Robtex

Up: 212.12.172.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 212.12.172.0/25
Down right: 212.12.172.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.12.172.12	A	mail1.alriyadh.com
212.12.172.12	A	mail1.yamamahmag.com
212.12.172.19	A	mail.saatchisa.com
212.12.172.21	A	www.atmc.com.sa
212.12.172.22	A	www.saatchisa.com
212.12.172.26	A	atmcit.com
212.12.172.34	A+PTR	maxwall.aladliah.com
212.12.172.34	A	mxo1.aladliah.com
212.12.172.35	PTR	mxo1.aetshipping.com
212.12.172.35	A	maxwall.aladliah.com
212.12.172.35	A	aetshipping.com
212.12.172.36	A	maxwall.aladliah.com
212.12.172.36	A	imafreight.com
212.12.172.37	A	maxwall.aladliah.com
212.12.172.38	A	maxwall.aladliah.com
212.12.172.52	A+PTR	mail.almujaz.org
212.12.172.59	A	webmail.saudilighting.com
212.12.172.59	A	mail.saudilighting.com
212.12.172.61	A+PTR	gateway.plsa.com.sa
212.12.172.85	A	mail2.callem.com.sa
212.12.172.131	A+PTR	mail.ahcl.com.sa
212.12.172.131	A+PTR	mail.honda.com.sa
212.12.172.163	A+PTR	mail.scfhs.org
212.12.172.164	A	mail.scfhssa.org
212.12.172.166	A	eservices.scfhs.org
212.12.172.167	A	scfhs.org
212.12.172.167	A	arabic.scfhs.org.sa
212.12.172.167	A	english.scfhs.org.sa
212.12.172.203	A	mail.hemaiagroup.com
212.12.172.203	A	email.hemaiagroup.com
212.12.172.250	A+PTR	mail.mawarid-dt.com.sa