Robtex

Up: 58.68.0.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 58.68.8.0/22
Down right: 58.68.12.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
58.68.8.1	PTR	abs-static-1.8.68.58.aircel.co.in
58.68.8.51	PTR	abs-static-51.8.68.58.aircel.co.in
58.68.8.187	PTR	abs-static-187.8.68.58.aircel.co.in
58.68.9.1	PTR	abs-static-1.9.68.58.aircel.co.in
58.68.9.2	PTR	abs-static-2.9.68.58.aircel.co.in
58.68.9.8	PTR	abs-static-8.9.68.58.aircel.co.in
58.68.9.18	PTR	abs-static-18.9.68.58.aircel.co.in
58.68.9.27	PTR	abs-static-27.9.68.58.aircel.co.in
58.68.9.75	PTR	abs-static-75.9.68.58.aircel.co.in
58.68.9.96	PTR	abs-static-96.9.68.58.aircel.co.in
58.68.9.106	PTR	abs-static-106.9.68.58.aircel.co.in
58.68.9.147	PTR	abs-static-147.9.68.58.aircel.co.in
58.68.9.249	PTR	abs-static-249.9.68.58.aircel.co.in
58.68.10.163	PTR	mail2.jeyaengg.in
58.68.11.10	PTR	abs-static-10.11.68.58.aircel.co.in
58.68.11.48	PTR	abs-static-48.11.68.58.aircel.co.in
58.68.11.81	PTR	abs-static-81.11.68.58.aircel.co.in
58.68.11.104	PTR	abs-static-104.11.68.58.aircel.co.in
58.68.11.113	PTR	abs-static-113.11.68.58.aircel.co.in
58.68.11.160	PTR	abs-static-160.11.68.58.aircel.co.in
58.68.11.177	PTR	abs-static-177.11.68.58.aircel.co.in
58.68.11.178	PTR	abs-static-178.11.68.58.aircel.co.in
58.68.11.216	PTR	abs-static-216.11.68.58.aircel.co.in
58.68.11.248	PTR	abs-static-248.11.68.58.aircel.co.in
58.68.12.2	PTR	abs-static-2.12.68.58.aircel.co.in
58.68.12.218	A+PTR	mumbai.chemetindia.com
58.68.12.224	PTR	abs-static-224.12.68.58.aircel.co.in
58.68.14.1	PTR	abs-static-1.14.68.58.aircel.co.in
58.68.14.16	PTR	abs-static-16.14.68.58.aircel.co.in
58.68.14.163	PTR	abs-static-163.14.68.58.aircel.co.in
58.68.14.187	PTR	abs-static-187.14.68.58.aircel.co.in
58.68.14.187	A	mail.hostech.in
58.68.15.154	PTR	abs-static-154.15.68.58.aircel.co.in
58.68.15.154	A	mail.greenwayknit.com
58.68.15.154	A	greenwayclothing.com