Robtex

Up: 203.101.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 203.101.40.0/22
Down right: 203.101.44.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.101.40.18	PTR	tandbintl.com
203.101.40.18	PTR	mail.jetinkspl.com
203.101.40.18	PTR	mail.tandbintl.com
203.101.40.38	PTR	dsl-chn-static-038.40.101.203.airtelbroadband.in
203.101.40.48	PTR	dsl-chn-static-048.40.101.203.airtelbroadband.in
203.101.40.119	A	matexnet.info
203.101.40.135	PTR	dsl-chn-static-135.40.101.203.airtelbroadband.in
203.101.40.168	A	maduraicorporation.co.in
203.101.40.255	PTR	dsl-chn-static-255.40.101.203.airtelbroadband.in
203.101.41.32	PTR	dsl-chn-static-032.41.101.203.airtelbroadband.in
203.101.41.107	PTR	dsl-chn-static-107.41.101.203.airtelbroadband.in
203.101.41.225	PTR	dsl-chn-static-225.41.101.203.airtelbroadband.in
203.101.42.13	PTR	dsl-chn-static-013.42.101.203.airtelbroadband.in
203.101.42.13	A	aieknits.com
203.101.42.137	PTR	support.techspectra.com
203.101.42.162	PTR	skml.kannapiran.co.in
203.101.42.183	PTR	dsl-chn-static-183.42.101.203.airtelbroadband.in
203.101.42.183	A	krishsreedharan.com
203.101.42.221	PTR	dsl-chn-static-221.42.101.203.airtelbroadband.in
203.101.43.132	A	sunamericaninc.com
203.101.43.255	PTR	dsl-chn-static-255.43.101.203.airtelbroadband.in
203.101.44.120	PTR	dsl-chn-static-120.44.101.203.airtelbroadband.in
203.101.44.156	A	postvlogs.com
203.101.44.156	A	ns2.goodluckinternetservices.com
203.101.44.169	PTR	chn.khazanajewellery.com
203.101.44.233	PTR	dsl-chn-static-233.44.101.203.airtelbroadband.in
203.101.45.11	PTR	www.ssiworldwide.com
203.101.45.27	A+PTR	mail1.radissongrt.com
203.101.45.31	A	chennai.veolia-es.in
203.101.45.79	A	tagros.in
203.101.45.171	PTR	dsl-chn-static-171.45.101.203.airtelbroadband.in
203.101.46.3	PTR	dsl-tn-003.46.101.203.airtelbroadband.in