Robtex

Up: 31.220.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 31.220.160.0/20
Down right: 31.220.176.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
31.220.161.1	PTR	31-220-161-1.rdtc.ru
31.220.161.33	PTR	31-220-161-33.rdtc.ru
31.220.161.66	PTR	31-220-161-66.rdtc.ru
31.220.161.99	PTR	31-220-161-99.rdtc.ru
31.220.161.99	A	kuzline.ru
31.220.161.130	PTR	31-220-161-130.rdtc.ru
31.220.161.160	PTR	31-220-161-160.rdtc.ru
31.220.161.163	PTR	31-220-161-163.rdtc.ru
31.220.161.224	PTR	31-220-161-224.rdtc.ru
31.220.161.227	PTR	31-220-161-227.rdtc.ru
31.220.162.2	PTR	31-220-162-2.rdtc.ru
31.220.162.64	PTR	31-220-162-64.rdtc.ru
31.220.162.96	PTR	31-220-162-96.rdtc.ru
31.220.162.99	PTR	31-220-162-99.rdtc.ru
31.220.162.129	PTR	31-220-162-129.rdtc.ru
31.220.162.163	PTR	31-220-162-163.rdtc.ru
31.220.162.225	PTR	31-220-162-225.rdtc.ru
31.220.162.226	PTR	31-220-162-226.rdtc.ru
31.220.163.148	PTR	31-220-163-148.rdtc.ru
31.220.163.171	PTR	31-220-163-171.rdtc.ru
31.220.163.171	A	afreet.tk
31.220.163.246	A	mail.udonge.ru
31.220.164.35	PTR	31-220-164-35.rdtc.ru
31.220.164.145	PTR	31-220-164-145.rdtc.ru
31.220.165.78	PTR	31-220-165-78.rdtc.ru
31.220.165.141	PTR	31-220-165-141.rdtc.ru
31.220.165.168	PTR	31-220-165-168.rdtc.ru
31.220.167.15	PTR	31-220-167-15.rdtc.ru
31.220.167.76	PTR	31-220-167-76.rdtc.ru
31.220.167.76	A	www.prizel-nk.ru
31.220.167.76	A	prizel-nk.ru
31.220.167.123	PTR	31-220-167-123.rdtc.ru
31.220.168.248	PTR	31-220-168-248.rdtc.ru
31.220.169.73	PTR	31-220-169-73.rdtc.ru
31.220.169.82	PTR	31-220-169-82.rdtc.ru
31.220.171.120	PTR	31-220-171-120.rdtc.ru
31.220.171.235	PTR	31-220-171-235.rdtc.ru
31.220.173.87	A	alttrade.su
31.220.175.71	A	mail.novolex.ru
31.220.176.2	PTR	31-220-176-2.rdtc.ru
31.220.176.32	PTR	31-220-176-32.rdtc.ru
31.220.176.67	PTR	31-220-176-67.rdtc.ru
31.220.176.97	PTR	31-220-176-97.rdtc.ru
31.220.176.130	PTR	31-220-176-130.rdtc.ru
31.220.176.131	PTR	31-220-176-131.rdtc.ru
31.220.176.194	PTR	31-220-176-194.rdtc.ru
31.220.176.227	PTR	31-220-176-227.rdtc.ru
31.220.177.4	PTR	31-220-177-4.rdtc.ru
31.220.177.32	PTR	31-220-177-32.rdtc.ru
31.220.177.96	PTR	31-220-177-96.rdtc.ru
31.220.177.128	PTR	31-220-177-128.rdtc.ru
31.220.177.130	PTR	31-220-177-130.rdtc.ru
31.220.177.192	PTR	31-220-177-192.rdtc.ru
31.220.177.224	PTR	31-220-177-224.rdtc.ru
31.220.177.225	PTR	31-220-177-225.rdtc.ru
31.220.179.1	PTR	31-220-179-1.rdtc.ru
31.220.179.2	PTR	31-220-179-2.rdtc.ru
31.220.179.64	PTR	31-220-179-64.rdtc.ru
