Robtex

Up: 41.204.128.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 41.204.129.0/25
Down right: 41.204.129.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
41.204.129.14	A+PTR	mx1.zantel.com
41.204.129.14	A	imap.zantel.co.tz
41.204.129.14	A	mail.zantel.com
41.204.129.15	A+PTR	ns2.zantel.com
41.204.129.148	A	zantel.com
41.204.129.148	A	www.zantel.com
41.204.129.148	A	zantel.co.tz
41.204.129.159	A	monitor.zantel.com