Robtex

Up: 84.23.104.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 84.23.104.0/23
Down right: 84.23.106.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
84.23.105.229	A+PTR	diamond.mobily.com.sa
84.23.105.230	A+PTR	noctua.mobily.com.sa
84.23.105.232	A+PTR	mx5.mobily.com.sa
84.23.105.233	A+PTR	mx6.mobily.com.sa
84.23.106.12	A+PTR	bronze.mobily.com.sa
84.23.107.13	A	crm-2.mobily.com.sa
84.23.107.121	A	mobily.sa
84.23.107.121	A	xn--mgbb9fbpob.xn--mgberp4a5d4ar
84.23.107.121	A	www.mobily.sa
84.23.107.124	A	wifi.mobily.com.sa
84.23.107.125	A	api.mobily.com.sa
84.23.107.126	A	connect.mobily.com.sa
84.23.107.126	A	myconnect.mobily.com.sa
84.23.107.186	A	bmx4.mobily.com.sa
84.23.107.199	A	autodiscover.mobily.com.sa
84.23.107.202	A	lyncdiscover.mobily.com.sa
84.23.107.210	A	sip.mobily.com.sa
84.23.107.220	A	sip.mobily.com.sa
84.23.107.226	A+PTR	silver.mobily.com.sa
84.23.107.226	A	mx1.mobilyinfotech.com
84.23.107.227	A+PTR	gold.mobily.com.sa
84.23.107.227	A	mx2.mobilyinfotech.com
84.23.107.228	A+PTR	mx3.mobily.com.sa
84.23.107.229	A+PTR	mx4.mobily.com.sa