.231.13.18	A	syhx.net
173.231.13.28	PTR	173-231-13-28.hosted.static.webnx.com
173.231.13.28	A	jdsdwj.com
173.231.13.32	PTR	173-231-13-32.hosted.static.webnx.com
173.231.13.32	A	sdslsd.com
173.231.13.54	PTR	173-231-13-54.hosted.static.webnx.com
173.231.13.54	A	ncic.mobi
173.231.13.54	A	zhonter.com
173.231.13.55	PTR	173-231-13-55.hosted.static.webnx.com
173.231.13.55	A	cpweb.cn
173.231.13.82	PTR	173-231-13-82.hosted.static.webnx.com
173.231.13.86	PTR	173-231-13-86.hosted.static.webnx.com
173.231.13.86	A	goodwto.com
173.231.13.163	PTR	173-231-13-163.hosted.static.webnx.com
173.231.13.206	PTR	173-231-13-206.hosted.static.webnx.com
173.231.13.206	A	digidie.com
173.231.13.209	PTR	173-231-13-209.hosted.static.webnx.com
173.231.13.209	A	quickfieldchina.com
173.231.13.209	A	mail.quickfieldchina.com
173.231.13.214	PTR	173-231-13-214.hosted.static.webnx.com
173.231.13.215	A	pengfeipark.com