Robtex

Up: 194.12.230.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 194.12.231.0/25
Down right: 194.12.231.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
194.12.231.31	PTR	unknown.lirex.net
194.12.231.32	PTR	unknown.lirex.net
194.12.231.34	PTR	ns1.isp.bg
194.12.231.37	PTR	unknown.lirex.net
194.12.231.39	PTR	unknown.lirex.net
194.12.231.40	PTR	unknown.lirex.net
194.12.231.50	A+PTR	mail.stepsoft.bg
194.12.231.50	A	www.stepsoft.bg
194.12.231.50	A	hits-cluster.com
194.12.231.51	A+PTR	bulgarianrose.bg
194.12.231.51	A	www.stepsoft.bg
194.12.231.51	A	hits-cluster.com
194.12.231.52	PTR	unknown.lirex.net
194.12.231.53	PTR	unknown.lirex.net
194.12.231.56	PTR	unknown.lirex.net
194.12.231.56	A	techmart.bg
194.12.231.64	PTR	unknown.lirex.net
194.12.231.67	A	isa-gw.ozk.bg
194.12.231.68	PTR	unknown.lirex.net
194.12.231.83	PTR	unknown.lirex.net
194.12.231.83	A	suppo.5b7f3098.2018.cbricdns.com
194.12.231.83	A	activ.5a1ec3b1.cbricdns.net
194.12.231.84	PTR	waf.evolink.com
194.12.231.84	A	vcloud.bg
194.12.231.84	A	ptyxiakes.gr
194.12.231.96	PTR	unknown.lirex.net