Robtex

Up: 180.151.48.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 180.151.56.0/22
Down right: 180.151.60.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
180.151.56.34	PTR	bestcrompton.com
180.151.56.35	PTR	exchange.bestcrompton.com
180.151.56.36	PTR	mail.bestcrompton.com
180.151.56.99	PTR	pool-180.151.56.rev.spectranet.in
180.151.56.101	A	demo.xerago.com
180.151.56.132	PTR	180.151.56.132.reverse.spectranet.in
180.151.56.132	A	nimbylz.com
180.151.56.199	PTR	180.151.56.199.reverse.spectranet.in
180.151.56.199	A	ftexchange.ftbpo.com
180.151.57.214	PTR	vps-india.com
180.151.57.214	A	mail1.vps-india.com
180.151.57.215	PTR	vps-india.com
180.151.58.3	A+PTR	antispam1.bhelmpc.co.in
180.151.58.4	PTR	antispam1.bhelmpc.co.in
180.151.58.4	A+PTR	smtpout.bhelmpc.co.in
180.151.58.4	PTR	webmail.bhelmpc.co.in
180.151.58.5	PTR	180.151.58.5.reverse.spectranet.in
180.151.58.211	PTR	180.151.58.211.reverse.spectranet.in
180.151.58.211	A	mail.vshospitals.com
180.151.60.97	PTR	180.151.60.97.reverse.spectranet.in
180.151.60.98	PTR	180.151.60.98.reverse.spectranet.in
180.151.61.43	PTR	180.151.61.43.reverse.spectranet.in
180.151.61.58	PTR	180.151.61.58.reverse.spectranet.in
180.151.61.84	A	iiel.in
180.151.61.154	PTR	180.151.61.154.reverse.spectranet.in
180.151.61.231	PTR	180.151.61.231.reverse.spectranet.in
180.151.61.231	A	mx.blazedream.in
180.151.61.233	PTR	180.151.61.233.reverse.spectranet.in
180.151.61.233	A	www.srisankaraschools.org
180.151.61.233	A	unisignindia.com
180.151.61.236	PTR	180.151.61.236.reverse.spectranet.in
180.151.61.237	A	dev.blazedream.in
180.151.62.26	PTR	openwavecomp.in
180.151.62.34	PTR	180.151.62.34.reverse.spectranet.in
180.151.62.123	PTR	180.151.62.123.reverse.spectranet.in
180.151.63.138	PTR	180.151.63.138.reverse.spectranet.in
180.151.63.173	PTR	180.151.63.173.reverse.spectranet.in
180.151.63.173	A	app03_farm01.s4carlisle.com
180.151.63.173	A	s4carlisle.com