Robtex

Up: 139.255.192.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 139.255.208.0/21
Down right: 139.255.216.0/21

IP	Type	Hostname
139.255.209.38	PTR	ln-static-139-255-209-38.link.net.id
139.255.210.1	PTR	ln-static-139-255-210-1.link.net.id
139.255.210.33	PTR	ln-static-139-255-210-33.link.net.id
139.255.210.35	PTR	ln-static-139-255-210-35.link.net.id
139.255.210.64	PTR	ln-static-139-255-210-64.link.net.id
139.255.210.83	PTR	ln-static-139-255-210-83.link.net.id
139.255.210.96	PTR	ln-static-139-255-210-96.link.net.id
139.255.210.98	PTR	ln-static-139-255-210-98.link.net.id
139.255.210.210	PTR	ln-static-139-255-210-210.link.net.id
139.255.210.227	PTR	ln-static-139-255-210-227.link.net.id
139.255.212.54	PTR	ln-static-139-255-212-54.link.net.id
139.255.212.185	PTR	ln-static-139-255-212-185.link.net.id
139.255.213.120	PTR	ln-static-139-255-213-120.link.net.id
139.255.213.121	PTR	ln-static-139-255-213-121.link.net.id
139.255.214.162	PTR	ln-static-139-255-214-162.link.net.id
139.255.214.178	PTR	ln-static-139-255-214-178.link.net.id
139.255.215.27	PTR	ln-static-139-255-215-27.link.net.id
139.255.215.40	PTR	ln-static-139-255-215-40.link.net.id
139.255.215.45	PTR	ln-static-139-255-215-45.link.net.id
139.255.216.71	PTR	ln-static-139-255-216-71.link.net.id
139.255.216.111	PTR	ln-static-139-255-216-111.link.net.id
139.255.218.93	PTR	ln-static-139-255-218-93.link.net.id
139.255.219.44	PTR	ln-static-139-255-219-44.link.net.id
139.255.219.147	PTR	ln-static-139-255-219-147.link.net.id
139.255.219.160	PTR	ln-static-139-255-219-160.link.net.id
139.255.219.201	PTR	ln-static-139-255-219-201.link.net.id
139.255.223.1	PTR	ln-static-139-255-223-1.link.net.id