Robtex

Up: 202.138.100.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 202.138.100.0/25
Down right: 202.138.100.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
202.138.100.3	A	mailserver.icalibrator.com
202.138.100.5	A	ns1.icalibrator.com
202.138.100.26	PTR	giveindia.com
202.138.100.26	PTR	giveindia.net
202.138.100.26	PTR	mail.giveindia.com
202.138.100.28	A	cardsecurity.enstage.com
202.138.100.29	A	secure.axisbank.com
202.138.100.38	PTR	safebytes.com
202.138.100.38	PTR	blr_rs1.safebytes.com
202.138.100.38	PTR	www.safebytes.com
202.138.100.90	A	cardsecurity.enstage.com
202.138.100.131	A+PTR	mail.channelworld.in
202.138.100.131	A+PTR	mail.computerworld.in
202.138.100.131	PTR	mx.computerworld.in
202.138.100.134	A	www.cio.in
202.138.100.134	A	cio100.cio.in
202.138.100.136	A	www.cio.in
202.138.100.136	A	greenenterpriseit.com
202.138.100.136	A	cio.in
202.138.100.137	A	www.channelworld.in
202.138.100.137	A	csoonline.in
202.138.100.137	A	channelworld.in
202.138.100.139	A	connectedenterprise.in
202.138.100.142	A+PTR	mail.idgindia.com
202.138.100.142	A+PTR	mail.cio.in
202.138.100.142	PTR	mail.pcworld.in
202.138.100.143	PTR	mail.connectedenterprise.in
202.138.100.143	A+PTR	mx2.connectedenterprise.in
202.138.100.144	A	www.computerworld.in
202.138.100.144	A	mail.pcworld.in
202.138.100.144	A	pcworld.in
202.138.100.145	A	idgindia.com
202.138.100.145	A	www.idgindia.com
202.138.100.151	PTR	mail.idgindia.net
202.138.100.194	A	www.bangaloreone.gov.in
202.138.100.196	PTR	tataskyuniverse.com
202.138.100.196	PTR	www.tataskyuniverse.com
202.138.100.197	A+PTR	rera.karnataka.gov.in
202.138.100.197	PTR	www.rera.karnataka.gov.in
202.138.100.206	A+PTR	vatkar.gov.in
202.138.100.206	A+PTR	www.vatkar.gov.in
202.138.100.220	PTR	epeoplebc.com
202.138.100.223	A	empoweringhr4all.com
202.138.100.229	PTR	myrajshree.com
202.138.100.229	PTR	www.myrajshree.com