Robtex

Up: 212.122.24.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 212.122.24.0/23
Down right: 212.122.26.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.122.25.252	PTR	ns.ssrz.ru
212.122.26.145	PTR	ip145.spasskcement.ru
212.122.26.145	A	ns2.skaci.ru
212.122.26.145	A	ns2.rengroup.ru
212.122.27.1	A	yakovlevka.primorye.ru
212.122.27.1	A	ns.yakovlevka.primorye.ru