Robtex

Up: 176.50.208.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 176.50.216.0/22
Down right: 176.50.220.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
176.50.216.51	PTR	176.50.216-51.xdsl.ab.ru
176.50.216.234	PTR	176.50.216-234.xdsl.ab.ru
176.50.217.45	PTR	176.50.217-45.xdsl.ab.ru
176.50.218.6	PTR	176.50.218-6.xdsl.ab.ru
176.50.218.80	PTR	176.50.218-80.xdsl.ab.ru
176.50.218.145	PTR	176.50.218-145.xdsl.ab.ru
176.50.219.102	PTR	176.50.219-102.xdsl.ab.ru
176.50.220.72	PTR	176.50.220-72.xdsl.ab.ru
176.50.220.163	PTR	176.50.220-163.xdsl.ab.ru
176.50.220.177	PTR	176.50.220-177.xdsl.ab.ru
176.50.222.184	A	skmm.tk
176.50.223.37	PTR	176.50.223-37.xdsl.ab.ru
176.50.223.37	A	fbuz04.ru
176.50.223.37	A	fguz-ra.ru