Robtex

Up: 182.72.0.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 182.72.2.0/24
Down right: 182.72.3.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
182.72.2.2	PTR	nsg-static-002.2.72.182.airtel.in
182.72.2.16	PTR	nsg-static-016.2.72.182.airtel.in
182.72.2.28	PTR	nsg-static-028.2.72.182.airtel.in
182.72.2.32	PTR	nsg-static-032.2.72.182.airtel.in
182.72.2.34	PTR	nsg-static-034.2.72.182.airtel.in
182.72.2.35	PTR	nsg-static-035.2.72.182.airtel.in
182.72.2.53	PTR	nsg-static-053.2.72.182.airtel.in
182.72.2.66	PTR	nsg-static-066.2.72.182.airtel.in
182.72.2.69	PTR	nsg-static-069.2.72.182.airtel.in
182.72.2.76	PTR	nsg-static-076.2.72.182.airtel.in
182.72.2.81	PTR	nsg-static-081.2.72.182.airtel.in
182.72.2.81	A	www.kmdastur.com
182.72.2.81	A	kmdastur.com
182.72.2.82	A+PTR	mumbai.kmdastur.com
182.72.2.87	PTR	nsg-static-087.2.72.182.airtel.in
182.72.2.143	PTR	nsg-static-143.2.72.182.airtel.in
182.72.2.149	PTR	nsg-static-149.2.72.182.airtel.in
182.72.2.159	PTR	nsg-static-159.2.72.182.airtel.in
182.72.2.166	PTR	nsg-static-166.2.72.182.airtel.in
182.72.2.174	PTR	nsg-static-174.2.72.182.airtel.in
182.72.2.184	PTR	nsg-static-184.2.72.182.airtel.in
182.72.2.185	PTR	nsg-static-185.2.72.182.airtel.in
182.72.2.202	PTR	nsg-static-202.2.72.182.airtel.in
182.72.2.210	PTR	nsg-static-210.2.72.182.airtel.in
182.72.2.224	PTR	nsg-static-224.2.72.182.airtel.in
182.72.2.240	PTR	nsg-static-240.2.72.182.airtel.in
182.72.3.10	PTR	nsg-static-010.3.72.182.airtel.in
182.72.3.10	A	mx4.askinvestmentmanagers.com
182.72.3.10	A	mx4.askfinancials.com
182.72.3.11	PTR	nsg-static-011.3.72.182.airtel.in
182.72.3.13	PTR	nsg-static-013.3.72.182.airtel.in
182.72.3.31	PTR	nsg-static-031.3.72.182.airtel.in
182.72.3.42	PTR	mscindia.in
182.72.3.42	PTR	inddom02.com
182.72.3.42	PTR	mscindia.com
182.72.3.48	PTR	nsg-static-048.3.72.182.airtel.in
182.72.3.50	A	kruplmail.rahejauniversal.com
182.72.3.51	A	webmail.krahejauniversal.com
182.72.3.52	A	mail1.krahejauniversal.com
182.72.3.52	A	mymail.rahejauniversal.com
182.72.3.52	A	mail1.krahejaindia.com
182.72.3.53	PTR	nsg-static-053.3.72.182.airtel.in
182.72.3.77	PTR	nsg-static-077.3.72.182.airtel.in
182.72.3.84	PTR	nsg-static-084.3.72.182.airtel.in
182.72.3.90	PTR	nsg-static-090.3.72.182.airtel.in
182.72.3.91	PTR	nsg-static-091.3.72.182.airtel.in
182.72.3.114	PTR	nsg-static-114.3.72.182.airtel.in
182.72.3.117	PTR	nsg-static-117.3.72.182.airtel.in
182.72.3.119	PTR	nsg-static-119.3.72.182.airtel.in
182.72.3.128	PTR	nsg-static-128.3.72.182.airtel.in
182.72.3.149	PTR	nsg-static-149.3.72.182.airtel.in
182.72.3.162	PTR	mail1.halomediaworks.com
182.72.3.162	PTR	halomediaworks.com
182.72.3.162	PTR	mail.jaincotech.com
182.72.3.165	A	mail5.proimageeditors.co.uk
182.72.3.169	PTR	nsg-static-169.3.72.182.airtel.in
182.72.3.187	PTR	nsg-static-187.3.72.182.airtel.in
182.72.3.235	PTR	nsg-static-235.3.72.182.airtel.in
182.72.3.247	A	mail.indeus.in