Robtex

Up: 80.240.32.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 80.240.32.0/25
Down right: 80.240.32.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.240.32.1	PTR	ks15-v.sibttk.net
80.240.32.2	A+PTR	ns.sibttk.net
80.240.32.2	A+PTR	ns1.sibttk.net
80.240.32.2	A	ns-1.sibttk.net
80.240.32.4	A+PTR	www.sibttk.net
80.240.32.4	A	sibttk.ru
80.240.32.4	A	www.sibttk.ru
80.240.32.7	PTR	bill3.sibttk.net
80.240.32.7	A	gk.sibttk.ru
80.240.32.11	PTR	payment1.sibttk.net
80.240.32.12	PTR	ks01-v.sibttk.net
80.240.32.13	PTR	payment2.sibttk.net
80.240.32.21	PTR	unnamed.ks01-v.sibttk.net
80.240.32.22	PTR	unnamed.ks01-v.sibttk.net
80.240.32.24	PTR	unnamed.ks01-v.sibttk.net
80.240.32.26	PTR	unnamed.ks01-v.sibttk.net
80.240.32.39	PTR	unnamed.ks01-v.sibttk.net
80.240.32.45	PTR	unnamed.ks01-v.sibttk.net
80.240.32.46	PTR	unnamed.ks01-v.sibttk.net
80.240.32.49	PTR	unnamed.ks01-v.sibttk.net
80.240.32.53	PTR	unnamed.ks01-v.sibttk.net
80.240.32.60	PTR	unnamed.ks01-v.sibttk.net
80.240.32.69	PTR	unnamed.krsk-1-nat042.sibttk.net
80.240.32.77	PTR	unnamed.ks01-v.sibttk.net
80.240.32.78	PTR	unnamed.ks01-v.sibttk.net
80.240.32.80	PTR	unnamed.ks01-v.sibttk.net
80.240.32.81	PTR	unnamed.ks01-v.sibttk.net
80.240.32.91	PTR	unnamed.ks01-v.sibttk.net
80.240.32.92	PTR	unnamed.ks01-v.sibttk.net
80.240.32.94	PTR	unnamed.ks01-v.sibttk.net
80.240.32.96	PTR	unnamed.ks01-v.sibttk.net
80.240.32.97	PTR	unnamed.ks01-v.sibttk.net
80.240.32.102	PTR	unnamed.krsk-1-nat042.sibttk.net
80.240.32.103	PTR	unnamed.ks01-v.sibttk.net
80.240.32.106	PTR	unnamed.krsk-1-nat042.sibttk.net
80.240.32.107	PTR	unnamed.ks01-v.sibttk.net
80.240.32.108	PTR	unnamed.ks01-v.sibttk.net
80.240.32.112	PTR	sibttk.net
80.240.32.114	PTR	unnamed.ks01-v.sibttk.net
80.240.32.115	PTR	unnamed.ks01-v.sibttk.net
80.240.32.117	PTR	unnamed.ks01-v.sibttk.net
80.240.32.123	PTR	unnamed.ks01-v.sibttk.net
80.240.32.124	PTR	unnamed.ks01-v.sibttk.net
80.240.32.127	PTR	krsk-1-nat042.sibttk.net
80.240.32.129	PTR	cpe.ks15-v.sibttk.net
80.240.32.134	PTR	ks15-v.sibttk.net
80.240.32.136	PTR	cpe.ks15-v.sibttk.net
80.240.32.138	PTR	ks15-v.sibttk.net
80.240.32.141	PTR	ks15-v.sibttk.net
80.240.32.146	PTR	ks15-v.sibttk.net
80.240.32.149	PTR	er-telecom.ks01-m.sibttk.net
80.240.32.150	PTR	ks01-m.sibttk.net
80.240.32.152	PTR	ks15-v.sibttk.net
80.240.32.154	PTR	ks15-v.sibttk.net
80.240.32.155	PTR	ks15-v.sibttk.net
80.240.32.165	PTR	cpe.ks15-v.sibttk.net
80.240.32.175	PTR	cpe.ks15-v.sibttk.net
80.240.32.176	PTR	ks15-v.sibttk.net
80.240.32.177	PTR	ks15-v.sibttk.net
80.240.32.184	PTR	vlan630.ks15-v.sibttk.net
80.240.32.191	PTR	cpe.ks15-v.sibttk.net
80.240.32.201	PTR	cpe.ks15-v.sibttk.net
80.240.32.205	PTR	cpe.ks15-v.sibttk.net
80.240.32.207	PTR	cpe.ks15-v.sibttk.net
80.240.32.211	PTR	cpe.ks15-v.sibttk.net
80.240.32.221	PTR	cpe.ks15-v.sibttk.net
80.240.32.224	PTR	cpe.ks15-v.sibttk.net
80.240.32.227	PTR	cpe.ks15-v.sibttk.net
80.240.32.228	PTR	ks15-v.sibttk.net
80.240.32.230	PTR	ks15-v.sibttk.net
80.240.32.237	PTR	unnamed.sibttk.net
80.240.32.237	A	mail.krevrz.ru
80.240.32.238	PTR	ks15-v.sibttk.net
80.240.32.239	PTR	ks15-v.sibttk.net
80.240.32.240	PTR	ks15-v.sibttk.net
80.240.32.242	PTR	ks15-v.sibttk.net
80.240.32.244	PTR	cpe.ks15-v.sibttk.net
80.240.32.247	PTR	cpe.ks15-v.sibttk.net
80.240.32.248	PTR	ks15-v.sibttk.net
80.240.32.249	PTR	cpe.ks15-v.sibttk.net
80.240.32.252	PTR	vlan660.ks15-v.sibttk.net
80.240.32.254	PTR	vlan660.ks15-v.sibttk.net
80.240.32.255	PTR	vlan660.krsk-1-bng015.sibttk.net