Robtex

Up: 212.103.184.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 212.103.185.0/25
Down right: 212.103.185.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.103.185.5	PTR	mail.first-egyptian.com
212.103.185.40	PTR	mail.ngocenter.org.eg
212.103.185.70	PTR	mail.sodic.com
212.103.185.70	A	mail.westowncairo.com
212.103.185.70	A	mail.kattameyaplaza.com
212.103.185.71	A+PTR	mx1.sodic.com
212.103.185.72	A	mx2.sodic.com
212.103.185.146	PTR	mail.settecltd.com
212.103.185.147	PTR	mail.lux-maritim-jolieville.com