Robtex

Up: 145.249.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 145.249.32.0/22
Down right: 145.249.36.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
145.249.32.3	PTR	dialup.fps.ru
145.249.32.3	PTR	mail.fps.ru
145.249.32.3	PTR	ns.fps.ru
145.249.32.4	A	mail.fps.ru
145.249.32.4	A	smtp.fps.ru
145.249.32.4	A	pop3.fps.ru
145.249.32.12	PTR	upo-206.fps.ru
145.249.32.12	A	cache.fps.ru