Robtex

Up: 31.3.188.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 31.3.189.0/25
Down right: 31.3.189.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
31.3.189.74	PTR	31_3_189_074.ip.cesenanet.net
31.3.189.74	A	mx1.omniaplace.com
31.3.189.74	A	mx2.bioresult.it
31.3.189.75	A+PTR	31_3_189_075.ip.cesenanet.net
31.3.189.75	A	www.solotipico.it
31.3.189.75	A	www.solotipico.com
31.3.189.76	A+PTR	31_3_189_076.ip.cesenanet.net
31.3.189.76	A	www.eresult.it
31.3.189.76	A	www.testaemolinaro.it
31.3.189.86	A	mail.camacartigrafiche.com
31.3.189.140	A	mail1.ferretticonsulting.it
31.3.189.202	A	mail.monteservice.com
31.3.189.202	A	mx.monteservice.com
31.3.189.219	A	mail.robatech.it