Robtex

Up: 121.243.32.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 121.243.32.0/21
Down right: 121.243.40.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
121.243.32.2	PTR	121.243.32.2.static-chennai.vsnl.net.in
121.243.32.70	PTR	121.243.32.70.static-chennai.vsnl.net.in
121.243.32.110	PTR	121.243.32.110.static-chennai.vsnl.net.in
121.243.33.212	PTR	121.243.33.212.static-chennai.vsnl.net.in
121.243.35.6	A	mail.sivabulk.com
121.243.35.6	A	mail.rudhraenergy.com
121.243.35.9	A	alexandredeparis-accessories.co.in
121.243.35.12	A	crossbridgeprojects.com
121.243.35.195	PTR	qhost.qatalystechnologies.com
121.243.35.195	A	mail.qatalystechnologies.com
121.243.35.204	A	qsmail.qsourceglobal.com
121.243.35.204	A	mail.qsourceglobal.com
121.243.35.209	PTR	121.243.35.209.static-chennai.vsnl.net.in
121.243.35.209	A	dynamicsq.com
121.243.35.209	A	qatalystechnologies.com
121.243.36.146	PTR	121.243.36.146.static-chennai.vsnl.net.in
121.243.37.117	PTR	121.243.37.117.static-chennai.vsnl.net.in
121.243.37.117	A	login.craftsmanautomation.com
121.243.39.6	A	landmark-tata.com
121.243.39.131	PTR	121.243.39.131.static-chennai.vsnl.net.in
121.243.39.226	PTR	121.243.39.226.static-chennai.vsnl.net.in
121.243.43.33	PTR	121.243.43.33.static-chennai.vsnl.net.in
121.243.43.146	PTR	121.243.43.146.static-chennai.vsnl.net.in
121.243.44.34	PTR	121.243.44.34.static-bangalore.vsnl.net.in
121.243.47.2	PTR	mail.ikyaglobal.com
121.243.47.5	A	mail.coachieveindia.com
121.243.47.5	A	mail.ikyaglobal.com
121.243.47.66	PTR	adstudio.macmillansolutions.com
121.243.47.196	A	iijtpartners.net
121.243.47.196	A	teamleasefoundation.org
121.243.47.196	A	www.iijt.net
121.243.47.208	A	karskills.com
121.243.47.210	PTR	121.243.47.210.static-bangalore.vsnl.net.in
121.243.47.210	A	associate.teamlease.com
121.243.47.215	A	www.teamlease.com
121.243.47.221	A	teamleasefoundation.com
121.243.47.226	PTR	121.243.47.226.static-bangalore.vsnl.net.in
121.243.47.231	A	www.iijt.net
121.243.47.231	A	iijt.net
121.243.47.231	A	netap.in
121.243.47.238	A	associate.teamlease.com
121.243.47.241	PTR	121.243.47.241.static-bangalore.vsnl.net.in
121.243.47.241	A	teamlease.com
121.243.47.242	PTR	121.243.47.242.static-bangalore.vsnl.net.in
121.243.47.246	A	teamleaseuniversity.org