Robtex

Up: 198.36.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 198.36.32.0/22
Down right: 198.36.36.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
198.36.33.1	A+PTR	vendorqa.aramcoservices.com
198.36.33.2	A+PTR	vendordev.aramcoservices.com
198.36.33.3	A+PTR	vendor.aramcoservices.com
198.36.33.6	A	vgs1.aramco.com
198.36.33.8	A+PTR	vgs3.aramco.com
198.36.33.14	A	www.ksareunion.com
198.36.33.19	A+PTR	xaccessqa.aramco.com
198.36.33.27	A+PTR	connectdev.aramco.com
198.36.33.28	A+PTR	accessdev.aramco.com
198.36.33.42	PTR	smtp1.aramco.com
198.36.33.44	PTR	smtp2.aramco.com
198.36.33.45	PTR	smtp2.aramco.com
198.36.33.46	PTR	smtp3.aramco.com
198.36.33.155	A+PTR	apps.saudiaramco.com.sa
198.36.37.4	PTR	smtp4.aramco.com
198.36.37.5	PTR	smtp6.aramco.com
198.36.37.5	PTR	xmpp.aramco.com
198.36.37.5	A	sip.aramco.com
198.36.37.6	PTR	smtp5.aramco.com
198.36.37.16	PTR	smtp2.aramco.com
198.36.37.16	A+PTR	smtp2.aramcoretiree.com
198.36.37.16	PTR	smtp2.aramcotech.com
198.36.37.17	PTR	smtp1.aramco.com
198.36.37.17	PTR	smtp1.aramcoretiree.com
198.36.37.17	PTR	smtp1.aramcotech.com
198.36.37.18	PTR	smtp3.aramco.com
198.36.37.18	PTR	smtp3.aramcoretiree.com
198.36.37.18	PTR	smtp3.aramcotech.com
198.36.37.19	PTR	smtp4.aramco.com
198.36.37.19	PTR	smtp4.aramcoretiree.com
198.36.37.19	PTR	smtp4.aramcotech.com
198.36.37.24	A+PTR	connect.aramco.com
198.36.37.39	A+PTR	smtp1.aramcotrading.com
198.36.37.40	A+PTR	smtp2.aramcotrading.com
198.36.38.12	A+PTR	av.aramco.com
198.36.38.13	PTR	jv.aramco.com
198.36.38.23	A+PTR	pxt.aramco.com
198.36.38.23	A+PTR	origin-amr4320-pxt.aramco.com
198.36.38.23	A	wafqas1.aramco.com
198.36.38.26	A	wafns.aramco.com
198.36.38.26	A	mobile.aramco.com
198.36.38.27	A+PTR	wbm.aramco.com
198.36.38.27	PTR	origin-amr7540-wbm.aramco.com
198.36.38.27	A	wafnss.aramco.com
198.36.38.28	PTR	mga.aramco.com
198.36.38.28	PTR	sncdev.aramcoservices.com
198.36.38.28	PTR	origin-amr7520-mga.aramco.com
198.36.38.29	A	email.aramco.com
198.36.38.34	A+PTR	acc.aramco.com
198.36.38.34	A	fileshare2.aramco.com
198.36.38.34	A	fileshare1.aramco.com
198.36.38.41	A+PTR	ave.aramco.com
198.36.38.42	A+PTR	jwz.aramco.com
198.36.38.42	A	jhahsrm.aramco.com
198.36.38.49	A+PTR	mea.jhah.com
198.36.38.52	A+PTR	login1.aramco.com
198.36.38.52	A+PTR	origin-amr7510-login1.aramco.com
198.36.38.56	A	employee.aramco.com
198.36.38.81	A+PTR	awp.aramco.com
198.36.38.81	A+PTR	origin-amr7570-awp.aramco.com
198.36.38.150	A	saudiaramcoat100.com
198.36.38.150	A	aramco100.com
198.36.38.150	A	agwaweb.com
198.36.38.198	A+PTR	meaq.aramco.com
198.36.38.199	A+PTR	mea1.aramco.com
198.36.38.199	A+PTR	wafnsemail.aramco.com
198.36.38.199	PTR	wafnstest.aramco.com
198.36.38.211	A+PTR	sapublichosting.com
198.36.38.215	A	nss1.aramco.com
198.36.38.215	A	ebusiness.aramco.com
198.36.38.218	A+PTR	login.aramco.com
198.36.38.218	A	loginaramco.com
198.36.38.219	A	nsowa.aramco.com
198.36.38.219	A	legacy.aramco.com.sa
198.36.38.229	A	nsqas2.aramco.com
198.36.38.229	A	www2qa.aramco.com
198.36.38.232	A	logint.aramco.com
198.36.38.233	A	nsqas.aramco.com
198.36.38.234	A	nsqa.aramco.com
198.36.38.235	A	dpx.aramco.com