Robtex

Up: 221.135.136.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 221.135.138.0/24
Down right: 221.135.139.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
221.135.138.0	PTR	221-135-138-0.sify.net
221.135.138.76	A	legacy.sudlife.in
221.135.138.77	A+PTR	mail2.sudlife.in
221.135.138.136	PTR	221-135-138-136.sify.net
221.135.138.136	A	chevycentral.in
221.135.138.136	A	www.chevycentral.in
221.135.138.195	A	mpower.rechargeitnow.com
221.135.138.197	A	wwwz.rechargeitnow.com
221.135.138.200	A	wwwa.rechargeitnow.com
221.135.138.204	A	power.rechargeitnow.com
221.135.138.205	A	wwwc.rechargeitnow.com
221.135.138.209	A	trainertree.com
221.135.138.210	A+PTR	smtp.rechargeitnow.net
221.135.138.210	A	rechargeitnow.net
221.135.138.216	A	rechargeitnow.in
221.135.138.216	A	edupaynow.com
221.135.138.216	A	rechargeitnow.info
221.135.138.217	A	si.rechargeitnow.com
221.135.138.220	A	pg.rechargeitnow.com
221.135.138.220	A	airtel.rechargeitnow.com
221.135.138.250	PTR	apps.hdfclife.com
221.135.138.251	PTR	qlikinsights.hdfclife.com
221.135.138.255	PTR	221-135-138-255.sify.net
221.135.139.43	PTR	221-135-139-43.sify.net
221.135.139.43	A	agspartner.com
221.135.139.44	PTR	221-135-139-44.sify.net
221.135.139.66	A	vpn.saharaqshop.com
221.135.139.70	PTR	www.saharaqshop.com
221.135.139.100	PTR	221-135-139-100.sify.net
221.135.139.108	A	www.bytzsoft.in
221.135.139.109	A	bytzsoft.net
221.135.139.115	PTR	221-135-139-115.sify.net
221.135.139.115	A	studyebuddy.com
221.135.139.122	PTR	221-135-139-122.sify.net
221.135.139.137	PTR	221-135-139-137.sify.net
221.135.139.137	A	coruscant.co.in
221.135.139.138	A	naxworld.com
221.135.139.138	A	www.naxworld.com
221.135.139.146	PTR	221-135-139-146.sify.net
221.135.139.146	A	ncpacc.in
221.135.139.146	A	www.palavacity.in
221.135.139.147	PTR	221-135-139-147.sify.net
221.135.139.150	PTR	mail1.alltimeit.com
221.135.139.150	A	alltimeit.com
221.135.139.152	PTR	221-135-139-152.sify.net
221.135.139.152	A	altis.co.in
221.135.139.154	PTR	221-135-139-154.sify.net
221.135.139.201	PTR	221-135-139-201.sify.net
221.135.139.201	A	zee.esselgroup.com
221.135.139.252	PTR	221-135-139-252.sify.net
221.135.139.253	PTR	221-135-139-253.sify.net
221.135.139.253	A	mx3.agsindia.com
221.135.139.254	PTR	221-135-139-254.sify.net
221.135.139.254	A	mx4.agsindia.com