Robtex

Up: 182.75.40.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 182.75.44.0/23
Down right: 182.75.46.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
182.75.45.0	PTR	nsg-static-0.45.75.182-airtel.com
182.75.45.1	PTR	nsg-static-1.45.75.182-airtel.com
182.75.45.12	A	bits-hyderabad.ac.in
182.75.45.13	PTR	nsg-static-13.45.75.182-airtel.com
182.75.45.13	A	ishmt2017.com
182.75.45.55	A	vcse.snapdeal.com
182.75.45.56	PTR	nsg-static-56.45.75.182-airtel.com
182.75.45.56	A	skb.snapdeal.com
182.75.45.56	A	hrapps.snapdeal.com
182.75.45.57	A+PTR	mx.indiaecommercesurveys.com
182.75.45.224	PTR	nsg-static-224.45.75.182-airtel.com
182.75.46.106	PTR	nsg-static-106.46.75.182-airtel.com
182.75.46.106	A	phpwifi.com
182.75.46.106	A	mail.phpwifi.com
182.75.47.50	PTR	nsg-static-50.47.75.182-airtel.com
182.75.47.114	PTR	nsg-static-114.47.75.182-airtel.com
182.75.47.226	A	www.voicesnap.net