Robtex

Up: 217.115.22.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 217.115.22.0/25
Down right: 217.115.22.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.115.22.1	A+PTR	host001.pool022115217.sta.multiwire.net
217.115.22.5	A+PTR	host005.pool022115217.sta.multiwire.net
217.115.22.10	A+PTR	dc1.cooperativacts.it
217.115.22.18	PTR	email-ca.fagartigrafiche.com
217.115.22.25	A+PTR	host025.pool022115217.sta.multiwire.net
217.115.22.41	A+PTR	host041.pool022115217.sta.multiwire.net
217.115.22.58	A+PTR	email-ca.fagartigrafiche.com
217.115.22.90	A+PTR	email.fagartigrafiche.com
217.115.22.107	A	mx.nfcoop.it
217.115.22.109	A+PTR	mail.plastpackpackaging.it
217.115.22.137	A+PTR	host137.pool022115217.sta.multiwire.net
217.115.22.138	A+PTR	mail.cresoricerca.it
217.115.22.138	A	mail.agrion.it
217.115.22.146	PTR	mail.toscani.com
217.115.22.146	A	mail.quadratorosso.it
217.115.22.146	A	mail.olivierotoscani.it
217.115.22.154	A+PTR	email.ctmitalia.it
217.115.22.154	A	*.ctmitalia.it
217.115.22.170	A+PTR	mail2.gruppocavallo.it
217.115.22.178	PTR	mail1.toscani.com
217.115.22.178	A	mail1.olivierotoscani.it
217.115.22.178	A	mail1.toscani.it
217.115.22.187	PTR	mail1.dero.it
217.115.22.201	A+PTR	host201.pool022115217.sta.multiwire.net
217.115.22.205	A+PTR	host205.pool022115217.sta.multiwire.net
217.115.22.211	A+PTR	email.futurgraficatorino.it
217.115.22.211	A	email.futurgraficaweb.it
217.115.22.226	A	mail.vanzettiengineering.com
217.115.22.230	A+PTR	mx1.lepaghe.it
217.115.22.235	PTR	online.lepaghe.it
217.115.22.236	A+PTR	host236.pool022115217.sta.multiwire.net
217.115.22.236	A	lepaghe.it