Robtex

Up: 81.117.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 81.117.160.0/20
Down right: 81.117.176.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.117.160.162	A+PTR	host162-160-static.117-81-b.business.telecomitalia.it
81.117.162.50	A	mail.piemmeonline.info
81.117.164.38	A+PTR	host38-164-static.117-81-b.business.telecomitalia.it
81.117.164.38	A	mail2.rete8.com
81.117.164.59	A	mail1.rete8.com
81.117.164.59	A	host59-164-static.117-81-b.business.telecomitalia.it
81.117.164.201	A	host201-164-static.117-81-b.business.telecomitalia.it
81.117.164.201	A	mail2.vivahotels.org
81.117.164.201	A	mail2.maurogiuli.com
81.117.164.246	PTR	host246-164-static.117-81-b.business.telecomitalia.it
81.117.164.246	A	mail.cs-jeans.com
81.117.164.246	A	mail.csjeans.it
81.117.165.192	A+PTR	host192-165-static.117-81-b.business.telecomitalia.it
81.117.166.14	A+PTR	host14-166-static.117-81-b.business.telecomitalia.it
81.117.166.36	A+PTR	host36-166-static.117-81-b.business.telecomitalia.it
81.117.166.36	A	smtp.treccani.it
81.117.166.38	A+PTR	smtp01.treccani.it
81.117.166.46	A	smtp02.treccani.it
81.117.169.118	A	host118-169-static.117-81-b.business.telecomitalia.it
81.117.169.118	A	mail81.izs.it
81.117.169.124	A	vetinfo.sanita.it
81.117.169.124	A	www.vetinfo.it
81.117.175.2	A+PTR	host2-175-static.117-81-b.business.telecomitalia.it
81.117.175.4	A+PTR	host4-175-static.117-81-b.business.telecomitalia.it
81.117.175.8	A	host8-175-static.117-81-b.business.telecomitalia.it
81.117.175.9	A	host9-175-static.117-81-b.business.telecomitalia.it
81.117.175.32	A+PTR	host32-175-static.117-81-b.business.telecomitalia.it
81.117.175.41	A	host41-175-static.117-81-b.business.telecomitalia.it
81.117.175.50	A	host50-175-static.117-81-b.business.telecomitalia.it
81.117.175.53	A	host53-175-static.117-81-b.business.telecomitalia.it
81.117.175.64	A+PTR	host64-175-static.117-81-b.business.telecomitalia.it
81.117.175.65	A+PTR	host65-175-static.117-81-b.business.telecomitalia.it
81.117.175.78	A	host78-175-static.117-81-b.business.telecomitalia.it
81.117.175.81	A	host81-175-static.117-81-b.business.telecomitalia.it
81.117.175.107	A	host107-175-static.117-81-b.business.telecomitalia.it
81.117.175.111	A	host111-175-static.117-81-b.business.telecomitalia.it
81.117.175.112	A	host112-175-static.117-81-b.business.telecomitalia.it
81.117.175.113	A	host113-175-static.117-81-b.business.telecomitalia.it
81.117.175.130	A+PTR	host130-175-static.117-81-b.business.telecomitalia.it
81.117.175.133	A	host133-175-static.117-81-b.business.telecomitalia.it
81.117.175.137	A	host137-175-static.117-81-b.business.telecomitalia.it
81.117.175.140	A	host140-175-static.117-81-b.business.telecomitalia.it
81.117.175.161	A+PTR	host161-175-static.117-81-b.business.telecomitalia.it
81.117.175.162	A+PTR	host162-175-static.117-81-b.business.telecomitalia.it
81.117.175.163	A+PTR	host163-175-static.117-81-b.business.telecomitalia.it
81.117.175.166	A	host166-175-static.117-81-b.business.telecomitalia.it
81.117.175.205	A	host205-175-static.117-81-b.business.telecomitalia.it
81.117.175.210	A	host210-175-static.117-81-b.business.telecomitalia.it
81.117.175.219	A	host219-175-static.117-81-b.business.telecomitalia.it
81.117.175.223	A	host223-175-static.117-81-b.business.telecomitalia.it
81.117.175.224	A+PTR	host224-175-static.117-81-b.business.telecomitalia.it
81.117.175.225	A+PTR	host225-175-static.117-81-b.business.telecomitalia.it
81.117.175.230	A	host230-175-static.117-81-b.business.telecomitalia.it
81.117.175.232	A	host232-175-static.117-81-b.business.telecomitalia.it
81.117.179.64	A	mail1.fondms.org
81.117.180.154	A+PTR	host154-180-static.117-81-b.business.telecomitalia.it
81.117.186.1	A	host1-186-static.117-81-b.business.telecomitalia.it
81.117.186.2	A	host2-186-static.117-81-b.business.telecomitalia.it
81.117.186.13	A	host13-186-static.117-81-b.business.telecomitalia.it
81.117.186.19	A	host19-186-static.117-81-b.business.telecomitalia.it
81.117.186.33	A	host33-186-static.117-81-b.business.telecomitalia.it
81.117.186.36	A	host36-186-static.117-81-b.business.telecomitalia.it
