Robtex

Up: 103.210.24.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 103.210.28.0/23
Down right: 103.210.30.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
103.210.28.6	PTR	host103-210-28-6.renubroadband.com
103.210.28.6	A	login.renubroadband.com
103.210.28.10	PTR	host103-210-28-10.renubroadband.com
103.210.28.18	A+PTR	dns1.renubroadband.com
103.210.28.18	A	rmainfotech.com
103.210.28.18	A	sp.renubroadband.com
103.210.28.21	A+PTR	dns2.renubroadband.com
103.210.28.34	PTR	mail.renubroadband.com
103.210.28.90	PTR	host103-210-28-90.renubroadband.com
103.210.28.250	A	billuse.com
103.210.28.251	PTR	host103-210-28-251.renubroadband.com
103.210.28.251	A	farrukhabad1.renubroadband.com
103.210.28.252	PTR	host103-210-28-252.renubroadband.com
103.210.28.252	A	splkh1.renubroadband.com
103.210.31.60	PTR	host103-210-31-60.renubroadband.com
103.210.31.149	PTR	host103-210-31-149.renubroadband.com
103.210.31.163	PTR	host103-210-31-163.renubroadband.com
103.210.31.229	PTR	host103-210-31-229.renubroadband.com