Robtex

Up: 83.139.196.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 83.139.197.0/25
Down right: 83.139.197.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
83.139.197.11	PTR	host11-197.pool83139.agactel.it
83.139.197.75	PTR	mail.filcar.it
83.139.197.75	A	mail.filcar.eu
83.139.197.75	A	mail.filcar.es
83.139.197.90	A+PTR	srv90.datachannel.it
83.139.197.92	A+PTR	srv92.datachannel.it
83.139.197.93	A+PTR	mail.seitel.biz
83.139.197.93	A	smtp.rossoxweb.com
83.139.197.93	A	mail.seit.it
83.139.197.94	A+PTR	srv94.datachannel.it
83.139.197.94	A	ns2.iotti.biz
83.139.197.94	A	ns2.iotti.pro
83.139.197.96	A+PTR	srv96.datachannel.it
83.139.197.96	A	mx10.seitel.biz
83.139.197.123	A+PTR	srv123.datachannel.it
83.139.197.123	A	ns2.bticinodns.com
83.139.197.123	A	ns2.kseniadns.com