Robtex

Up: 217.24.112.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 217.24.120.0/22
Down right: 217.24.124.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.24.120.0	PTR	parma-lan-120.parma.ru
217.24.120.34	PTR	ip-217-24-120-34.parma.ru
217.24.120.162	A+PTR	dns1.sevnb.ru
217.24.120.162	A	smtp.sevnb.ru
217.24.120.162	A	bsi.sevnb.ru
217.24.120.190	A	ip-217-24-120-190.parma.ru
217.24.120.202	A	ip-217-24-120-202.parma.ru
217.24.120.250	PTR	slvz.parma.ru
217.24.121.0	PTR	parma-lan-121.parma.ru
217.24.121.255	A+PTR	ip-217-24-121-255.parma.ru
217.24.122.2	A	ip-217-24-122-2.parma.ru
217.24.123.0	PTR	parma-lan-123.parma.ru
217.24.123.2	PTR	ip-217-24-123-2.parma.ru
217.24.123.3	PTR	mail.rkomi.ru
217.24.123.9	PTR	udc.rkomi.ru
217.24.123.33	PTR	ip-217-24-123-33.parma.ru
217.24.123.42	PTR	ip-217-24-123-42.parma.ru
217.24.123.80	PTR	ip-217-24-123-80.parma.ru
217.24.123.96	PTR	ip-217-24-123-96.parma.ru
217.24.123.106	PTR	ip-217-24-123-106.parma.ru
217.24.123.123	PTR	ip-217-24-123-123.parma.ru
217.24.123.136	PTR	ip-217-24-123-136.parma.ru
217.24.123.146	PTR	ip-217-24-123-146.parma.ru
217.24.123.193	PTR	ip-217-24-123-193.parma.ru
217.24.123.194	PTR	ip-217-24-123-194.parma.ru
217.24.123.195	PTR	ip-217-24-123-195.parma.ru
217.24.123.203	PTR	ip-217-24-123-203.parma.ru
217.24.123.209	PTR	ip-217-24-123-209.parma.ru
217.24.123.249	PTR	ip-217-24-123-249.parma.ru
217.24.125.0	PTR	parma-lan-125.parma.ru
217.24.125.9	PTR	ip-217-24-125-9.parma.ru
217.24.125.16	PTR	ip-217-24-125-16.parma.ru
217.24.125.17	PTR	ip-217-24-125-17.parma.ru
217.24.125.19	PTR	ip-217-24-125-19.parma.ru
217.24.125.24	PTR	ip-217-24-125-24.parma.ru
217.24.125.27	PTR	ip-217-24-125-27.parma.ru
217.24.125.34	PTR	ip-217-24-125-34.parma.ru
217.24.125.35	PTR	ip-217-24-125-35.parma.ru
217.24.125.48	PTR	ip-217-24-125-48.parma.ru
217.24.125.49	PTR	ip-217-24-125-49.parma.ru
217.24.125.50	PTR	ip-217-24-125-50.parma.ru
217.24.125.57	PTR	ip-217-24-125-57.parma.ru
217.24.125.59	PTR	ip-217-24-125-59.parma.ru
217.24.125.81	PTR	ip-217-24-125-81.parma.ru
217.24.125.91	PTR	ip-217-24-125-91.parma.ru
217.24.125.96	PTR	ip-217-24-125-96.parma.ru
217.24.125.97	PTR	ip-217-24-125-97.parma.ru
217.24.125.98	PTR	ip-217-24-125-98.parma.ru
217.24.125.99	PTR	ip-217-24-125-99.parma.ru
217.24.125.105	PTR	ip-217-24-125-105.parma.ru
217.24.125.121	PTR	ip-217-24-125-121.parma.ru
217.24.125.131	PTR	ip-217-24-125-131.parma.ru
217.24.125.145	PTR	ip-217-24-125-145.parma.ru
217.24.125.153	PTR	ip-217-24-125-153.parma.ru
217.24.125.163	PTR	ip-217-24-125-163.parma.ru
217.24.125.176	PTR	ip-217-24-125-176.parma.ru
217.24.125.177	PTR	ip-217-24-125-177.parma.ru
217.24.125.178	PTR	ip-217-24-125-178.parma.ru
217.24.125.192	PTR	ip-217-24-125-192.parma.ru
217.24.125.193	PTR	ip-217-24-125-193.parma.ru
217.24.125.202	PTR	mail.severmedia.ru
217.24.125.203	PTR	ip-217-24-125-203.parma.ru
217.24.125.210	PTR	mail.mireko.ru
217.24.125.216	PTR	ip-217-24-125-216.parma.ru
217.24.125.219	PTR	ip-217-24-125-219.parma.ru
217.24.125.224	PTR	ip-217-24-125-224.parma.ru
217.24.125.233	PTR	ip-217-24-125-233.parma.ru
217.24.125.235	PTR	ip-217-24-125-235.parma.ru
217.24.125.240	PTR	ip-217-24-125-240.parma.ru
217.24.125.248	PTR	ip-217-24-125-248.parma.ru
217.24.126.0	PTR	parma-lan-126.parma.ru