Robtex

Up: 103.96.100.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 103.96.100.0/25
Down right: 103.96.100.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
103.96.100.2	A+PTR	smtp1-1.injectin.com
103.96.100.2	A	mails.pbmailer.com
103.96.100.3	A+PTR	ias3.indianastrologysoftware.com
103.96.100.4	A+PTR	smtp1-3.kitnapadega.com
103.96.100.4	A	mail.kitnapadega.com
103.96.100.20	PTR	smtp1-19.nutratimess.com
103.96.100.22	A+PTR	smtp1-21.injectin.com
103.96.100.26	A+PTR	smtp1-25.injectin.com
103.96.100.32	A+PTR	smtp2-1.pikup.in
103.96.100.32	A	astr.findastro.com
103.96.100.32	A	tracecampaigns.com
103.96.100.82	A+PTR	smtp2-1.nickscrew.com
103.96.100.82	A	mail.sendshub.com
103.96.100.82	A	m.mlktclick.com
103.96.100.85	A+PTR	smtp2-4.nickscrew.com
103.96.100.96	A+PTR	ias96.indianastrologysoftware.com
103.96.100.107	A+PTR	smtp2-26.nickscrew.com
103.96.100.130	A+PTR	mta963.130.fineimagination.com
103.96.100.132	PTR	tracemails.com
103.96.100.132	A	smtp1-1.givemecharge.com
103.96.100.132	A	givemecharge.com
103.96.100.145	A+PTR	smtp1-14.givemecharge.com
103.96.100.150	A+PTR	o150.mailer.thetrendyoffers.com
103.96.100.165	A+PTR	omp1-34.moneyviewmails.com
103.96.100.167	A+PTR	omp36.letkart.in
103.96.100.167	A	mail.letkart.in
103.96.100.169	PTR	smtp1-38.66bag.in
103.96.100.169	A	66bag.in
103.96.100.170	A+PTR	smtp1-39.66bag.in
103.96.100.170	A	66bag.in
103.96.100.177	PTR	prf-100177.puparolf.com
103.96.100.181	A+PTR	mta181.emails.marg-online.com
103.96.100.181	A	smtp1-50.givemecharge.com
103.96.100.194	A+PTR	smtp1-1.oyeby.com
103.96.100.194	A	cendmails.com
103.96.100.194	A	lakme-herbals.com
103.96.100.195	PTR	mta195.emails.marg-online.com
103.96.100.195	A	smtp1-2.oyeby.com
103.96.100.199	PTR	myp199.shoes499.com
103.96.100.208	PTR	y4w208.youth4work.biz
103.96.100.216	A+PTR	216.tb.tracebucks.com
103.96.100.216	A	ct.tracebucks.com
103.96.100.226	A+PTR	sap33.jack-threads.in
103.96.100.226	A	mails.jack-threads.in
103.96.100.234	A	insurefatafat.com
103.96.100.239	A+PTR	smtp1-46.oyeby.com
103.96.100.240	PTR	fb1.fabastro.com