Robtex

Up: 87.21.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 87.21.160.0/20
Down right: 87.21.176.0/20

IP	Type	Hostname
87.21.160.90	A	host90-160-dynamic.21-87-r.retail.telecomitalia.it
87.21.160.195	PTR	host-87-21-160-195.retail.telecomitalia.it
87.21.162.235	A	host235-162-dynamic.21-87-r.retail.telecomitalia.it
87.21.165.32	A+PTR	host32-165-dynamic.21-87-r.retail.telecomitalia.it
87.21.165.94	A	host94-165-dynamic.21-87-r.retail.telecomitalia.it
87.21.166.42	A	host42-166-dynamic.21-87-r.retail.telecomitalia.it
87.21.166.109	A	host109-166-dynamic.21-87-r.retail.telecomitalia.it
87.21.166.162	A	host162-166-dynamic.21-87-r.retail.telecomitalia.it
87.21.166.169	A	host169-166-dynamic.21-87-r.retail.telecomitalia.it
87.21.166.174	A	host174-166-dynamic.21-87-r.retail.telecomitalia.it
87.21.168.33	A+PTR	host33-168-dynamic.21-87-r.retail.telecomitalia.it
87.21.169.13	A	host13-169-dynamic.21-87-r.retail.telecomitalia.it
87.21.169.30	A	host30-169-dynamic.21-87-r.retail.telecomitalia.it
87.21.172.191	A	host191-172-dynamic.21-87-r.retail.telecomitalia.it
87.21.174.222	A	host222-174-dynamic.21-87-r.retail.telecomitalia.it
87.21.175.75	A	host75-175-dynamic.21-87-r.retail.telecomitalia.it
87.21.175.148	A	host148-175-dynamic.21-87-r.retail.telecomitalia.it
87.21.178.238	A	host238-178-dynamic.21-87-r.retail.telecomitalia.it
87.21.179.149	A	host149-179-dynamic.21-87-r.retail.telecomitalia.it
87.21.179.251	A	host251-179-dynamic.21-87-r.retail.telecomitalia.it
87.21.180.21	A	host21-180-dynamic.21-87-r.retail.telecomitalia.it
87.21.180.45	A	host45-180-dynamic.21-87-r.retail.telecomitalia.it
87.21.180.91	A	host91-180-dynamic.21-87-r.retail.telecomitalia.it
87.21.180.94	A	host94-180-dynamic.21-87-r.retail.telecomitalia.it
87.21.180.101	A	host101-180-dynamic.21-87-r.retail.telecomitalia.it
87.21.180.112	A	host112-180-dynamic.21-87-r.retail.telecomitalia.it
87.21.180.188	A	host188-180-dynamic.21-87-r.retail.telecomitalia.it
87.21.182.211	A	host211-182-dynamic.21-87-r.retail.telecomitalia.it
87.21.183.105	A	host105-183-dynamic.21-87-r.retail.telecomitalia.it
87.21.183.133	A	host133-183-dynamic.21-87-r.retail.telecomitalia.it
87.21.183.228	A	host228-183-dynamic.21-87-r.retail.telecomitalia.it
87.21.184.6	A	host6-184-dynamic.21-87-r.retail.telecomitalia.it
87.21.184.130	PTR	host130-184-dynamic.21-87-r.retail.telecomitalia.it
87.21.185.106	A	host106-185-dynamic.21-87-r.retail.telecomitalia.it
87.21.185.150	A	host150-185-dynamic.21-87-r.retail.telecomitalia.it
87.21.186.158	A	host158-186-dynamic.21-87-r.retail.telecomitalia.it
87.21.186.199	A	host199-186-dynamic.21-87-r.retail.telecomitalia.it
87.21.187.23	A	host23-187-dynamic.21-87-r.retail.telecomitalia.it
87.21.189.38	A	host38-189-dynamic.21-87-r.retail.telecomitalia.it
87.21.189.167	A	host167-189-dynamic.21-87-r.retail.telecomitalia.it
87.21.190.173	A	blackout.dyndns.org
87.21.190.173	A	host173-190-dynamic.21-87-r.retail.telecomitalia.it
87.21.190.178	A	host178-190-dynamic.21-87-r.retail.telecomitalia.it