Robtex

Up: 31.41.32.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 31.41.32.0/25
Down right: 31.41.32.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
31.41.32.227	PTR	31-41-32-227.westcall.net
31.41.32.227	A	www.bishen.ru
31.41.32.231	PTR	31-41-32-231.westcall.net
31.41.32.231	A	palev.ru
31.41.32.231	A	xn--c1aewol.xn--p1ai
31.41.32.251	PTR	31-41-32-251.westcall.net
31.41.32.251	A	relay.mtouch.ru