Robtex

Up: 221.135.128.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 221.135.132.0/23
Down right: 221.135.134.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
221.135.132.0	PTR	221-135-132-0.sify.net
221.135.132.13	PTR	221-135-132-13.sify.net
221.135.132.13	A	www.lodhavms.com
221.135.132.13	A	mail.lodhavms.com
221.135.132.25	A+PTR	mail.lodhagroup.com
221.135.132.28	PTR	221-135-132-28.sify.net
221.135.132.28	A	www.lodhaconnect.com
221.135.132.28	A	www.lodhahr.com
221.135.132.31	PTR	221-135-132-31.sify.net
221.135.132.39	A	lodhacareers.com
221.135.132.39	A	lodhahiring.com
221.135.132.45	A	lodhavms.com
221.135.132.56	A	mypalava.in
221.135.132.100	PTR	221-135-132-100.sify.net
221.135.132.100	A	rechargeitnow.com
221.135.132.100	A	www.rechargeitnow.com
221.135.132.101	A+PTR	mail.rechargeitnow.net
221.135.132.103	PTR	221-135-132-103.sify.net
221.135.132.107	A	ticket.rechargeitnow.com
221.135.132.116	A+PTR	mail1.sudlife.in
221.135.132.116	A	autodiscover.sudlife.in
221.135.132.116	A	mail.sudlife.in
221.135.132.117	PTR	221-135-132-117.sify.net
221.135.132.255	PTR	221-135-132-255.sify.net
221.135.133.21	A	www.globalfoundation.in
221.135.134.20	PTR	221-135-134-20.sify.net
221.135.134.20	A	webmail.vodafone.in
221.135.134.21	PTR	221-135-134-21.sify.net
221.135.134.21	A	mail.vodafone.in
221.135.134.24	PTR	221-135-134-24.sify.net
221.135.134.66	PTR	221-135-134-66.sify.net
221.135.134.66	A	dialforhelp.in
221.135.134.131	PTR	221-135-134-131.sify.net
221.135.134.131	A	evoerecuritment.vodafone.in
221.135.134.190	PTR	221-135-134-190.sify.net
221.135.134.215	PTR	221-135-134-215.sify.net
221.135.135.14	A	futurebazzar.com
221.135.135.21	PTR	221-135-135-21.sify.net
221.135.135.21	A	msalestest.vodafone.in
221.135.135.32	PTR	221-135-135-32.sify.net
221.135.135.255	PTR	221-135-135-255.sify.net