Robtex

Up: 89.189.58.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 89.189.59.0/25
Down right: 89.189.59.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
89.189.59.23	PTR	ip.89.189.59.23.telemar.it
89.189.59.46	A	mail.worldmec.com
89.189.59.46	A	mail.dyamach.it
89.189.59.130	PTR	ip.89.189.59.130.telemar.it
89.189.59.130	A	mail.zogi.it
89.189.59.186	PTR	ip.89.189.59.186.telemar.it
89.189.59.186	A	geinox.it
89.189.59.186	A	mail.geinox.it
89.189.59.214	PTR	ip.89.189.59.214.telemar.it
89.189.59.214	A	mail.formulapizza.com
89.189.59.214	A	enodia.com
89.189.59.250	PTR	mail.3fchimica.com
89.189.59.250	A	mx1.3fchimicaamericas.com
89.189.59.250	A	mail.3fchimicaamericas.com