Robtex

Up: 61.17.152.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 61.17.152.0/23
Down right: 61.17.154.0/23

IP	Type	Hostname
61.17.152.22	PTR	61.17.152.22.static.vsnl.net.in
61.17.152.22	A	mail.audioplus-india.com
61.17.152.42	PTR	mum.carizen.com
61.17.152.42	A	mumbai.carizen.com
61.17.152.234	PTR	61.17.152.234.static.vsnl.net.in
61.17.154.106	PTR	61.17.154.106.static.vsnl.net.in