Robtex

Up: 87.239.32.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 87.239.32.0/24
Down right: 87.239.33.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
87.239.32.0	PTR	0-32-pppoe.darnet.ru
87.239.32.17	PTR	17-32-pppoe.darnet.ru
87.239.32.106	PTR	106-32-pppoe.darnet.ru
87.239.32.131	PTR	131-32-pppoe.darnet.ru
87.239.32.134	PTR	134-32-pppoe.darnet.ru
87.239.32.179	PTR	179-32-pppoe.darnet.ru
87.239.32.202	PTR	www.darnet.ru
87.239.32.202	A	ns.dolgopa.info
87.239.32.202	A	atisit.ru
87.239.33.21	PTR	21-33-pppoe.darnet.ru