Robtex

Up: 84.235.56.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 84.235.60.0/23
Down right: 84.235.62.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
84.235.60.72	PTR	84-235-60-72.static.saudi.net.sa
84.235.60.97	PTR	84-235-60-97.static.saudi.net.sa
84.235.60.218	PTR	84-235-60-218.static.saudi.net.sa
84.235.61.161	PTR	84-235-61-161.static.saudi.net.sa
84.235.61.161	A	mail.mrhb.gov.sa
84.235.61.161	A	mrhb.gov.sa
84.235.62.12	PTR	84-235-62-12.static.saudi.net.sa
84.235.63.10	A+PTR	ns1.datacenter.com.sa
84.235.63.10	A	ns2.datacenter.com.sa
84.235.63.11	A+PTR	ns2.datacenter.com.sa
84.235.63.15	A+PTR	mail1.datacenter.com.sa
84.235.63.16	A+PTR	mail2.datacenter.com.sa
84.235.63.38	A	intigral-csms.net
84.235.63.62	A	root.su.edu.sa
84.235.63.62	A	*.su.edu.sa
84.235.63.70	A+PTR	mail-ksa1.aconex.com
84.235.63.75	A	mailksap1.aconex.com
84.235.63.76	A	mailksap2.aconex.com
84.235.63.87	A+PTR	mail.m3com.com.sa
84.235.63.88	A	adv.m3com.com.sa
84.235.63.88	A	www.m3com.com.sa
84.235.63.88	A	news.m3com.com.sa
84.235.63.98	A	mx1.sppc.com.sa
84.235.63.101	A+PTR	mail.sppc.com.sa
84.235.63.102	A+PTR	smtp.sppc.com.sa
84.235.63.102	A	mail.mpp-co.com
84.235.63.102	A	mail.halaprintco.com