Robtex

Up: 170.206.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 170.207.0.0/17
Down right: 170.207.128.0/17
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
170.207.0.1	A	info.ihs.com
170.207.16.2	A	ewb-services.ihs.com
170.207.16.3	A+PTR	ewbcutover.ihs.com
170.207.16.3	A+PTR	vip-ewb.ihs.com
170.207.16.18	A	benchmarking.split.ihsmarkit.com
170.207.71.190	A	ns1.mail.ns2.ns2.ns2.mail.518c2506e57106779f0cf55fcfd14fb065d00efe1d5a5a2a9b2d684d.6.mjuyh.com
170.207.120.1	A	webmail.ihs.com
170.207.120.1	A	gemini.ihs.com
170.207.131.31	A	structuremap.com
170.207.131.34	A	specs4integration.ihserc.com
170.207.131.60	A	director.janes.com
170.207.131.61	PTR	director2.janes.com
170.207.131.61	A	catalogue.janes.com
170.207.132.10	A+PTR	vip-global.ihs.com
170.207.132.10	A	global.ihs.com
170.207.132.10	A	www.global.ihs.com
170.207.135.240	PTR	koppers-uat.ihs.com
170.207.136.238	A	exxonmobil.ihs.com
170.207.138.11	A+PTR	mailhost.ihs.com
170.207.138.11	A	mail1.ihs.com
170.207.140.12	A	vip-services.ihs.com
170.207.140.16	A	lnganalytics.cera.com
170.207.140.22	A	vip-ews.ihs.com
170.207.142.26	A+PTR	vip-ide.ihs.com
170.207.150.51	A	ihdcvwc.ihs.com
170.207.152.10	A	ods-petrodata.net
170.207.224.16	A+PTR	mailhost2.ihs.com
170.207.224.47	A	mail2.gtis.com
170.207.224.103	A	uiaobjimg.ihserc.com
170.207.224.128	A	objimg.ihserc.com
170.207.225.31	A	penerdeq.ihsenergy.com
170.207.225.34	A	webservices1-2.ihsenergy.com
170.207.225.35	A	specs4.ihserc.com
170.207.225.42	A	maintenance.ihs.com
170.207.226.1	A	cherub.partminer.com
170.207.226.17	PTR	cesdu.ihs.com
170.207.226.17	A	www.tradestatistics.com
170.207.226.17	A	tradestatistics.com
170.207.226.18	A	dolphinmsds.com
170.207.227.14	A	pdsstudio.com
170.207.227.24	A	ihdcvwc.ihs.com
170.207.227.61	A+PTR	download-global.ihs.com
170.207.227.70	A	chemweek.com
170.207.228.24	A	uiaspecs4.ihserc.com
170.207.228.145	A	edsmaps.com
170.207.232.11	A	usmail3.ihsmarkit.com
170.207.232.12	A+PTR	usmail3.ihsmarkit.com
170.207.232.13	A	opismail.ihsmarkit.com
170.207.232.14	A	opismail.ihsmarkit.com
170.207.248.50	A+PTR	tactracd.tactech.com
170.207.248.50	A	www.tactech.com
170.207.248.50	A	tactech.com
170.207.248.200	A	support.ihscontent.net
170.207.250.2	A	ihsenv.com
170.207.252.19	PTR	edsmaps.com
170.207.252.25	PTR	autodiscover.ihs.com
170.207.252.25	PTR	smtp1.ihs.com
170.207.252.36	A	npinotify.com
170.207.252.36	A	eolnotify.com
170.207.252.36	A	quoteprep.com