Robtex

Up: 202.131.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 202.131.128.0/20
Down right: 202.131.144.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
202.131.132.61	PTR	202.131.132.61.convergentindia.com
202.131.135.234	PTR	202.131.135.234.convergentindia.com
202.131.137.75	PTR	202.131.137.75.convergentindia.com
202.131.139.10	A+PTR	mx2.luthra.com
202.131.139.12	A	antispam.luthra.com
202.131.140.101	A	ns1.estel.net.in
202.131.141.115	A+PTR	mx1.indiaglycols.com
202.131.141.120	A	mx1.kiftpl.com
202.131.142.62	PTR	202.131.142.62.convergentindia.com
202.131.142.62	A	smtp3.dsgroup.com
202.131.142.182	PTR	202.131.142.182.convergentindia.com
202.131.142.183	A	originalweightlosstea.com
202.131.142.186	PTR	202.131.142.186.convergentindia.com
202.131.143.6	PTR	202.131.143.6.convergentindia.com
202.131.144.27	PTR	dnsdel.estel.net.in
202.131.144.28	PTR	estel.net.in
202.131.144.28	PTR	www.estel.net.in
202.131.144.136	A+PTR	mail.esteltelecom.com
202.131.144.136	A	uae.esteltech.com
202.131.144.136	A	mail.esteltech.com
202.131.144.153	A	panesars.in
202.131.145.39	PTR	202.131.145.39.convergentindia.com
202.131.146.227	PTR	mx.newgen.co.in
202.131.146.230	PTR	202.131.146.230.convergentindia.com
202.131.147.37	PTR	mail.sourceinfotech.com
202.131.147.37	PTR	mail.sourcesoftsolutions.com
202.131.147.58	A	subrosonline.com
202.131.147.60	A+PTR	trendimss.subros.com
202.131.147.60	A	mail.subrosonline.com
202.131.147.82	PTR	202.131.147.82.convergentindia.com
202.131.147.189	PTR	202.131.147.189.convergentindia.com
202.131.148.18	PTR	202.131.148.18.convergentindia.com
202.131.150.102	PTR	202.131.150.102.convergentindia.com
202.131.150.176	PTR	202.131.150.176.convergentindia.com
202.131.152.2	PTR	mrtg-dcpl.dvois.com
202.131.152.4	PTR	202.131.152.4.convergentindia.com
202.131.155.13	PTR	202.131.155.13.convergentindia.com
202.131.156.6	PTR	202.131.156.6.convergentindia.com
202.131.157.79	PTR	202.131.157.79.convergentindia.com
202.131.158.243	A+PTR	jncasr.ac.in
202.131.159.255	PTR	202.131.159.255.convergentindia.com