Robtex

Up: 89.21.192.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 89.21.192.0/20
Down right: 89.21.208.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
89.21.192.12	A	r1.sn-jvo8xgbxo1x-o52e.googlevideo.com
89.21.192.71	A	host089021192071.static.milliway.it
89.21.192.91	A	mail.gubbioculturamultiservizi.it
89.21.192.91	A	mail.gubbiocm.it
89.21.194.34	A	mail2.euristica.com
89.21.194.35	A+PTR	host089021194035.static.milliway.it
89.21.194.35	A	lomail2.milliway.it
89.21.194.44	A	mail.majorfax.it
89.21.197.75	A	relay.pumpthemusic.com
89.21.198.20	PTR	host20-198-21-89.convergenze.it
89.21.198.192	PTR	host192-198-21-89.convergenze.it
89.21.199.59	PTR	host59-199-21-89.convergenze.it
89.21.199.103	PTR	host103-199-21-89.convergenze.it
89.21.199.103	A	radiopaestum.no-ip.biz
89.21.200.8	PTR	host8-200-21-89.convergenze.it
89.21.200.8	A	vearicambi.com
89.21.200.50	A	mail.seciedilizia.com
89.21.200.88	PTR	host88-200-21-89.convergenze.it
89.21.200.116	PTR	host116-200-21-89.convergenze.it
89.21.200.116	A	mx2.diocesivallodellalucania.it
89.21.200.116	A	mx1.diocesivallodellalucania.it
89.21.200.226	A	exchange.arabafenicespa.com
89.21.201.3	A	enzoviola.it
89.21.201.3	A	mx1.wifreesrl.it
89.21.201.3	A	mx2.wifreehotspot.com
89.21.204.28	A	cilentoeat.com
89.21.204.29	A	www.bccaquara.it
89.21.204.29	A	bccaquara.it
89.21.204.45	A	convergenze.it
89.21.204.46	A	aristeaspa.eu
89.21.204.46	A	sicert.net
89.21.204.46	A	aristeaspa.com
89.21.204.67	PTR	host67-204-21-89.convergenze.it
89.21.204.69	A	www.stiletv.it
89.21.204.83	A	www.marcheholiday.it
89.21.204.83	A	marcheholiday.it
89.21.204.86	A	cloliday.com
89.21.204.226	PTR	host226-204-21-89.convergenze.it
89.21.207.1	PTR	host1-207-21-89.convergenze.it
89.21.208.225	PTR	host225-208-21-89.convergenze.it
89.21.210.115	A	mail.cartrans.it
89.21.210.115	A	mail.cardinalegroup.it
89.21.210.205	A	mail2.elettroarredi.it
89.21.212.3	PTR	host3-212-21-89.convergenze.it
89.21.216.126	PTR	host126-216-21-89.convergenze.it
89.21.218.18	A	quing.it
89.21.218.18	A	cilentopedia.net
89.21.218.18	A	cilentoinnovazione.org
89.21.218.169	A	royalsport.it
89.21.218.169	A	www.royalsport.it
89.21.218.169	A	www.mondialcup.it
89.21.219.4	PTR	host4-219-21-89.convergenze.it
89.21.219.25	A	champion.dyndns.org
89.21.219.32	PTR	host32-219-21-89.convergenze.it
89.21.219.64	PTR	host64-219-21-89.convergenze.it
89.21.219.66	PTR	host66-219-21-89.convergenze.it
89.21.219.96	PTR	host96-219-21-89.convergenze.it
89.21.219.128	PTR	host128-219-21-89.convergenze.it
89.21.219.129	PTR	host129-219-21-89.convergenze.it
89.21.219.160	PTR	host160-219-21-89.convergenze.it
89.21.219.163	PTR	host163-219-21-89.convergenze.it
89.21.219.195	PTR	host195-219-21-89.convergenze.it
89.21.219.226	PTR	host226-219-21-89.convergenze.it
89.21.221.160	PTR	host160-221-21-89.convergenze.it