Robtex

Up: 120.138.192.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 120.138.196.0/23
Down right: 120.138.198.0/23

IP	Type	Hostname
120.138.196.39	PTR	dns15.parkpage.foundationapi.com
120.138.196.113	PTR	piin196113.pacific.net.in
120.138.196.165	PTR	dns15.parkpage.foundationapi.com
120.138.196.181	PTR	dns15.parkpage.foundationapi.com
120.138.196.190	PTR	dns15.parkpage.foundationapi.com
120.138.196.193	PTR	piin196193.pacific.net.in
120.138.196.226	PTR	piin196226.pacific.net.in
120.138.197.194	PTR	piin197194.pacific.net.in
120.138.197.240	PTR	dns15.parkpage.foundationapi.com
120.138.198.61	PTR	dns15.parkpage.foundationapi.com
120.138.198.155	PTR	piin198155.pacific.net.in
120.138.198.237	PTR	dns15.parkpage.foundationapi.com