Robtex

Up: 91.194.120.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 91.194.121.0/25
Down right: 91.194.121.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
91.194.121.2	A+PTR	voip1.sprintinet.ru
91.194.121.2	A+PTR	vpn.sprintinet.ru
91.194.121.4	PTR	ns1.sprintinet.ru
91.194.121.4	A	ns1.novoholod.ru
91.194.121.5	A	16may2014.ru
91.194.121.5	A	iptv.sprintinet.ru
91.194.121.5	A	xn--162014-4nf9g6h.xn--p1ai
91.194.121.6	A	portal.sprintinet.ru
91.194.121.7	PTR	new.sprintinet.ru
91.194.121.7	A	sprint-inet.ru
91.194.121.7	A	www.nvrnet.ru
91.194.121.11	A+PTR	mail.sprintinet.ru
91.194.121.11	A	www.nvrnet.ru
91.194.121.11	A	jabber.sprintinet.ru
91.194.121.13	A+PTR	sip.sprintinet.ru
91.194.121.59	A	mail.wilhelmsen.ru
91.194.121.106	A+PTR	mx1.wharf-e.ru
91.194.121.146	A	mail.pozitronika.biz