Robtex

Up: 59.165.240.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 59.165.248.0/22
Down right: 59.165.252.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
59.165.248.40	PTR	59.165.248.40.man-static.vsnl.net.in
59.165.248.48	PTR	59.165.248.48.man-static.vsnl.net.in
59.165.248.50	PTR	59.165.248.50.man-static.vsnl.net.in
59.165.248.131	PTR	59.165.248.131.man-static.vsnl.net.in
59.165.248.250	PTR	59.165.248.250.man-static.vsnl.net.in
59.165.249.16	PTR	59.165.249.16.man-static.vsnl.net.in
59.165.249.34	PTR	59.165.249.34.man-static.vsnl.net.in
59.165.249.42	PTR	59.165.249.42.man-static.vsnl.net.in
59.165.249.97	PTR	59.165.249.97.man-static.vsnl.net.in
59.165.249.98	PTR	59.165.249.98.man-static.vsnl.net.in
59.165.249.107	A+PTR	mail1.bialairport.com
59.165.249.108	A	mail.bialairport.com
59.165.249.121	PTR	59.165.249.121.man-static.vsnl.net.in
59.165.249.123	PTR	59.165.249.123.man-static.vsnl.net.in
59.165.249.176	PTR	59.165.249.176.man-static.vsnl.net.in
59.165.249.225	PTR	59.165.249.225.man-static.vsnl.net.in
59.165.249.241	PTR	59.165.249.241.man-static.vsnl.net.in
59.165.250.2	PTR	59.165.250.2.man-static.vsnl.net.in
59.165.250.19	PTR	59.165.250.19.man-static.vsnl.net.in
59.165.250.24	PTR	59.165.250.24.man-static.vsnl.net.in
59.165.250.25	PTR	59.165.250.25.man-static.vsnl.net.in
59.165.250.33	PTR	59.165.250.33.man-static.vsnl.net.in
59.165.250.58	PTR	59.165.250.58.man-static.vsnl.net.in
59.165.250.80	PTR	59.165.250.80.man-static.vsnl.net.in
59.165.250.89	PTR	59.165.250.89.man-static.vsnl.net.in
59.165.250.90	PTR	59.165.250.90.man-static.vsnl.net.in
59.165.250.97	PTR	59.165.250.97.man-static.vsnl.net.in
59.165.250.105	PTR	59.165.250.105.man-static.vsnl.net.in
59.165.250.106	PTR	59.165.250.106.man-static.vsnl.net.in
59.165.250.113	PTR	59.165.250.113.man-static.vsnl.net.in
59.165.250.114	PTR	59.165.250.114.man-static.vsnl.net.in
59.165.250.122	PTR	59.165.250.122.man-static.vsnl.net.in
59.165.250.144	PTR	59.165.250.144.man-static.vsnl.net.in
59.165.250.147	PTR	59.165.250.147.man-static.vsnl.net.in
59.165.250.154	PTR	59.165.250.154.man-static.vsnl.net.in
59.165.250.162	PTR	59.165.250.162.man-static.vsnl.net.in
59.165.250.171	PTR	59.165.250.171.man-static.vsnl.net.in
59.165.250.226	PTR	59.165.250.226.man-static.vsnl.net.in
59.165.250.232	PTR	59.165.250.232.man-static.vsnl.net.in
59.165.250.233	PTR	59.165.250.233.man-static.vsnl.net.in
59.165.250.235	PTR	59.165.250.235.man-static.vsnl.net.in
59.165.251.24	PTR	59.165.251.24.man-static.vsnl.net.in
59.165.251.27	PTR	59.165.251.27.man-static.vsnl.net.in
59.165.251.32	PTR	59.165.251.32.man-static.vsnl.net.in
59.165.251.50	PTR	59.165.251.50.man-static.vsnl.net.in
59.165.251.57	PTR	59.165.251.57.man-static.vsnl.net.in
59.165.251.59	PTR	59.165.251.59.man-static.vsnl.net.in
59.165.251.74	PTR	59.165.251.74.man-static.vsnl.net.in
59.165.251.98	PTR	59.165.251.98.man-static.vsnl.net.in
59.165.251.100	A	auth.applabs.com
59.165.251.100	A	university.applabs.com
59.165.251.100	A	spam.applabs.com
59.165.251.112	PTR	59.165.251.112.man-static.vsnl.net.in
59.165.251.120	A+PTR	mail.applabs.com
59.165.251.128	PTR	59.165.251.128.man-static.vsnl.net.in
59.165.251.130	PTR	59.165.251.130.man-static.vsnl.net.in
59.165.251.136	PTR	59.165.251.136.man-static.vsnl.net.in
59.165.251.169	PTR	59.165.251.169.man-static.vsnl.net.in
59.165.251.179	PTR	59.165.251.179.man-static.vsnl.net.in
59.165.251.184	PTR	59.165.251.184.man-static.vsnl.net.in
59.165.251.185	PTR	59.165.251.185.man-static.vsnl.net.in
59.165.251.200	PTR	59.165.251.200.man-static.vsnl.net.in
59.165.251.208	PTR	59.165.251.208.man-static.vsnl.net.in
59.165.251.225	PTR	59.165.251.225.man-static.vsnl.net.in
59.165.251.242	PTR	59.165.251.242.man-static.vsnl.net.in
59.165.253.1	PTR	59.165.253.1.man-static.vsnl.net.in
59.165.254.17	PTR	59.165.254.17.man-static.vsnl.net.in
59.165.254.57	PTR	59.165.254.57.man-static.vsnl.net.in
59.165.254.59	PTR	59.165.254.59.man-static.vsnl.net.in
59.165.254.64	PTR	59.165.254.64.man-static.vsnl.net.in
59.165.254.72	PTR	59.165.254.72.man-static.vsnl.net.in
59.165.254.115	PTR	59.165.254.115.man-static.vsnl.net.in
59.165.254.144	PTR	59.165.254.144.man-static.vsnl.net.in
59.165.254.171	PTR	59.165.254.171.man-static.vsnl.net.in
59.165.254.184	PTR	59.165.254.184.man-static.vsnl.net.in
59.165.254.211	PTR	59.165.254.211.man-static.vsnl.net.in
59.165.254.232	PTR	59.165.254.232.man-static.vsnl.net.in
59.165.254.248	PTR	59.165.254.248.man-static.vsnl.net.in
59.165.255.25	PTR	59.165.255.25.man-static.vsnl.net.in
59.165.255.26	PTR	59.165.255.26.man-static.vsnl.net.in
59.165.255.57	PTR	59.165.255.57.man-static.vsnl.net.in
59.165.255.89	PTR	59.165.255.89.man-static.vsnl.net.in
59.165.255.91	PTR	59.165.255.91.man-static.vsnl.net.in
59.165.255.107	PTR	59.165.255.107.man-static.vsnl.net.in
59.165.255.114	PTR	59.165.255.114.man-static.vsnl.net.in
59.165.255.115	PTR	59.165.255.115.man-static.vsnl.net.in
59.165.255.128	PTR	59.165.255.128.man-static.vsnl.net.in
59.165.255.144	PTR	59.165.255.144.man-static.vsnl.net.in
59.165.255.208	PTR	59.165.255.208.man-static.vsnl.net.in
59.165.255.232	PTR	59.165.255.232.man-static.vsnl.net.in
59.165.255.235	PTR	59.165.255.235.man-static.vsnl.net.in