Robtex

Up: 173.231.40.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 173.231.41.0/25
Down right: 173.231.41.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
173.231.41.50	A	ds-tesura.privatesys.net
173.231.41.50	A	mail.ds-tesura.privatesys.net
173.231.41.114	PTR	173-231-41-114.hosted.static.webnx.com
173.231.41.116	PTR	173-231-41-116.hosted.static.webnx.com
173.231.41.116	A	xemsexvl.com
173.231.41.117	PTR	173-231-41-117.hosted.static.webnx.com
173.231.41.132	A	kailun-gd.com
173.231.41.143	PTR	173-231-41-143.hosted.static.webnx.com
173.231.41.145	A	kjzb.cn
173.231.41.152	A	sdfdcw.com
173.231.41.152	A	lkgg.net
173.231.41.209	PTR	173-231-41-209.hosted.static.webnx.com
173.231.41.210	A+PTR	gwebtools.de
173.231.41.210	A	whois.gwebtools.de
173.231.41.210	A	www.gwebtools.de
173.231.41.211	PTR	bit-calculator.com
173.231.41.211	A	www.gwebtools.jp
173.231.41.211	A	www.gwebtools.it
173.231.41.212	A+PTR	gwebtools.com
173.231.41.212	A	gwebtools.fr
173.231.41.212	A	pt.gwebtools.com
173.231.41.213	A+PTR	sitestats.ru
173.231.41.213	A	www.sitestats.ru
173.231.41.213	A	whois.sitestats.ru
173.231.41.214	A+PTR	gwebtools.com.br
173.231.41.214	A	www.gwebtools.com.br
173.231.41.214	A	whois.gwebtools.com.br