Robtex

Up: 89.189.36.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 89.189.37.0/25
Down right: 89.189.37.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
89.189.37.18	PTR	ip.89.189.37.18.telemar.it
89.189.37.18	A	mail.apiplastic.it
89.189.37.18	A	notes.apiplastic.com
89.189.37.30	PTR	ip.89.189.37.30.telemar.it
89.189.37.30	A	mail.tecnicapompe.it
89.189.37.30	A	mail.techin-opera.it
89.189.37.42	A	posta.studiotestolincrestani.it
89.189.37.82	PTR	mail.mbcrusher.com
89.189.37.82	A	mx2.mbcrusher.com
89.189.37.82	A	mail.mb-crusher.com
89.189.37.91	A	mail.sicitgroup.com
89.189.37.102	PTR	webmail.schib.it
89.189.37.113	PTR	ip.89.189.37.113.telemar.it
89.189.37.113	A	mainovalter.com
89.189.37.113	A	sericar.com
89.189.37.114	PTR	ip.89.189.37.114.telemar.it
89.189.37.114	A	aemmeservice.it
89.189.37.114	A	www.mi-international.org
89.189.37.115	PTR	ip.89.189.37.115.telemar.it
89.189.37.115	A	villaspessa.com
89.189.37.115	A	csevolution.net
89.189.37.116	A	airman.it
89.189.37.116	A	meneguzzo.it
89.189.37.116	A	bassodesign.it
89.189.37.123	PTR	ip.89.189.37.123.telemar.it
89.189.37.123	A	mx2.cattelanitalia.com
89.189.37.123	A	mx2.noir-italia.com
89.189.37.131	PTR	ip.89.189.37.131.telemar.it
89.189.37.140	PTR	mx.europolveri.telemar.it
89.189.37.140	A	server.europolveri.it
89.189.37.141	PTR	ip.89.189.37.141.telemar.it
89.189.37.178	PTR	ip.89.189.37.178.telemar.it
89.189.37.187	A+PTR	mx1.studiotza.it
89.189.37.187	A	mx1.studiotza.com
89.189.37.187	A	mx3.studiotza.com
89.189.37.194	PTR	ip.89.189.37.194.telemar.it
89.189.37.194	A	mail.energia-europa.com
89.189.37.195	A	mx.e-lampsy.com
89.189.37.205	PTR	ip.89.189.37.205.telemar.it
89.189.37.205	A	mail.dynamicjeans.it
89.189.37.205	A	mail2.dynamicjeans.it
89.189.37.220	PTR	www.csqa.it
89.189.37.220	A	web.csqa.it
89.189.37.220	A	csqa.it
89.189.37.221	PTR	ip.89.189.37.221.telemar.it
89.189.37.221	A	mail.valoritalia.net
89.189.37.221	A	mail.csqa.eu
89.189.37.226	A	imap.multione-csf.com
89.189.37.226	A	mail.smev.com
89.189.37.226	A	caronte.smev.com
89.189.37.227	PTR	ip.89.189.37.227.telemar.it
89.189.37.227	A	mx.multione.com
89.189.37.227	A	multione.us
89.189.37.235	A	mail.hydroven.com
89.189.37.242	PTR	ip.89.189.37.242.telemar.it
89.189.37.242	A	mail.siggi.com
89.189.37.242	A	mail.zaccariaspa.net