Robtex

Up: 204.107.12.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 204.107.12.0/24
Down right: 204.107.13.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
204.107.12.30	A	isiconsulting.com
204.107.12.67	PTR	vl503.sysfx.com
204.107.12.67	A	ns4.actfx.com
204.107.12.67	A	ns4.sysfx.net
204.107.12.113	PTR	fxtradelive.sysfx.com
204.107.12.117	PTR	3dgamemarket.com
204.107.12.132	PTR	sugar.act-forex.com
204.107.12.132	A	act-forex.com
204.107.12.140	A+PTR	live.other.sysfx.com
204.107.12.146	PTR	a106.sysfx.com
204.107.12.146	A	fd.sysfx.com
204.107.12.157	A+PTR	nsw.act-forex.com
204.107.12.157	A	ns1.sysfx.net
204.107.12.157	A	ns1.act-forex.com
204.107.12.164	PTR	actforex.ru
204.107.12.164	A	acttrader.org
204.107.12.164	A	huskesms.dk
204.107.12.165	PTR	demo3.sysfx.com
204.107.12.166	PTR	test.dev.sysfx.com
204.107.12.166	A	real5.sysfx.com
204.107.12.168	A	demo10.sysfx.com
204.107.12.184	PTR	real3.sysfx.net
204.107.12.185	A+PTR	proxy.sysfx.com
204.107.12.196	A+PTR	feed2.sysfx.com
204.107.12.196	A	charts.sysfx.com
204.107.12.198	A	dev.sysfx.com
204.107.12.198	A	dev.sysfx.net
204.107.12.201	PTR	sysfx.com
204.107.12.201	A	mx01.3dgamemarket.com
204.107.12.201	A	mail.isiconsulting.com
204.107.12.203	A	help.sysfx.com
204.107.12.203	A	api-support.sysfx.com
204.107.12.205	PTR	registration.sysfx.com
204.107.12.207	PTR	chart10.sysfx.net
204.107.12.207	A	chart10.sysfx.com
204.107.12.212	PTR	sokol.us
204.107.12.212	A	mx03.sokol.us
204.107.12.212	A	mx01.bigedshop.com
204.107.12.214	PTR	demo.other.sysfx.com
204.107.12.237	PTR	feed.sgtl.sysfx.net
204.107.12.242	A+PTR	va702.sysfx.com
204.107.12.242	A	ada-ru.org
204.107.12.249	A	www.actfx.org
204.107.13.145	A	va705.sysfx.com
204.107.13.148	A	vl648.sysfx.com
204.107.13.152	A+PTR	vl639.sysfx.com
204.107.13.154	A	vl640.sysfx.com
204.107.13.155	A	vl641.sysfx.com
204.107.13.157	A	va120.sysfx.com
204.107.13.192	A	3dfstudio.com
204.107.13.193	A	www.isiconsulting.com
204.107.13.193	A	dtpdoctors.com
204.107.13.193	A	iraunsolutions.com
204.107.13.194	A	house2trade.com
204.107.13.194	A	sysfx.us
204.107.13.196	A+PTR	zenoss.actforex.com
204.107.13.196	A	mx01.indifilmnet.com
204.107.13.196	A	mx01.house2trade.com
204.107.13.198	A	sugar.act-forex.com