Robtex

Up: 78.31.0.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 78.31.0.0/22
Down right: 78.31.4.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
78.31.0.5	A	linman.ru
78.31.0.5	A	mail.linman.ru
78.31.0.20	A+PTR	zavodsvet.ru
78.31.0.20	A	oikt.zavodsvet.ru
78.31.0.20	A	mail2.zavodsvet.ru
78.31.7.14	A	mail.mcrb.net
78.31.7.200	A	ns2.best18.ru
78.31.7.200	A	ns2.tele-set.net
78.31.7.250	A	opttextil.com
78.31.7.250	A	vmozhge.ru
78.31.7.250	A	relay.veshnyaki18.ru
78.31.7.251	PTR	ns.tele-set.net