Robtex

Up: 78.37.80.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 78.37.80.0/23
Down right: 78.37.82.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
78.37.80.2	A	mx1.vorkuta.ru
78.37.80.2	A	mx1.vorkuta.com
78.37.80.2	A	bilbo.vorkuta.com
78.37.80.7	A	vorkuta.com
78.37.82.2	A	hotspot.syktsu.ru
78.37.82.4	A	syktsu.ru
78.37.82.4	A	www.syktsu.ru
78.37.82.5	A	library.syktsu.ru
78.37.82.5	A	itnit.syktsu.ru
78.37.82.8	A	ns.syktsu.ru
78.37.83.34	A	dns1.sevnb.ru
78.37.83.34	A	sevnb.ru
78.37.83.34	A	dns.sevnb.ru