Robtex

Up: 87.249.38.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 87.249.39.0/25
Down right: 87.249.39.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
87.249.39.74	PTR	spbtele7.ru
87.249.39.78	PTR	mail.egp.spb.ru
87.249.39.106	PTR	mail.pss.spb.ru
87.249.39.230	PTR	gw2.albion-sp.ru
87.249.39.230	A	ns2.gcie.ru
87.249.39.230	A	ns2.magoil.net
87.249.39.242	PTR	ip-242.39.249.87.net.unnet.ru