Robtex

Up: 178.255.224.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 178.255.240.0/21
Down right: 178.255.248.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
178.255.240.1	PTR	ns1.hostingtek.it
178.255.240.1	A	ns1.hostingteam.it
178.255.240.2	PTR	ns2.hostingtek.it
178.255.240.4	A	wweb.hostingteam.it
178.255.240.4	A	tessport.com
178.255.240.4	A	steelbau.com
178.255.240.11	A	pop3.refuerzo-forjados.com
178.255.240.11	A	pop3.studiomarra.net
178.255.240.11	A	pop3.macpan.com
178.255.240.12	A	scledensi.com
178.255.240.20	A+PTR	mysql.hostingteam.it
178.255.240.23	PTR	ssh.hostingteam.it
178.255.240.23	A	clersud.com
178.255.240.23	A	mx1.studiodue.info
178.255.240.33	A+PTR	vps.azspa.it
178.255.240.33	A	scledensi.com
178.255.240.33	A	mx1.azspa.cn
178.255.240.216	A+PTR	relay.witcom.com
178.255.240.216	A	mx2.faraplan.net
178.255.240.216	A	mx2.faraplan.info
178.255.240.225	A+PTR	smtpoutb.witcom.com
178.255.240.226	A	smtpouta.witcom.com
178.255.240.230	PTR	www.witcom.com
178.255.240.230	A	diatex.it
178.255.240.230	A	grassi1880.it
178.255.241.4	PTR	ftp2.hostingtek.it
178.255.241.4	PTR	migration.hostingtek.it
178.255.241.4	PTR	web2.hostingtek.it
178.255.241.5	PTR	ftp1.hostingtek.it
178.255.241.5	PTR	web1.hostingtek.it
178.255.241.5	A	mysql.hostingteam.it
178.255.241.6	PTR	ssweb1.hostingtek.it
178.255.241.6	A	scledensi.com
178.255.241.100	PTR	mail1.hostingtek.it
178.255.241.100	A	mx2.faraplan.net
178.255.241.100	A	mx2.faraplan.info
178.255.241.101	PTR	mail1.hostingtek.it
178.255.241.104	PTR	mail2.hostingtek.it
178.255.241.105	PTR	mail2.hostingtek.it
178.255.241.250	A+PTR	ns1.hostingtek.it
178.255.241.250	A	ns1.hostingteam.it
178.255.241.250	A	ns1.mediavip.com
178.255.241.251	PTR	ns2.hostingtek.it
178.255.241.252	PTR	relay2.cloudmx.io
178.255.248.1	A+PTR	ns.zato.ru
178.255.248.6	A+PTR	www.zato.ru
178.255.248.6	A	zato.ru
178.255.248.10	A+PTR	mx2.zato.ru
178.255.248.11	PTR	luna.zato.ru
178.255.248.18	A+PTR	ns2.zato.ru
178.255.248.21	A+PTR	vhost.zato.ru
178.255.248.49	A	orgres.zato.ru
178.255.248.100	A	mail.zarcit.ru
178.255.248.130	A	dsl.zato.ru
178.255.248.134	A+PTR	erkc.zato.ru
178.255.248.134	A	www.erkc.zato.ru
178.255.248.134	A	mail.erkc-zato.ru
178.255.248.172	A	kvk.zato.ru
178.255.248.211	A+PTR	zarechny.zato.ru
178.255.248.224	A	ns1.zarcit.ru
178.255.248.225	A+PTR	225.248.255.178.sta.dsl.zato.ru
178.255.248.225	A	mail.zarembo.net
178.255.248.225	A	dns.zarembo.net
178.255.255.115	PTR	115.255.255.178.dyn.dsl.zato.ru
178.255.255.115	A	tutiendaymas.es