Robtex

Up: 81.74.192.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 81.74.192.0/20
Down right: 81.74.208.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.74.192.47	A	host47-192-static.74-81-b.business.telecomitalia.it
81.74.192.65	PTR	host65-192-static.74-81-b.business.telecomitalia.it
81.74.192.65	A	mx1.fermon.it
81.74.192.72	A	host72-192-static.74-81-b.business.telecomitalia.it
81.74.193.12	PTR	host12-193-static.74-81-b.business.telecomitalia.it
81.74.193.12	A	mail2.pfeiffer-vacuum.it
81.74.194.106	PTR	host106-194-static.74-81-b.business.telecomitalia.it
81.74.194.106	A	mail2.fincoma.it
81.74.196.142	A+PTR	host142-196-static.74-81-b.business.telecomitalia.it
81.74.196.206	A+PTR	host206-196-static.74-81-b.business.telecomitalia.it
81.74.196.238	A+PTR	host238-196-static.74-81-b.business.telecomitalia.it
81.74.198.241	A+PTR	host241-198-static.74-81-b.business.telecomitalia.it
81.74.201.24	A+PTR	host24-201-static.74-81-b.business.telecomitalia.it
81.74.201.41	A+PTR	host41-201-static.74-81-b.business.telecomitalia.it
81.74.201.43	A+PTR	host43-201-static.74-81-b.business.telecomitalia.it
81.74.201.50	PTR	remote.mpgamma.com
81.74.201.51	A+PTR	host51-201-static.74-81-b.business.telecomitalia.it
81.74.201.57	A	mail2.studiobertolinipiroli.it
81.74.201.121	A+PTR	host121-201-static.74-81-b.business.telecomitalia.it
81.74.201.122	A+PTR	host122-201-static.74-81-b.business.telecomitalia.it
81.74.201.123	A+PTR	host123-201-static.74-81-b.business.telecomitalia.it
81.74.201.135	A	host135-201-static.74-81-b.business.telecomitalia.it
81.74.201.181	A+PTR	host181-201-static.74-81-b.business.telecomitalia.it
81.74.205.65	A+PTR	host65-205-static.74-81-b.business.telecomitalia.it
81.74.205.174	A+PTR	host174-205-static.74-81-b.business.telecomitalia.it
81.74.205.208	A+PTR	host208-205-static.74-81-b.business.telecomitalia.it
81.74.205.219	A+PTR	host219-205-static.74-81-b.business.telecomitalia.it
81.74.208.59	A+PTR	host59-208-static.74-81-b.business.telecomitalia.it
81.74.215.153	A+PTR	host153-215-static.74-81-b.business.telecomitalia.it
81.74.215.154	A+PTR	host154-215-static.74-81-b.business.telecomitalia.it
81.74.215.155	A+PTR	host155-215-static.74-81-b.business.telecomitalia.it
81.74.215.242	PTR	host242-215-static.74-81-b.business.telecomitalia.it
81.74.215.242	A	mx1.comoli.it
81.74.215.242	A	comoli.it
81.74.223.49	A	nosfutura.it