Robtex

Up: 217.198.10.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 217.198.11.0/25
Down right: 217.198.11.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.198.11.8	A+PTR	s-mg01.sb.tol.ru
217.198.11.13	A+PTR	ns1.sb.tol.ru
217.198.11.13	A	sb.tol.ru
217.198.11.26	A+PTR	ext-net-1-office-gw.e-kazan.ru
217.198.11.26	A	mail.studiorum.ru
217.198.11.26	A	mail.ekazan.ru
217.198.11.27	A+PTR	ext-1-storage.e-kazan.ru
217.198.11.27	A	storage.e-kazan.ru
217.198.11.28	A+PTR	ext-1-devel.e-kazan.ru
217.198.11.28	A	devel.e-kazan.ru
217.198.11.30	A+PTR	ext-1-proxy.e-kazan.ru
217.198.11.30	A	proxy.e-kazan.ru
217.198.11.36	PTR	ns.atlas-rt.ru