Robtex

Up: 79.136.208.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 79.136.216.0/22
Down right: 79.136.220.0/22

IP	Type	Hostname
79.136.216.10	PTR	unlim.fast70net.ru
79.136.216.13	PTR	gw.fast70net.ru
79.136.216.33	PTR	sibinet-peering.fast70net.ru
79.136.216.34	PTR	sibinet-peering.fast70net.ru
79.136.216.38	PTR	tomgate-peering.fast70net.ru
79.136.216.61	A+PTR	tomsk-gw.fast70net.ru
79.136.216.62	PTR	unlim.fast70net.ru
79.136.218.78	A	tatar.tom.ru