Robtex

Up: 5.99.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 5.99.160.0/20
Down right: 5.99.176.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
5.99.160.203	A	smtp1.magigas.it
5.99.160.234	A	mail.gruppoaurea.it
5.99.161.210	A	gruppoaurea.net
5.99.162.50	A	textilelogisticsusa.com
5.99.162.50	A	ns1.francovago.com
5.99.162.50	A	francovago.com
5.99.162.128	A+PTR	host128-162-static.99-5-b.business.telecomitalia.it
5.99.162.146	A	mail.melaistudio.it
5.99.162.163	A+PTR	host163-162-static.99-5-b.business.telecomitalia.it
5.99.162.163	A	mx.bonini.it
5.99.162.185	A	host185-162-static.99-5-b.business.telecomitalia.it
5.99.162.250	A	host250-162-static.99-5-b.business.telecomitalia.it
5.99.163.72	A	host72-163-static.99-5-b.business.telecomitalia.it
5.99.163.130	A	mail.rosini-sofa.it
5.99.163.130	A	rosini-sofa.it
5.99.163.162	PTR	mail.anico.it
5.99.164.196	A	elmas2k3.elmas.it
5.99.165.247	A	www.axiom.it
5.99.165.248	A	mx1.axiom.it
5.99.165.248	A	mostro.axiom.it
5.99.165.248	A	ns1.axiom.it
5.99.168.226	A+PTR	host226-168-static.99-5-b.business.telecomitalia.it
5.99.170.146	A	host146-170-static.99-5-b.business.telecomitalia.it
5.99.172.33	A	host33-172-static.99-5-b.business.telecomitalia.it
5.99.173.59	A	host59-173-static.99-5-b.business.telecomitalia.it
5.99.175.59	A	host59-175-static.99-5-b.business.telecomitalia.it
5.99.176.30	A	mail.consauto.com
5.99.177.93	A	host93-177-static.99-5-b.business.telecomitalia.it
5.99.177.109	A	host109-177-static.99-5-b.business.telecomitalia.it
5.99.177.202	A	host202-177-static.99-5-b.business.telecomitalia.it
5.99.177.234	A	host234-177-static.99-5-b.business.telecomitalia.it
5.99.182.3	A+PTR	host3-182-static.99-5-b.business.telecomitalia.it
5.99.182.5	A	host5-182-static.99-5-b.business.telecomitalia.it
5.99.182.9	A	host9-182-static.99-5-b.business.telecomitalia.it
5.99.182.23	A	host23-182-static.99-5-b.business.telecomitalia.it
5.99.182.33	A+PTR	host33-182-static.99-5-b.business.telecomitalia.it
5.99.182.36	A	host36-182-static.99-5-b.business.telecomitalia.it
5.99.182.40	A	host40-182-static.99-5-b.business.telecomitalia.it
5.99.182.41	A	host41-182-static.99-5-b.business.telecomitalia.it
5.99.182.69	A	host69-182-static.99-5-b.business.telecomitalia.it
5.99.182.70	A	host70-182-static.99-5-b.business.telecomitalia.it
5.99.182.74	A	host74-182-static.99-5-b.business.telecomitalia.it
5.99.182.77	A	host77-182-static.99-5-b.business.telecomitalia.it
5.99.182.100	A	host100-182-static.99-5-b.business.telecomitalia.it
5.99.182.101	A	host101-182-static.99-5-b.business.telecomitalia.it
5.99.182.103	A	host103-182-static.99-5-b.business.telecomitalia.it
5.99.182.104	A	host104-182-static.99-5-b.business.telecomitalia.it
5.99.182.131	A+PTR	host131-182-static.99-5-b.business.telecomitalia.it
5.99.182.144	A	host144-182-static.99-5-b.business.telecomitalia.it
5.99.182.147	A	host147-182-static.99-5-b.business.telecomitalia.it
5.99.182.156	A	host156-182-static.99-5-b.business.telecomitalia.it
5.99.182.164	A	host164-182-static.99-5-b.business.telecomitalia.it
5.99.182.167	A	host167-182-static.99-5-b.business.telecomitalia.it
5.99.182.168	A	host168-182-static.99-5-b.business.telecomitalia.it
5.99.182.184	A	host184-182-static.99-5-b.business.telecomitalia.it
5.99.182.194	A+PTR	host194-182-static.99-5-b.business.telecomitalia.it
5.99.182.201	A	host201-182-static.99-5-b.business.telecomitalia.it
5.99.182.202	A	host202-182-static.99-5-b.business.telecomitalia.it
5.99.182.206	A	host206-182-static.99-5-b.business.telecomitalia.it
5.99.182.224	A+PTR	host224-182-static.99-5-b.business.telecomitalia.it
5.99.182.226	A+PTR	host226-182-static.99-5-b.business.telecomitalia.it
5.99.182.230	A	host230-182-static.99-5-b.business.telecomitalia.it
5.99.182.237	A	host237-182-static.99-5-b.business.telecomitalia.it
5.99.183.21	A	host21-183-static.99-5-b.business.telecomitalia.it
5.99.183.25	A	host25-183-static.99-5-b.business.telecomitalia.it
5.99.183.28	A	host28-183-static.99-5-b.business.telecomitalia.it
5.99.183.69	A	host69-183-static.99-5-b.business.telecomitalia.it
5.99.183.73	A	host73-183-static.99-5-b.business.telecomitalia.it
5.99.183.76	A	host76-183-static.99-5-b.business.telecomitalia.it
5.99.183.80	A	host80-183-static.99-5-b.business.telecomitalia.it
5.99.183.101	A	host101-183-static.99-5-b.business.telecomitalia.it
5.99.183.102	A	host102-183-static.99-5-b.business.telecomitalia.it
5.99.183.104	A	host104-183-static.99-5-b.business.telecomitalia.it
5.99.183.117	A	host117-183-static.99-5-b.business.telecomitalia.it
5.99.183.128	A+PTR	host128-183-static.99-5-b.business.telecomitalia.it
5.99.183.133	A	host133-183-static.99-5-b.business.telecomitalia.it
5.99.183.146	A	host146-183-static.99-5-b.business.telecomitalia.it
5.99.183.160	A+PTR	host160-183-static.99-5-b.business.telecomitalia.it
5.99.183.173	A	host173-183-static.99-5-b.business.telecomitalia.it
5.99.183.175	A	host175-183-static.99-5-b.business.telecomitalia.it
5.99.183.177	A	host177-183-static.99-5-b.business.telecomitalia.it
5.99.183.197	A	host197-183-static.99-5-b.business.telecomitalia.it
5.99.183.205	A	host205-183-static.99-5-b.business.telecomitalia.it
5.99.183.217	A	host217-183-static.99-5-b.business.telecomitalia.it
5.99.183.227	PTR	host227-183-static.99-5-b.business.telecomitalia.it
5.99.183.239	A	host239-183-static.99-5-b.business.telecomitalia.it
5.99.183.241	A	host241-183-static.99-5-b.business.telecomitalia.it
5.99.184.108	A	mail.orbit.net