Robtex

Up: 87.253.96.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 87.253.112.0/21
Down right: 87.253.120.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
87.253.112.95	PTR	host-95-112.253-87.enter.it
87.253.112.190	PTR	host-190-112.253-87.enter.it
87.253.112.217	PTR	host-217-112.253-87.enter.it
87.253.115.1	PTR	host-1-115.253-87.enter.it
87.253.115.52	PTR	host-52-115.253-87.enter.it
87.253.115.172	PTR	host-172-115.253-87.enter.it
87.253.115.197	PTR	host-197-115.253-87.enter.it
87.253.118.185	A	www.magzdar.net
87.253.118.185	A	mail.magzdar.net
87.253.118.185	A	magzdar.net
87.253.120.126	PTR	host-126-120.253-87.enter.it
87.253.122.26	PTR	host-26-122.253-87.enter.it
87.253.123.33	PTR	host-33-123.253-87.enter.it
87.253.123.194	PTR	host-194-123.253-87.enter.it
87.253.123.255	PTR	host-255-123.253-87.enter.it
87.253.124.154	PTR	host-154-124.253-87.enter.it
87.253.124.155	PTR	host-155-124.253-87.enter.it
87.253.124.195	PTR	host-195-124.253-87.enter.it
87.253.124.195	A	mail.nuvolainformatica.com
87.253.124.195	A	mail.alfonsomadeo.com
87.253.124.198	A	mail.teseoweb.org
87.253.125.10	PTR	host-10-125.253-87.enter.it
87.253.125.11	PTR	mgt.gigasec.org
87.253.125.114	PTR	host-114-125.253-87.enter.it
87.253.125.114	A	mail.latecnikadue.com
87.253.125.218	PTR	hal9000.logicalsystems.it
87.253.125.220	PTR	www.logicalsystems.it
87.253.125.220	A	lsys.it.logicalsystems.it
87.253.125.221	PTR	jack.logicalsystems.it
87.253.126.114	A	ns.configmaker.net
87.253.126.218	A	mbox.acquatechsrl.com
87.253.126.222	A	pop.albatrosto.it