Robtex

Up: 182.71.56.0/21
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Down left: 182.71.56.0/23
Down right: 182.71.58.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
182.71.56.1	PTR	nsg-static-001.56.71.182.airtel.in
182.71.56.13	PTR	nsg-static-013.56.71.182.airtel.in
182.71.56.56	PTR	nsg-static-056.56.71.182.airtel.in
182.71.56.77	PTR	mail.twx.co.in
182.71.56.78	PTR	mail.twx.co.in
182.71.56.80	PTR	nsg-static-080.56.71.182.airtel.in
182.71.56.117	PTR	nsg-static-117.56.71.182.airtel.in
182.71.56.129	PTR	seahorsegroup.co.in
182.71.56.130	PTR	seahorsegroup.co.in
182.71.56.144	PTR	nsg-static-144.56.71.182.airtel.in
182.71.56.145	PTR	nsg-static-145.56.71.182.airtel.in
182.71.56.152	PTR	nsg-static-152.56.71.182.airtel.in
182.71.56.159	PTR	nsg-static-159.56.71.182.airtel.in
182.71.56.161	PTR	nsg-static-161.56.71.182.airtel.in
182.71.56.175	PTR	nsg-static-175.56.71.182.airtel.in
182.71.56.178	A	indagerp.com
182.71.56.186	PTR	pop.1and1.co.uk
182.71.56.186	PTR	auth.smtp.1and1.co.uk
182.71.56.206	PTR	nsg-static-206.56.71.182.airtel.in
182.71.56.233	PTR	nsg-static-233.56.71.182.airtel.in
182.71.56.241	PTR	nsg-static-241.56.71.182.airtel.in
182.71.56.242	PTR	nsg-static-242.56.71.182.airtel.in
182.71.56.246	PTR	nsg-static-246.56.71.182.airtel.in
182.71.57.26	PTR	nsg-static-026.57.71.182.airtel.in
182.71.57.43	PTR	nsg-static-043.57.71.182.airtel.in
182.71.57.44	PTR	nsg-static-044.57.71.182.airtel.in
182.71.57.54	PTR	nsg-static-054.57.71.182.airtel.in
182.71.57.90	PTR	nsg-static-090.57.71.182.airtel.in
182.71.57.97	PTR	nsg-static-097.57.71.182.airtel.in
182.71.57.119	PTR	nsg-static-119.57.71.182.airtel.in
182.71.57.136	PTR	nsg-static-136.57.71.182.airtel.in
182.71.57.210	PTR	nsg-static-210.57.71.182.airtel.in
182.71.58.10	PTR	nsg-static-010.58.71.182.airtel.in
182.71.58.18	PTR	nsg-static-018.58.71.182.airtel.in
182.71.58.24	PTR	nsg-static-024.58.71.182.airtel.in
182.71.58.38	PTR	mail.veneratech.com
182.71.58.61	PTR	nsg-static-061.58.71.182.airtel.in
182.71.58.181	PTR	nsg-static-181.58.71.182.airtel.in
182.71.58.222	PTR	leadsgen.com
182.71.58.222	PTR	opuinfo.com
182.71.58.222	PTR	opusinfo.com
182.71.58.255	PTR	nsg-static-255.58.71.182.airtel.in
182.71.59.50	A	mail.shivalikprints.com
182.71.59.59	PTR	nsg-static-059.59.71.182.airtel.in
182.71.59.82	PTR	nsg-static-082.59.71.182.airtel.in
182.71.59.82	A	agllounge.com
182.71.59.154	A+PTR	mail.shilpicabletech.com
182.71.59.154	A+PTR	mail.jhunsons.com