Robtex

Up: 41.188.136.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 41.188.137.0/25
Down right: 41.188.137.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
41.188.137.2	A+PTR	mx1.akhst.org
41.188.137.2	A	mail.akhst.org
41.188.137.3	PTR	mx3.akhst.org
41.188.137.4	A+PTR	mx2.akhst.org
41.188.137.18	A+PTR	mail.macs.co.tz
41.188.137.20	PTR	mail2.macs.co.tz
41.188.137.34	PTR	mhmail.muchs-harvard.org
41.188.137.38	A+PTR	mdhmail.mdh-tz.org
41.188.137.38	A	webmail.mdh-tz.org
41.188.137.38	A	mhmail.muchs-harvard.org
41.188.137.130	PTR	mail.duce.ac.tz
41.188.137.146	A+PTR	mail.mkono.com
41.188.137.146	A	mkdws04.mkono.com
41.188.137.146	A	mkono.com
41.188.137.163	PTR	acgen.go.tz
41.188.137.225	A	mx01.tih.co.tz
41.188.137.225	A	mx01.tje.co.tz
41.188.137.225	A	mx01.geier.ne.tz
41.188.137.243	PTR	mail.veta.go.tz