Robtex

Up: 41.222.16.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 41.222.24.0/22
Down right: 41.222.28.0/22

IP	Type	Hostname
41.222.24.170	PTR	mail.scangroup.co.tz
41.222.25.24	PTR	host25-24.bol.co.tz
41.222.26.114	PTR	intranet.nao.go.tz
41.222.27.243	PTR	mail.smart.co.tz
41.222.27.246	A	eatsrv.bol.co.tz
41.222.28.3	PTR	host28-3.bol.co.tz
41.222.28.18	PTR	host28-18.bol.co.tz
41.222.28.25	PTR	host28-25.bol.co.tz
41.222.28.34	PTR	phcourtyard.com
41.222.28.98	PTR	mail.tic.co.tz
41.222.28.105	PTR	host28-105.bol.co.tz
41.222.28.136	PTR	msvr2.muchs.ac.tz
41.222.28.136	PTR	msvr2.muhas.ac.tz
41.222.28.153	PTR	host28-153.bol.co.tz
41.222.28.161	PTR	host28-161.bol.co.tz
41.222.28.184	PTR	host28-184.bol.co.tz
41.222.28.186	PTR	host28-186.bol.co.tz
41.222.29.26	PTR	mail2.tcaa.go.tz
41.222.29.194	A+PTR	email.diamondtrust.co.tz
41.222.29.194	A	mail02.diamondtrust.co.tz
41.222.30.2	PTR	ns1.spicenet.co.tz
41.222.30.11	PTR	host30-11.bol.co.tz
41.222.30.18	PTR	host30-18.bol.co.tz
41.222.30.33	PTR	host30-33.bol.co.tz
41.222.30.36	A	mx-41-222-30-36.italshoe.com
41.222.30.65	PTR	host30-65.bol.co.tz
41.222.30.96	PTR	host30-96.bol.co.tz
41.222.30.171	PTR	host30-171.bol.co.tz
41.222.30.194	PTR	host30-194.bol.co.tz
41.222.31.2	PTR	host31-2.bol.co.tz
41.222.31.122	PTR	host31-122.bol.co.tz
41.222.31.168	PTR	host31-168.bol.co.tz