Robtex

Up: 41.66.4.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 41.66.4.0/25
Down right: 41.66.4.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
41.66.4.1	PTR	adsluser41-66-4-1.vipnet.ci
41.66.4.2	PTR	adsluser41-66-4-2.vipnet.ci
41.66.4.103	PTR	adsluser41-66-4-103.vipnet.ci
41.66.4.143	A	2a.isvp.serveftp.org
41.66.4.178	A	bos-mail2.domains.isvp.serveftp.org
41.66.4.178	A	ext.isvp.serveftp.org
41.66.4.178	A	lax1.isvp.serveftp.org
41.66.4.195	PTR	adsluser41-66-4-195.vipnet.ci