Robtex

Up: 125.19.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 125.19.128.0/20
Down right: 125.19.144.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
125.19.132.161	A	unifiedconferencing.airtel.in
125.19.132.181	PTR	mail.alankit.ae
125.19.132.181	PTR	mail.alankitonline.com
125.19.132.181	PTR	mail.geninsindia.com
125.19.133.234	A	indiacan.com
125.19.134.233	PTR	1and1.com
125.19.135.89	A	mail.in.airtel.com
125.19.135.93	A	4g.airtel.in
125.19.153.156	A+PTR	okaya.tk
125.19.153.156	A+PTR	microtekchd.tk
125.19.153.219	A+PTR	maildr.pspcl.in