Robtex

Up: 103.52.176.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 103.52.180.0/23
Down right: 103.52.182.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
103.52.180.5	A+PTR	p2-10305.ncdelivery04.com
103.52.180.6	A+PTR	p2-10306.ncdelivery04.com
103.52.180.30	PTR	p2-10330.ncdelivery04.com
103.52.180.30	A	imgdd.ncmail.flymalindoair.com
103.52.180.30	A	imgdd.nc.telkom.co.id
103.52.180.105	A+PTR	subs105.alerts.shine.com
103.52.180.106	A+PTR	subs106.alerts.shine.com
103.52.180.110	PTR	mta8-110.ncdelivery04.com
103.52.180.110	A	p2-103110.ncdelivery04.com
103.52.180.118	A+PTR	mail118.emails.kitna-padega.com
103.52.180.119	A+PTR	mail119.emails.kitna-padega.com
103.52.180.131	A+PTR	ip131.nc.jobstreet.com
103.52.180.132	A+PTR	ip132.nc.jobstreet.com
103.52.180.138	A+PTR	p2-103138.ncdelivery04.com
103.52.180.143	A+PTR	p2-103143.ncdelivery04.com
103.52.180.170	A+PTR	mail170.subscribe.collegeduniamail.com
103.52.180.241	A+PTR	mail241.delivery.swiggy.in
103.52.180.242	A+PTR	mail242.delivery.swiggy.in
103.52.181.35	A+PTR	trans35.pepihost.com
103.52.181.71	PTR	p2-10371.ncdelivery01.com
103.52.181.71	A	mojocom.mailer.spinkmail.com
103.52.181.71	A	bankbazaar.list.touchbase2.com
103.52.181.72	PTR	p2-10372.ncdelivery04.com
103.52.181.72	A	lt.custmail.icicibank.com
103.52.181.72	A	custmail.icicibank.com
103.52.181.76	A	lt.trans.ftrans01.com
103.52.181.76	A	lnk.naukripakki.in
103.52.181.76	A	panela.grabrightnews.com
103.52.181.104	PTR	trans104.mailxy.com
103.52.181.126	A+PTR	126trans.pepitrans02.com
103.52.181.181	PTR	181-181.ncint01.com
103.52.181.182	PTR	182-182.ncint01.com
103.52.181.191	A+PTR	191.dmsgs.net
103.52.181.192	A+PTR	192.dmsgs.net
103.52.181.193	A+PTR	193.dmsgs.net
103.52.181.194	A+PTR	194.dmsgs.net
103.52.181.223	A+PTR	mail223.trans.pepitrans1.com
103.52.181.228	A+PTR	trans.228.pepitrans02.com
103.52.181.234	A	mail234.trans.pepitrans1.com
103.52.181.236	A	pepitrans3.com
103.52.182.52	PTR	mail52.pepihost.com
103.52.182.55	PTR	mail55.pepihost.com
103.52.182.163	PTR	mail163.pepihost.com
103.52.183.34	A+PTR	34.mailer.ideascost.com
103.52.183.81	A+PTR	81.mailer.mailnext.in
103.52.183.81	A	www.mailnext.in