Robtex

Up: 61.16.160.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 61.16.168.0/22
Down right: 61.16.172.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
61.16.168.135	A	mail.flextronicssoftware.com
61.16.169.38	A	ns-blr.bsil.com
61.16.169.194	PTR	ban-static-194-169-16-61.direct.net.in
61.16.170.42	PTR	meta-helix.com
61.16.170.244	A	mail1.imi-india.com
61.16.171.20	A	mailex1.esi-india.com
61.16.171.21	A	mailex2.esi-india.com
61.16.171.243	PTR	mail.tessolve.com
61.16.172.2	PTR	mail.gnsaindia.com
61.16.172.21	A	mail1.gnsaindia.com
61.16.172.32	PTR	logitech.com
61.16.172.33	PTR	logitech.com
61.16.172.34	PTR	logitech.com
61.16.172.35	PTR	logitech.com
61.16.172.67	PTR	chn-static-67-172-16-61.direct.net.in
61.16.172.75	A	kumalabs.co.in
61.16.172.75	A	kumalabsindia.com
61.16.172.77	A	transisle.net
61.16.172.185	PTR	mail.flyjac.com
61.16.172.185	A	unifosolutions.com
61.16.172.185	A	mail.unifosolutions.com
61.16.172.187	A+PTR	smtp1.flyjac.com
61.16.172.190	A	mail1.flyjac.com
61.16.172.222	A	pacemail.paceautomation.com
61.16.172.241	PTR	chn-static-241-172-16-61.direct.net.in
61.16.172.241	A	ftp.paceautomation.com
61.16.172.251	PTR	chn-static-251-172-16-61.direct.net.in
61.16.173.20	A	sitecore-support.org
61.16.173.20	A	uatjoomlageeks.com
61.16.173.74	A	ameexopensrc.com
61.16.173.96	PTR	expofreight.com
61.16.173.97	PTR	expofreight.com
61.16.173.98	PTR	173.98.firewall.expofreight.com
61.16.173.99	PTR	expofreight.com
61.16.173.104	PTR	expofreight.com
61.16.173.105	PTR	expofreight.com
61.16.173.106	PTR	expofreight.com
61.16.173.107	PTR	expofreight.com
61.16.173.112	PTR	expofreight.com
61.16.173.113	PTR	expofreight.com
61.16.173.114	PTR	expofreight.com
61.16.173.115	PTR	expofreight.com
61.16.173.120	PTR	expofreight.com
61.16.173.121	PTR	expofreight.com
61.16.173.122	PTR	expofreight.com
61.16.173.123	PTR	expofreight.com
61.16.173.212	A	eshopaid.net
61.16.173.212	A	eshopaid.com
61.16.173.212	A	eshopaid.in
61.16.173.213	A	lakshmediline.com
61.16.173.216	PTR	chn-static-216-173-16-61.direct.net.in
61.16.173.216	A	mail.whoisin.in
61.16.173.216	A	mail.eshopaid.in
61.16.173.217	PTR	chn-static-217-173-16-61.direct.net.in
61.16.173.218	PTR	chn-static-218-173-16-61.direct.net.in
61.16.173.243	PTR	chn-static-243-173-16-61.direct.net.in
61.16.173.246	A	techfrontinventory.com
61.16.173.246	A	techfronterp.com
61.16.174.6	A	mail.celebritygroup.com
61.16.174.6	A	mail.indianterrain.com
61.16.174.7	A	celebritygroup.com
61.16.174.66	PTR	chn-static-66-174-16-61.direct.net.in
61.16.174.66	A	imagine.co.in
61.16.174.66	A	dns1.imaginetechnologies.com
61.16.174.75	PTR	chn-static-75-174-16-61.direct.net.in
61.16.174.75	A	dns3.tranquilmoney.com
61.16.174.75	A	ns3.imagine.co.in
61.16.174.107	PTR	mail.vps-india.com
61.16.174.186	PTR	chn-static-186-174-16-61.direct.net.in
61.16.174.187	A+PTR	webmail.shasun.com
61.16.174.203	A+PTR	mail.lifecellinternational.com
61.16.174.203	PTR	mail.lifecell.in
61.16.174.217	PTR	chn-static-217-174-16-61.direct.net.in
61.16.174.217	A	mzine.in
61.16.174.218	A+PTR	mail.symbioticinfo.com
61.16.174.218	A	mail.teloglobal.com
61.16.174.218	A	mail1.m-tutor.com
61.16.174.219	PTR	chn-static-219-174-16-61.direct.net.in
61.16.175.44	A	ftp.carevoyantindia.com
61.16.175.45	A	www.carevoyantindia.com
61.16.175.46	A	tscvi.carevoyantindia.com
61.16.175.99	PTR	chn-static-99-175-16-61.direct.net.in
61.16.175.116	A	datamaticshc.com
61.16.175.180	A	americanmedindia.com
61.16.175.180	A	ecotechnyc.com
61.16.175.181	A	empower-india.net
61.16.175.205	A	mail2.sbsl.in
61.16.175.205	A	mail1.sundarambpo.in
61.16.175.210	PTR	mail2.vembu.com