Robtex

Up: 91.241.208.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 91.241.212.0/23
Down right: 91.241.214.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
91.241.212.10	A+PTR	ip-91-241-212-10.static.east.net.ua
91.241.212.15	A	ns.tehnikpc.net
91.241.212.15	A	tehnikpc.tehnikpc.net
91.241.212.15	A	tehnikpc.net
91.241.214.202	A+PTR	ip-91-241-214-202.static.east.net.ua