Robtex

Up: 87.21.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 87.21.0.0/20
Down right: 87.21.16.0/20

IP	Type	Hostname
87.21.0.3	PTR	host3-0-dynamic.21-87-r.retail.telecomitalia.it
87.21.0.5	A	qtsnet.hu
87.21.0.59	A	host59-0-dynamic.21-87-r.retail.telecomitalia.it
87.21.1.151	A	host151-1-dynamic.21-87-r.retail.telecomitalia.it
87.21.2.2	A	host2-2-dynamic.21-87-r.retail.telecomitalia.it
87.21.2.39	A	host39-2-dynamic.21-87-r.retail.telecomitalia.it
87.21.2.54	A	mail.robertomontanari.net
87.21.2.74	A	host74-2-dynamic.21-87-r.retail.telecomitalia.it
87.21.2.173	A	host173-2-dynamic.21-87-r.retail.telecomitalia.it
87.21.2.249	A	host249-2-dynamic.21-87-r.retail.telecomitalia.it
87.21.3.52	A	host52-3-dynamic.21-87-r.retail.telecomitalia.it
87.21.3.214	A	host214-3-dynamic.21-87-r.retail.telecomitalia.it
87.21.4.2	A	host2-4-dynamic.21-87-r.retail.telecomitalia.it
87.21.5.2	A+PTR	host2-5-dynamic.21-87-r.retail.telecomitalia.it
87.21.5.151	A	host151-5-dynamic.21-87-r.retail.telecomitalia.it
87.21.5.176	A	host176-5-dynamic.21-87-r.retail.telecomitalia.it
87.21.6.21	A	host21-6-dynamic.21-87-r.retail.telecomitalia.it
87.21.6.48	A	host48-6-dynamic.21-87-r.retail.telecomitalia.it
87.21.6.72	A	host72-6-dynamic.21-87-r.retail.telecomitalia.it
87.21.6.79	A	host79-6-dynamic.21-87-r.retail.telecomitalia.it
87.21.6.86	A	host86-6-dynamic.21-87-r.retail.telecomitalia.it
87.21.6.131	A	host131-6-dynamic.21-87-r.retail.telecomitalia.it
87.21.6.146	A	host146-6-dynamic.21-87-r.retail.telecomitalia.it
87.21.6.191	A	host191-6-dynamic.21-87-r.retail.telecomitalia.it
87.21.7.187	A	host187-7-dynamic.21-87-r.retail.telecomitalia.it
87.21.8.73	A	host73-8-dynamic.21-87-r.retail.telecomitalia.it
87.21.8.249	A	host249-8-dynamic.21-87-r.retail.telecomitalia.it
87.21.9.2	A+PTR	host2-9-dynamic.21-87-r.retail.telecomitalia.it
87.21.9.5	A	host5-9-dynamic.21-87-r.retail.telecomitalia.it
87.21.10.204	A	host204-10-dynamic.21-87-r.retail.telecomitalia.it
87.21.11.2	A	host2-11-dynamic.21-87-r.retail.telecomitalia.it
87.21.11.172	A	host172-11-dynamic.21-87-r.retail.telecomitalia.it
87.21.13.2	A	host2-13-dynamic.21-87-r.retail.telecomitalia.it
87.21.13.74	A	host74-13-dynamic.21-87-r.retail.telecomitalia.it
87.21.13.150	A	host150-13-dynamic.21-87-r.retail.telecomitalia.it
87.21.13.160	PTR	host160-13-dynamic.21-87-r.retail.telecomitalia.it
87.21.14.243	A	host243-14-dynamic.21-87-r.retail.telecomitalia.it
87.21.15.41	A	host41-15-dynamic.21-87-r.retail.telecomitalia.it
87.21.16.18	A	host18-16-dynamic.21-87-r.retail.telecomitalia.it
87.21.16.112	A	host112-16-dynamic.21-87-r.retail.telecomitalia.it
87.21.17.48	A	host48-17-dynamic.21-87-r.retail.telecomitalia.it
87.21.17.201	A	host201-17-dynamic.21-87-r.retail.telecomitalia.it
87.21.19.33	A+PTR	host33-19-dynamic.21-87-r.retail.telecomitalia.it
87.21.21.28	A	host28-21-dynamic.21-87-r.retail.telecomitalia.it
87.21.22.242	A	casaseba.vdr-s.com
87.21.23.54	A	host54-23-dynamic.21-87-r.retail.telecomitalia.it
87.21.23.83	A	host83-23-dynamic.21-87-r.retail.telecomitalia.it
87.21.23.84	A	webwalkgt.com
87.21.24.45	A	host45-24-dynamic.21-87-r.retail.telecomitalia.it
87.21.24.111	A	host111-24-dynamic.21-87-r.retail.telecomitalia.it
87.21.24.182	A	glab2app.com
87.21.25.2	A	host2-25-dynamic.21-87-r.retail.telecomitalia.it
87.21.28.161	PTR	host161-28-dynamic.21-87-r.retail.telecomitalia.it
87.21.30.73	A	host73-30-dynamic.21-87-r.retail.telecomitalia.it
87.21.30.136	A	host136-30-dynamic.21-87-r.retail.telecomitalia.it
87.21.31.14	A	host14-31-dynamic.21-87-r.retail.telecomitalia.it
87.21.31.15	A	host15-31-dynamic.21-87-r.retail.telecomitalia.it
87.21.31.19	A	host19-31-dynamic.21-87-r.retail.telecomitalia.it
87.21.31.29	A	host29-31-dynamic.21-87-r.retail.telecomitalia.it
87.21.31.62	A	host62-31-dynamic.21-87-r.retail.telecomitalia.it
87.21.31.78	A	host78-31-dynamic.21-87-r.retail.telecomitalia.it
87.21.31.88	A	host88-31-dynamic.21-87-r.retail.telecomitalia.it
87.21.31.95	A	host95-31-dynamic.21-87-r.retail.telecomitalia.it
87.21.31.96	PTR	host96-31-dynamic.21-87-r.retail.telecomitalia.it
87.21.31.99	PTR	host99-31-dynamic.21-87-r.retail.telecomitalia.it
87.21.31.102	A	host102-31-dynamic.21-87-r.retail.telecomitalia.it
87.21.31.104	A	host104-31-dynamic.21-87-r.retail.telecomitalia.it
87.21.31.109	A	host109-31-dynamic.21-87-r.retail.telecomitalia.it
87.21.31.112	A	host112-31-dynamic.21-87-r.retail.telecomitalia.it
87.21.31.142	A	host142-31-dynamic.21-87-r.retail.telecomitalia.it
87.21.31.151	A	host151-31-dynamic.21-87-r.retail.telecomitalia.it
87.21.31.152	A	host152-31-dynamic.21-87-r.retail.telecomitalia.it
87.21.31.153	A	host153-31-dynamic.21-87-r.retail.telecomitalia.it
87.21.31.178	A	host178-31-dynamic.21-87-r.retail.telecomitalia.it
87.21.31.212	A	host212-31-dynamic.21-87-r.retail.telecomitalia.it
87.21.31.222	A	host222-31-dynamic.21-87-r.retail.telecomitalia.it
87.21.31.227	A+PTR	host227-31-dynamic.21-87-r.retail.telecomitalia.it
87.21.31.233	A	host233-31-dynamic.21-87-r.retail.telecomitalia.it
87.21.31.248	A	host248-31-dynamic.21-87-r.retail.telecomitalia.it