Robtex

Up: 87.249.44.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 87.249.45.0/25
Down right: 87.249.45.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
87.249.45.33	PTR	nwlink.spb.ru
87.249.45.34	PTR	pulkov.spb.ru
87.249.45.128	PTR	ip-128.45.249.87.net.unnet.ru
87.249.45.131	PTR	ip-131.45.249.87.net.unnet.ru
87.249.45.134	A+PTR	mail.waveaccess.ru
87.249.45.135	PTR	ip-135.45.249.87.net.unnet.ru
87.249.45.135	A	ns1.waveaccess.ru
87.249.45.135	A	gateway.waveaccess.ru
87.249.45.151	A	consulting4crm.com
87.249.45.155	PTR	ip-155.45.249.87.net.unnet.ru
87.249.45.155	A	solfed.us
87.249.45.155	A	www.solfed.biz
87.249.45.166	A	33admina.com
87.249.45.180	A+PTR	router.gpsm.ru
87.249.45.195	PTR	office.etersoft.ru