Robtex

Up: 31.42.160.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 31.42.160.0/21
Down right: 31.42.168.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
31.42.161.6	PTR	host-31-42-161-6.pois.com.ua
31.42.161.6	A	ns2.pois.com.ua
31.42.161.16	A	host-31-42-178-73.pois.com.ua
31.42.161.16	A	host-31-42-161-74.pois.com.ua
31.42.161.16	A	host-91-219-60-7.pois.com.ua
31.42.161.74	PTR	host-31-42-161-74.pois.com.ua
31.42.161.74	A	ns2.qxp.at
31.42.161.102	PTR	host-31-42-161-102.pois.com.ua
31.42.161.120	PTR	host-31-42-161-120.pois.com.ua
31.42.161.120	A	hell-it.pro
31.42.161.254	PTR	mx.crazy.net.ua
31.42.161.254	A	ns1.cn.km.ua
31.42.161.254	A	ns1.pois.com.ua
31.42.162.1	PTR	host-31-42-162-1.pois.com.ua
31.42.162.16	PTR	host-31-42-162-16.pois.com.ua
31.42.162.18	PTR	host-31-42-162-18.pois.com.ua
31.42.162.33	PTR	host-31-42-162-33.pois.com.ua
31.42.162.34	PTR	host-31-42-162-34.pois.com.ua
31.42.162.49	PTR	host-31-42-162-49.pois.com.ua
31.42.162.66	PTR	host-31-42-162-66.pois.com.ua
31.42.162.80	PTR	host-31-42-162-80.pois.com.ua
31.42.162.96	PTR	host-31-42-162-96.pois.com.ua
31.42.162.97	PTR	host-31-42-162-97.pois.com.ua
31.42.162.99	PTR	host-31-42-162-99.pois.com.ua
31.42.162.129	PTR	host-31-42-162-129.pois.com.ua
31.42.162.160	PTR	host-31-42-162-160.pois.com.ua
31.42.162.162	PTR	host-31-42-162-162.pois.com.ua
31.42.162.167	A	ns4.gamehorts.at
31.42.162.209	PTR	host-31-42-162-209.pois.com.ua
31.42.162.225	PTR	host-31-42-162-225.pois.com.ua
31.42.163.135	A	zvezdakachestva.info
31.42.163.135	A	agronomik.in.ua
31.42.163.135	A	www.agronomik.in.ua
31.42.164.112	PTR	host-31-42-164-112.pois.com.ua
31.42.165.195	PTR	host-31-42-165-195.pois.com.ua
31.42.165.195	A	mx.novabudova.com
31.42.165.250	A	www.mechanik.com.ua
31.42.165.250	A	mechanik.com.ua
31.42.166.22	PTR	host-31-42-166-22.pois.com.ua
31.42.167.133	PTR	host-31-42-167-133.pois.com.ua
31.42.168.75	PTR	host-31-42-168-75.pois.com.ua
31.42.169.143	PTR	host-31-42-169-143.pois.com.ua
31.42.170.80	PTR	host-31-42-170-80.pois.com.ua
31.42.170.81	PTR	host-31-42-170-81.pois.com.ua
31.42.170.118	PTR	host-31-42-170-118.pois.com.ua
31.42.170.126	PTR	host-31-42-170-126.pois.com.ua
31.42.170.127	PTR	host-31-42-170-127.pois.com.ua
31.42.170.188	PTR	host-31-42-170-188.pois.com.ua
31.42.170.198	PTR	host-31-42-170-198.pois.com.ua
31.42.170.209	PTR	host-31-42-170-209.pois.com.ua
31.42.170.214	PTR	host-31-42-170-214.pois.com.ua
31.42.172.13	PTR	host-31-42-172-13.pois.com.ua
31.42.172.14	PTR	host-31-42-172-14.pois.com.ua
31.42.172.36	PTR	host-31-42-172-36.pois.com.ua
31.42.172.54	PTR	host-31-42-172-54.pois.com.ua
31.42.173.23	PTR	host-31-42-173-23.pois.com.ua
31.42.173.80	PTR	host-31-42-173-80.pois.com.ua
31.42.173.243	PTR	host-31-42-173-243.pois.com.ua
31.42.174.1	PTR	host-31-42-174-1.pois.com.ua
31.42.174.1	A	networkmarks.com
31.42.174.2	A	ns1.networkmarks.com
31.42.174.3	A	ns2.networkmarks.com
31.42.174.4	PTR	host-31-42-174-4.pois.com.ua
31.42.174.20	A	dallans.kp.km.ua
31.42.174.34	PTR	host-31-42-174-34.pois.com.ua
31.42.174.49	PTR	host-31-42-174-49.pois.com.ua
31.42.174.82	PTR	host-31-42-174-82.pois.com.ua
31.42.174.96	PTR	host-31-42-174-96.pois.com.ua
31.42.174.98	PTR	host-31-42-174-98.pois.com.ua
31.42.174.99	PTR	host-31-42-174-99.pois.com.ua
31.42.174.146	PTR	host-31-42-174-146.pois.com.ua
31.42.174.156	A	soundsfuture.net
31.42.174.178	PTR	host-31-42-174-178.pois.com.ua
31.42.174.224	PTR	host-31-42-174-224.pois.com.ua
31.42.174.227	PTR	host-31-42-174-227.pois.com.ua
31.42.174.241	PTR	host-31-42-174-241.pois.com.ua
31.42.174.252	A	ns1.luxuryfoil.com
31.42.174.253	A	ns2.luxuryfoil.com
31.42.175.10	A	libs.99bouncerx.com
31.42.175.39	PTR	host-31-42-175-39.pois.com.ua
31.42.175.40	PTR	host-31-42-175-40.pois.com.ua
31.42.175.40	A	litlecontent.com
31.42.175.67	PTR	host-31-42-175-67.pois.com.ua
31.42.175.71	PTR	host-31-42-175-71.pois.com.ua
31.42.175.146	PTR	host-31-42-175-146.pois.com.ua
31.42.175.156	PTR	host-31-42-175-156.pois.com.ua
31.42.175.156	A	keepingpride.com
31.42.175.188	PTR	host-31-42-175-188.pois.com.ua
31.42.175.211	PTR	host-31-42-175-211.pois.com.ua
31.42.175.211	A	flexiblethink.com
31.42.175.235	PTR	host-31-42-175-235.pois.com.ua
31.42.175.252	PTR	host-31-42-175-252.pois.com.ua
31.42.175.252	A	ns1.broadindication.com
31.42.175.253	PTR	host-31-42-175-253.pois.com.ua
31.42.175.253	A	ns2.broadindication.com