81.117.186.40	A	host40-186-static.117-81-b.business.telecomitalia.it
81.117.186.41	A	host41-186-static.117-81-b.business.telecomitalia.it
81.117.186.64	A	host64-186-static.117-81-b.business.telecomitalia.it
81.117.186.67	A	host67-186-static.117-81-b.business.telecomitalia.it
81.117.186.69	A	host69-186-static.117-81-b.business.telecomitalia.it
81.117.186.72	A	host72-186-static.117-81-b.business.telecomitalia.it
81.117.186.99	A	host99-186-static.117-81-b.business.telecomitalia.it
81.117.186.100	A	host100-186-static.117-81-b.business.telecomitalia.it
81.117.186.101	A	host101-186-static.117-81-b.business.telecomitalia.it
81.117.186.103	A	host103-186-static.117-81-b.business.telecomitalia.it
81.117.186.128	A	host128-186-static.117-81-b.business.telecomitalia.it
81.117.186.129	A	host129-186-static.117-81-b.business.telecomitalia.it
81.117.186.131	A	host131-186-static.117-81-b.business.telecomitalia.it
81.117.186.134	A	host134-186-static.117-81-b.business.telecomitalia.it
81.117.186.162	A	host162-186-static.117-81-b.business.telecomitalia.it
81.117.186.164	A	host164-186-static.117-81-b.business.telecomitalia.it
81.117.186.169	A	host169-186-static.117-81-b.business.telecomitalia.it
81.117.186.170	A	host170-186-static.117-81-b.business.telecomitalia.it
81.117.186.193	A	host193-186-static.117-81-b.business.telecomitalia.it
81.117.186.197	A	host197-186-static.117-81-b.business.telecomitalia.it
81.117.186.199	A	host199-186-static.117-81-b.business.telecomitalia.it
81.117.186.201	A	host201-186-static.117-81-b.business.telecomitalia.it
81.117.186.224	A	host224-186-static.117-81-b.business.telecomitalia.it
81.117.186.225	A	host225-186-static.117-81-b.business.telecomitalia.it
81.117.186.226	A	host226-186-static.117-81-b.business.telecomitalia.it
81.117.186.228	A	host228-186-static.117-81-b.business.telecomitalia.it
81.117.191.5	A	host5-191-static.117-81-b.business.telecomitalia.it
81.117.191.7	A	host7-191-static.117-81-b.business.telecomitalia.it
81.117.191.8	A	host8-191-static.117-81-b.business.telecomitalia.it
81.117.191.13	A	host13-191-static.117-81-b.business.telecomitalia.it
81.117.191.38	A	host38-191-static.117-81-b.business.telecomitalia.it
81.117.191.40	A	host40-191-static.117-81-b.business.telecomitalia.it
81.117.191.43	A	host43-191-static.117-81-b.business.telecomitalia.it
81.117.191.44	A	host44-191-static.117-81-b.business.telecomitalia.it
81.117.191.69	A	host69-191-static.117-81-b.business.telecomitalia.it
81.117.191.71	A	host71-191-static.117-81-b.business.telecomitalia.it
81.117.191.72	A	host72-191-static.117-81-b.business.telecomitalia.it
81.117.191.73	A	host73-191-static.117-81-b.business.telecomitalia.it
81.117.191.98	A	host98-191-static.117-81-b.business.telecomitalia.it
81.117.191.105	A	host105-191-static.117-81-b.business.telecomitalia.it
81.117.191.106	A	host106-191-static.117-81-b.business.telecomitalia.it
81.117.191.109	A	host109-191-static.117-81-b.business.telecomitalia.it
81.117.191.129	A	host129-191-static.117-81-b.business.telecomitalia.it
81.117.191.131	A	host131-191-static.117-81-b.business.telecomitalia.it
81.117.191.133	A	host133-191-static.117-81-b.business.telecomitalia.it
81.117.191.134	A	host134-191-static.117-81-b.business.telecomitalia.it
81.117.191.160	A	host160-191-static.117-81-b.business.telecomitalia.it
81.117.191.161	A	host161-191-static.117-81-b.business.telecomitalia.it
81.117.191.162	A	host162-191-static.117-81-b.business.telecomitalia.it
81.117.191.164	A	host164-191-static.117-81-b.business.telecomitalia.it
81.117.191.196	A	host196-191-static.117-81-b.business.telecomitalia.it
81.117.191.200	A	host200-191-static.117-81-b.business.telecomitalia.it
81.117.191.202	A	host202-191-static.117-81-b.business.telecomitalia.it
81.117.191.208	A	host208-191-static.117-81-b.business.telecomitalia.it
81.117.191.225	A	host225-191-static.117-81-b.business.telecomitalia.it
81.117.191.226	A	host226-191-static.117-81-b.business.telecomitalia.it
81.117.191.227	A	host227-191-static.117-81-b.business.telecomitalia.it
81.117.191.229	A	host229-191-static.117-81-b.business.telecomitalia.it