Robtex

Up: 217.116.128.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 217.116.128.0/25
Down right: 217.116.128.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.116.128.1	PTR	oops.kuzbass.net
217.116.128.9	A+PTR	ns.kuzbass.net
217.116.128.10	A+PTR	dc-hub.kuzbass.net
217.116.128.11	A+PTR	ims-gw.kuzbass.net
217.116.128.12	A+PTR	smtp.kuzbass.net
217.116.128.12	A	relay.lnk.kuzbass.net
217.116.128.12	A	relay.kuzbass.net
217.116.128.13	PTR	mirror.kuzbass.net
217.116.128.13	A	ang.kuzbass.net
217.116.128.13	A	mdrk.kuzbass.net
217.116.128.15	A+PTR	media.kuzbass.net
217.116.128.16	PTR	vwh1.kuzbass.net
217.116.128.16	A	cs.club42.ru
217.116.128.16	A	forum.my-yo.ru
217.116.128.17	PTR	vwh2.kuzbass.net
217.116.128.17	A	webmail.kuzbass.net
217.116.128.17	A	ns3.kemhost.net
217.116.128.20	A+PTR	media.kuzbass.net
217.116.128.21	A+PTR	rmx.kuzbass.net
217.116.128.21	A	mail42.ru
217.116.128.21	A	kf.kuzbass.net
217.116.128.27	A+PTR	bnet.kuzbass.net
217.116.128.29	A	ns3.kuzbass.net
217.116.128.29	A	ns2.kemhost.net
217.116.128.33	A+PTR	ns4.kuzbass.net
217.116.128.33	A	ns4.kemhost.net
217.116.128.40	A+PTR	userstat.kuzbass.net
217.116.128.121	PTR	relay.yrg.kuzbass.net
217.116.128.123	A+PTR	relay.mdrk.kuzbass.net
217.116.128.124	A	relay.tpk.kuzbass.net
217.116.128.130	PTR	mail.kemtel.ru
217.116.128.131	PTR	kemtel.ru
217.116.128.141	A+PTR	relay.tash-gus.kuzbass.net
217.116.128.143	A+PTR	mail.tayga.kuzbass.net
217.116.128.143	A	tayga.kuzbass.net
217.116.128.196	A+PTR	mts-pat.kuzbass.net
217.116.128.206	A	pix-pat.kuzbass.net