Robtex

Up: 89.221.48.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 89.221.49.0/25
Down right: 89.221.49.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
89.221.49.13	A+PTR	mail.vsemsklad.ru
89.221.49.26	A+PTR	mail.solomon-rus.com
89.221.49.26	A	mx.solomon-rus.com
89.221.49.68	A+PTR	smp-595.ch.govorit.ru
89.221.49.68	A	smp-595.com
89.221.49.83	A+PTR	mx1.unikma.ru
89.221.49.123	A	clubcdl.ch.govorit.ru
89.221.49.134	PTR	mail.4inet.ru
89.221.49.164	A+PTR	ayjay.ch.govorit.ru
89.221.49.164	A	smtp.igishop.ru
89.221.49.164	A	m.igi.ru
89.221.49.197	PTR	mail.mjr.ru
89.221.49.210	PTR	mx.cafemumu.ru
89.221.49.210	A	imap.maison-dellos.com
89.221.49.211	A	mx1.testmaison.ru
89.221.49.212	A+PTR	mx2.maison-dellos.com
89.221.49.218	PTR	turandotnew9.ch.govorit.ru
89.221.49.220	PTR	mx3.maison-dellos.com
89.221.49.226	A+PTR	mx2.artpole.ru
89.221.49.234	PTR	mail.skmg.ru
89.221.49.253	PTR	bezopasn4.ch.govorit.ru
89.221.49.253	A	pochta3.bezopasnost.ru
89.221.49.253	A	pochta2.zg.bezopasnost.ru
89.221.49.254	A+PTR	bezopasn5.ch.govorit.ru
89.221.49.254	A	pochta4.bezopasnost.ru