Robtex

Up: 213.187.16.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 213.187.17.0/25
Down right: 213.187.17.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
213.187.17.0	A	0-17-187-213.wifi4all.it
213.187.17.38	A+PTR	38-17-187-213.wifi4all.it
213.187.17.92	PTR	92-17-187-213.wifi4all.it
213.187.17.92	A	mail.1photo.it
213.187.17.92	A	noage.it
213.187.17.93	PTR	93-17-187-213.wifi4all.it
213.187.17.93	A	dilux.it
213.187.17.94	A+PTR	94-17-187-213.wifi4all.it
213.187.17.179	A	179-17-187-213.wifi4all.it
213.187.17.189	PTR	189-17-187-213.wifi4all.it
213.187.17.189	A	adsl0.okinawa.it
213.187.17.189	A	adsl1.okinawa.it
213.187.17.198	PTR	mail.zancangioielli.com
213.187.17.198	A	mail-new.zancangioielli.com
213.187.17.202	A	202-17-187-213.wifi4all.it