Robtex

Up: 203.201.220.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.201.220.0/25
Down right: 203.201.220.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.201.220.35	PTR	mail10.indusind.com
203.201.220.42	A	email.indusind.com
203.201.220.45	A+PTR	mail10.indusind.com
203.201.220.45	A	dns1.indusind.com
203.201.220.163	PTR	ns2.mazeweb.com
203.201.220.163	A	ns2.rapidwebdns.com
203.201.220.163	A	ns4.mazeweb.com
203.201.220.164	A+PTR	ns1.mazeweb.com
203.201.220.164	A	ns3.mazeweb.com
203.201.220.164	A	ns4.antispamhosting.com
203.201.220.165	A+PTR	mailsrv165.mazeweb.com
203.201.220.166	A	doctorsinmumbai.com
203.201.220.166	A	www.doctorsinmumbai.com
203.201.220.166	A	smtpmailer.mailconnect.in
203.201.220.167	A	mail.medicapressinternational.com
203.201.220.167	A	mail.medicapressinternational.net
203.201.220.167	A	mail.karmainvest.com
203.201.220.168	PTR	mail.mazeweb.co.in
203.201.220.168	A	ns1.mazeweb.in
203.201.220.168	A	scadaking.com
203.201.220.169	A	razor1.spamrazor.net
203.201.220.170	A+PTR	mail.akar.co.in
203.201.220.170	A	mail.akarweb.com
203.201.220.170	A	akarweb.com
203.201.220.171	A+PTR	mail.madisonindia.com
203.201.220.171	A	madisonbmb.com
203.201.220.171	A	www.madisonindia.com
203.201.220.172	PTR	mailsrv172.mazeweb.com
203.201.220.172	A	mail.stockmathics.com
203.201.220.172	A	mail.spamrazor.net
203.201.220.173	A+PTR	mail.kpateldyes.com
203.201.220.173	A	labreagents.in
203.201.220.173	A	phytoextractskp.in
203.201.220.185	PTR	mumm2
203.201.220.185	A+PTR	webmail.tata.com
203.201.220.186	A	ida.tata.com
203.201.220.218	A	dimexonworld.com
203.201.220.220	PTR	dimexon.com
203.201.220.220	A	smpt1.joaillierprive.com
203.201.220.220	A	smtp1.dimexon.com
203.201.220.221	PTR	mail1.flexcel.com