Robtex

Up: 81.92.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 81.92.32.0/22
Down right: 81.92.36.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.92.32.0	PTR	ip-32-0.sn3.clouditalia.com
81.92.32.0	A	ip-32-0.sn3.eutelia.it
81.92.32.155	PTR	ip-32-155.sn3.eutelia.it
81.92.33.0	PTR	ip-33-0.sn3.clouditalia.com
81.92.33.0	A	ip-33-0.sn3.eutelia.it
81.92.33.4	A	ip-33-4.sn3.eutelia.it
81.92.33.5	A	ip-33-5.sn3.eutelia.it
81.92.33.5	A	ip-33-5.sn3.clouditalia.com
81.92.33.8	PTR	ip-33-8.sn3.clouditalia.com
81.92.33.9	A	ip-33-9.sn3.eutelia.it
81.92.33.11	A	ip-33-11.sn3.eutelia.it
81.92.33.15	A	ip-33-15.sn3.eutelia.it
81.92.33.16	PTR	ip-33-16.sn3.clouditalia.com
81.92.33.17	A	ip-33-17.sn3.eutelia.it
81.92.33.20	A	ip-33-20.sn3.eutelia.it
81.92.33.21	A	ip-33-21.sn3.eutelia.it
81.92.33.26	A	ip-33-26.sn3.eutelia.it
81.92.33.35	A	ip-33-35.sn3.eutelia.it
81.92.33.36	A	ip-33-36.sn3.eutelia.it
81.92.33.38	A	ip-33-38.sn3.eutelia.it
81.92.33.40	A	ip-33-40.sn3.eutelia.it
81.92.33.41	A	ip-33-41.sn3.eutelia.it
81.92.33.45	A	ip-33-45.sn3.eutelia.it
81.92.33.47	A	ip-33-47.sn3.eutelia.it
81.92.33.49	A	ip-33-49.sn3.eutelia.it
81.92.33.51	A	ip-33-51.sn3.eutelia.it
81.92.33.52	A	ip-33-52.sn3.eutelia.it
81.92.33.56	A	ip-33-56.sn3.eutelia.it
81.92.33.61	A	ip-33-61.sn3.eutelia.it
81.92.33.62	A	ip-33-62.sn3.eutelia.it
81.92.33.64	A	ip-33-64.sn3.eutelia.it
81.92.33.66	A+PTR	ip-33-66.sn3.eutelia.it
81.92.33.70	A	ip-33-70.sn3.eutelia.it
81.92.33.71	A	ip-33-71.sn3.eutelia.it
81.92.33.72	A	ip-33-72.sn3.eutelia.it
81.92.33.76	A	ip-33-76.sn3.eutelia.it
81.92.33.78	A	ip-33-78.sn3.eutelia.it
81.92.33.80	A	ip-33-80.sn3.eutelia.it
81.92.33.85	A	ip-33-85.sn3.eutelia.it
81.92.33.87	A	ip-33-87.sn3.eutelia.it
81.92.33.92	A	ip-33-92.sn3.eutelia.it
81.92.33.95	A	ip-33-95.sn3.eutelia.it
81.92.33.101	A	ip-33-101.sn3.eutelia.it
81.92.33.114	A	ip-33-114.sn3.eutelia.it
81.92.33.115	A	ip-33-115.sn3.eutelia.it
81.92.33.116	A	ip-33-116.sn3.eutelia.it
81.92.33.118	A	ip-33-118.sn3.eutelia.it
81.92.33.125	A	ip-33-125.sn3.eutelia.it
81.92.33.128	A	ip-33-128.sn3.eutelia.it
81.92.33.131	A	ip-33-131.sn3.eutelia.it
81.92.33.135	A	ip-33-135.sn3.eutelia.it
81.92.33.143	A	ip-33-143.sn3.eutelia.it
81.92.33.145	A	ip-33-145.sn3.eutelia.it
81.92.33.148	A	ip-33-148.sn3.eutelia.it
81.92.33.154	A	ip-33-154.sn3.eutelia.it
81.92.33.160	A	ip-33-160.sn3.eutelia.it
81.92.33.163	A	ip-33-163.sn3.eutelia.it
81.92.33.164	A	ip-33-164.sn3.eutelia.it
81.92.33.166	A	ip-33-166.sn3.eutelia.it
81.92.33.170	A	ip-33-170.sn3.eutelia.it
81.92.33.173	A	ip-33-173.sn3.eutelia.it
81.92.33.178	A	ip-33-178.sn3.eutelia.it
81.92.33.183	A	ip-33-183.sn3.eutelia.it
81.92.33.197	A	ip-33-197.sn3.eutelia.it
81.92.33.202	A	ip-33-202.sn3.eutelia.it
81.92.33.208	A	ip-33-208.sn3.eutelia.it
81.92.33.211	A	ip-33-211.sn3.eutelia.it
81.92.33.214	A	ip-33-214.sn3.eutelia.it
81.92.33.219	A	ip-33-219.sn3.eutelia.it
81.92.33.231	A	ip-33-231.sn3.eutelia.it
81.92.33.234	A	ip-33-234.sn3.eutelia.it
81.92.33.236	A	ip-33-236.sn3.eutelia.it
81.92.33.238	A	ip-33-238.sn3.eutelia.it
81.92.33.239	A	ip-33-239.sn3.eutelia.it
81.92.33.240	A	ip-33-240.sn3.eutelia.it
81.92.33.241	A	ip-33-241.sn3.eutelia.it
81.92.33.244	A	ip-33-244.sn3.eutelia.it
81.92.33.245	A	ip-33-245.sn3.eutelia.it
81.92.33.249	A	ip-33-249.sn3.eutelia.it
81.92.33.250	A	ip-33-250.sn3.eutelia.it
81.92.35.42	A	sidarredourbano.eu
81.92.36.71	A	mailtest.micmega.it
81.92.36.85	A	ip-36-85.sn3.clouditalia.com
81.92.36.90	PTR	ip-36-90.sn3.eutelia.it
81.92.36.90	A	bluweb.net
81.92.36.90	A	infomedia.mn.it
81.92.36.91	A+PTR	ip-36-91.sn3.eutelia.it
81.92.36.110	A	mail.2ainfo.com
81.92.37.18	A	ip-37-18.sn3.eutelia.it
81.92.37.85	A	ip-37-85.sn3.clouditalia.com
81.92.37.114	A	ip-37-114.sn3.eutelia.it
81.92.37.118	A	ip-37-118.sn3.eutelia.it
81.92.37.141	A	ip-37-141.sn3.clouditalia.com
81.92.37.202	A+PTR	ip-37-202.sn3.clouditalia.com
81.92.38.251	A+PTR	ip-38-251.sn3.eutelia.it
81.92.38.251	A	soalpi.it
81.92.39.2	A	ip-39-2.sn3.eutelia.it
81.92.39.115	A+PTR	ip-39-115.sn3.clouditalia.com