Robtex

Up: 41.65.72.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 41.65.72.0/24
Down right: 41.65.73.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
41.65.73.13	PTR	mail.pearl-glass.com
41.65.73.125	A+PTR	smtp3.asecement.com
41.65.73.180	PTR	owa.globalnapi.com
41.65.73.180	PTR	mail1.globalnapi.com
41.65.73.180	PTR	mail3.globalbrokerage-eg.com
41.65.73.182	A	mmg.globalnapi.com