Robtex

Up: 203.199.48.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.199.49.0/25
Down right: 203.199.49.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.199.49.1	PTR	bsewebx.com
203.199.49.64	A	webmail.bseindia.com
203.199.49.72	PTR	mx01.useindia.com
203.199.49.73	A	email.bseindia.com
203.199.49.77	PTR	ns2.bseindia.com
203.199.49.78	PTR	dns.bseindia.com
203.199.49.80	PTR	webmail.bseindia.com
203.199.49.102	A	test.bseindia.com
203.199.49.113	A+PTR	mail.bseindia.com
203.199.49.113	A	mx01.indiaicc.com
203.199.49.113	A	mx01.indiainx.com
203.199.49.114	A+PTR	mail.bseindia.com
203.199.49.114	A	mx02.indiainx.com
203.199.49.114	A	mx02.bseicc.com
203.199.49.119	PTR	blackberry1.bseindia.com