Robtex

Up: 151.1.48.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 151.1.48.0/25
Down right: 151.1.48.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
151.1.48.1	A+PTR	web010101.sh.it.net
151.1.48.2	A+PTR	web010102.sh.it.net
151.1.48.3	A+PTR	web010103.sh.it.net
151.1.48.4	A+PTR	web010104.sh.it.net
151.1.48.5	PTR	vir010101.sh.it.net
151.1.48.5	A	easterngranit.it
151.1.48.5	A	www.cargas.it
151.1.48.6	A+PTR	web010201.sh.it.net
151.1.48.7	A+PTR	web010202.sh.it.net
151.1.48.8	A+PTR	web010203.sh.it.net
151.1.48.10	PTR	vir010201.sh.it.net
151.1.48.10	A	elfgas.it
151.1.48.10	A	comasa.it
151.1.48.50	A	tecninox.net
151.1.48.50	A	owlitalia.com
151.1.48.50	A	www.balzarottiascensori.it
151.1.48.51	A	romeinternationalschool.net
151.1.48.51	A	studiorovatti.it
151.1.48.51	A	www.milleri.it
151.1.48.220	PTR	redirect01.sh.it.net
151.1.48.220	A	girsud.com
151.1.48.220	A	rosaia.it
151.1.48.231	A	mx.open-desk.it