31.220.179.97	PTR	31-220-179-97.rdtc.ru
31.220.179.128	PTR	31-220-179-128.rdtc.ru
31.220.179.130	PTR	31-220-179-130.rdtc.ru
31.220.179.160	PTR	31-220-179-160.rdtc.ru
31.220.179.161	PTR	31-220-179-161.rdtc.ru
31.220.179.163	PTR	31-220-179-163.rdtc.ru
31.220.179.192	PTR	31-220-179-192.rdtc.ru
31.220.179.194	PTR	31-220-179-194.rdtc.ru
31.220.179.195	PTR	31-220-179-195.rdtc.ru
31.220.183.2	PTR	31-220-183-2.rdtc.ru
31.220.183.33	PTR	31-220-183-33.rdtc.ru
31.220.183.35	PTR	31-220-183-35.rdtc.ru
31.220.183.64	PTR	31-220-183-64.rdtc.ru
31.220.183.67	PTR	31-220-183-67.rdtc.ru
31.220.183.99	PTR	31-220-183-99.rdtc.ru
31.220.183.130	PTR	31-220-183-130.rdtc.ru
31.220.183.131	PTR	31-220-183-131.rdtc.ru
31.220.183.160	PTR	31-220-183-160.rdtc.ru
31.220.183.195	PTR	31-220-183-195.rdtc.ru
31.220.183.225	PTR	31-220-183-225.rdtc.ru
31.220.184.2	PTR	31-220-184-2.rdtc.ru
31.220.184.31	A	angar34.com
31.220.184.65	PTR	31-220-184-65.rdtc.ru
31.220.184.129	PTR	31-220-184-129.rdtc.ru
31.220.184.160	PTR	31-220-184-160.rdtc.ru
31.220.184.162	PTR	31-220-184-162.rdtc.ru
31.220.184.193	PTR	31-220-184-193.rdtc.ru
31.220.184.194	PTR	31-220-184-194.rdtc.ru
31.220.184.224	PTR	31-220-184-224.rdtc.ru
31.220.184.225	PTR	31-220-184-225.rdtc.ru
31.220.184.227	PTR	31-220-184-227.rdtc.ru
31.220.185.5	A	dcsnozrz.best-date.ru
31.220.185.5	A	iulyxpmh.rusbestdate.ru
31.220.185.5	A	rusbestdate.ru
31.220.185.67	PTR	31-220-185-67.rdtc.ru
31.220.185.128	PTR	31-220-185-128.rdtc.ru
31.220.185.161	PTR	31-220-185-161.rdtc.ru
31.220.185.225	PTR	31-220-185-225.rdtc.ru
31.220.185.227	PTR	31-220-185-227.rdtc.ru
31.220.186.76	PTR	31-220-186-76.rdtc.ru
31.220.186.76	A	xn--80aimag0anaka0i.xn--p1ai
31.220.186.76	A	sibperson.com
31.220.186.252	PTR	31-220-186-252.rdtc.ru
31.220.186.252	A	nk-dvor.ru
31.220.186.252	A	www.nk-dvor.ru
31.220.187.3	PTR	31-220-187-3.rdtc.ru
31.220.187.33	PTR	31-220-187-33.rdtc.ru
31.220.187.34	PTR	31-220-187-34.rdtc.ru
31.220.187.35	PTR	31-220-187-35.rdtc.ru
31.220.187.44	A	mx2.sb2363.ru
31.220.187.67	PTR	31-220-187-67.rdtc.ru
31.220.187.96	PTR	31-220-187-96.rdtc.ru
31.220.187.128	PTR	31-220-187-128.rdtc.ru
31.220.187.161	PTR	31-220-187-161.rdtc.ru
31.220.187.224	PTR	31-220-187-224.rdtc.ru
31.220.187.225	PTR	31-220-187-225.rdtc.ru
31.220.189.147	A	mail.bevg.ru
31.220.189.147	A	bevg.ru
31.220.189.147	A	smtp.bevg.ru
31.220.189.238	PTR	31-220-189-238.rdtc.ru
31.220.189.238	A	ns2.apteki42.org
31.220.189.238	A	dm42.ru
31.220.190.40	PTR	31-220-190-40.rdtc.ru
31.220.190.58	A	video700.ru