Robtex

Up: 139.255.192.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 139.255.192.0/22
Down right: 139.255.196.0/22

IP	Type	Hostname
139.255.192.33	PTR	ln-static-139-255-192-33.link.net.id
139.255.192.85	PTR	ln-static-139-255-192-85.link.net.id
139.255.192.252	PTR	ln-static-139-255-192-252.link.net.id
139.255.193.109	PTR	ln-static-139-255-193-109.link.net.id
139.255.193.132	PTR	ln-static-139-255-193-132.link.net.id
139.255.193.153	PTR	ln-static-139-255-193-153.link.net.id
139.255.193.162	PTR	ln-static-139-255-193-162.link.net.id
139.255.193.197	PTR	ln-static-139-255-193-197.link.net.id
139.255.193.200	PTR	ln-static-139-255-193-200.link.net.id
139.255.193.230	PTR	ln-static-139-255-193-230.link.net.id
139.255.193.231	PTR	ln-static-139-255-193-231.link.net.id
139.255.194.22	PTR	ln-static-139-255-194-22.link.net.id
139.255.194.121	PTR	ln-static-139-255-194-121.link.net.id
139.255.194.177	PTR	ln-static-139-255-194-177.link.net.id
139.255.195.63	PTR	ln-static-139-255-195-63.link.net.id
139.255.195.100	PTR	ln-static-139-255-195-100.link.net.id
139.255.195.241	PTR	ln-static-139-255-195-241.link.net.id
139.255.196.19	PTR	ln-static-139-255-196-19.link.net.id
139.255.196.22	PTR	ln-static-139-255-196-22.link.net.id
139.255.196.163	PTR	ln-static-139-255-196-163.link.net.id
139.255.196.220	PTR	ln-static-139-255-196-220.link.net.id
139.255.197.238	PTR	ln-static-139-255-197-238.link.net.id