Robtex

Up: 212.12.182.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 212.12.183.0/25
Down right: 212.12.183.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.12.183.35	A+PTR	mail3.ehteraf.com
212.12.183.35	PTR	mail3.ghassanco.com
212.12.183.35	PTR	mail3.ikea.com.sa
212.12.183.39	PTR	mail3.ikea.com.sa
212.12.183.39	PTR	webmail.ikea.com.sa
212.12.183.82	PTR	autodiscover.azcoldstores.net
212.12.183.82	PTR	mail.azcoldstores.net
212.12.183.82	A	mail.emecoksa.com
212.12.183.85	PTR	mail1.azcoldstores.net
212.12.183.114	A	mail.kka.org.sa
212.12.183.114	A	mail.kkf.org.sa
212.12.183.162	A+PTR	mail2.saudibrothers.com
212.12.183.163	A+PTR	mail.saudibrothers.com
212.12.183.178	A+PTR	mail.alireza.com
212.12.183.178	A	mx.alireza.com
212.12.183.181	A	mx3.alireza.com
212.12.183.182	A	*.alireza.com
212.12.183.182	A	alireza.com
212.12.183.203	A	www.hafil.com.sa
212.12.183.226	A	vpn.shaker.com.sa
212.12.183.226	A	mx02.shaker.com.sa
212.12.183.226	A	vpn1.shaker.com.sa
212.12.183.228	PTR	mail.shaker.com.sa
212.12.183.229	PTR	mail.shaker.com.sa
212.12.183.242	A	mail.albarakatgroup.com