Robtex

Up: 89.189.128.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 89.189.128.0/25
Down right: 89.189.128.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
89.189.128.0	A+PTR	89.189.128.0.static.ufanet.ru
89.189.128.22	A	89.189.128.22.static.ufanet.ru
89.189.128.32	A+PTR	89.189.128.32.static.ufanet.ru
89.189.128.38	A+PTR	mailgw1.alsar.ru
89.189.128.38	A	mailgw2.fitness3000.ru
89.189.128.38	A	mailgw2.bani3000.ru
89.189.128.48	PTR	89.189.128.48.static.ufanet.ru
89.189.128.134	PTR	gimal.ru
89.189.128.154	PTR	mail.avufa.ru
89.189.128.184	A	89.189.128.184.static.ufanet.ru
89.189.128.184	A	bashzerno.com
89.189.128.203	A+PTR	89.189.128.203.static.ufanet.ru
89.189.128.231	A+PTR	89.189.128.231.static.ufanet.ru
89.189.128.231	A	mx.tdbashspirt.ru