Robtex

Up: 185.4.140.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 185.4.140.0/25
Down right: 185.4.140.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
185.4.140.111	PTR	mx01.planetel.it
185.4.140.111	A	mx01.bs.planetel.it
185.4.140.111	A	mx01.bs.ancara.net
185.4.140.112	PTR	mx02.planetel.it
185.4.140.112	A	mx02.bs.planetel.it
185.4.140.112	A	mx02.bs.ancara.net
185.4.140.150	A	mail.oliodolmen.it
185.4.140.150	A	mail.joomlaspace.it
185.4.140.150	A	mail.hopmobile.net
185.4.140.175	A	mailgw03.planetel.it
185.4.140.175	A	mailscanner.planetel.it
185.4.140.176	A+PTR	mailgw04.planetel.it
185.4.140.176	A	mailscanner.planetel.it
185.4.140.251	PTR	smtp.planetel.it
185.4.140.251	A	mail.alservizi.it
185.4.140.251	A	smtp.alservizi.it
185.4.140.252	A+PTR	smtp02.bs.planetel.it
185.4.140.252	A	mail.alservizi.it
185.4.140.252	A	smtp.alservizi.it
185.4.140.253	A+PTR	smtp03.bs.planetel.it
185.4.140.253	A	mail.alservizi.it
185.4.140.253	A	smtp.alservizi.it
185.4.140.254	A+PTR	smtp04.bs.planetel.it
185.4.140.254	A	mail.alservizi.it
185.4.140.254	A	smtp.alservizi.it