Robtex

Up: 128.65.200.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 128.65.200.0/25
Down right: 128.65.200.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
128.65.200.13	A	ping.x-stream.biz
128.65.200.68	A	mail.x-stream.biz
128.65.200.68	A	mail.sitesistemi.it
128.65.200.72	A	mail.sitesistemi.it
128.65.200.74	A	clubdigitale.org
128.65.200.74	A	sitesistemi.it
128.65.200.74	A	www.x-stream.biz
128.65.200.78	A	www.casamoda28.it
128.65.200.78	A	keramould.com
128.65.200.78	A	www.tmp-srl.it
128.65.200.80	A+PTR	sitesrvdns1.sitesistemi.it
128.65.200.80	A	sitesrvdns1.x-stream.biz
128.65.200.81	A+PTR	sitesrvdns2.sitesistemi.it
128.65.200.81	A	sitesrvdns2.x-stream.biz
128.65.200.82	A+PTR	smtp.mywaycom.it
128.65.200.82	A	mx2.x-stream.biz
128.65.200.84	PTR	relay.x-stream.biz
128.65.200.84	A	mx1.x-stream.biz
128.65.200.88	A+PTR	smtp.way-net.it
128.65.200.88	A	897961.cn
128.65.200.88	A	chicagomethadone.net
128.65.200.100	A	mail.sicuramail.com
128.65.200.101	A+PTR	nerilaw.sicuramail.com
128.65.200.101	A	mx.nerilaw.it
128.65.200.102	A+PTR	errevi.sicuramail.com
128.65.200.102	A	mx.errevielettric.it
128.65.200.102	A	imap.errevielettric.it
128.65.200.103	A+PTR	knowmedical.sicuramail.com
128.65.200.103	A	mx.knowmedical.com
128.65.200.104	A+PTR	tinarelli.sicuramail.com
128.65.200.104	A	mx.tinarellisrl.com
128.65.200.133	A	sellers.x-stream.biz