Robtex

Up: 87.249.212.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 87.249.212.0/25
Down right: 87.249.212.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
87.249.212.26	A	mail.lotos74.ru
87.249.212.26	A	mx.lotos74.ru
87.249.212.82	A+PTR	mail.1obl.ru
87.249.212.82	A	bfm74.ru
87.249.212.82	A	24.1obl.ru
87.249.212.130	A	mx.profnasteel.ru
87.249.212.146	A+PTR	mail1.ruslada.ru
87.249.212.146	A	mail.ruslada.ru
87.249.212.146	A	mail.sunny-land.ru
87.249.212.166	A	mail1.chzto74.ru
87.249.212.170	A	ns2.zferma.com
87.249.212.182	A+PTR	mail.nikmas.ru
87.249.212.182	A	mail.xn--80apgic2a.xn--p1ai
87.249.212.182	A	ns1.nikmas.ru
87.249.212.218	A	srv.uralton.ru
87.249.212.218	A	srv.t1.ru
87.249.212.218	A	mail.uralton.ru
87.249.212.242	PTR	mailnew.uralgufk.ru