Robtex

Up: 89.21.192.0/21
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Down left: 89.21.192.0/23
Down right: 89.21.194.0/23

IP	Type	Hostname
89.21.192.12	A	r1.sn-jvo8xgbxo1x-o52e.googlevideo.com
89.21.192.71	A+PTR	host089021192071.static.milliway.it
89.21.192.91	A	mail.gubbioculturamultiservizi.it
89.21.192.91	A	mail.gubbiocm.it
89.21.192.200	PTR	host089021192200.static.milliway.it
89.21.193.15	PTR	host15-193-21-89.convergenze.it
89.21.193.135	PTR	host089021193135.static.milliway.it
89.21.193.249	PTR	host089021193249.static.milliway.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
89.21.194.245	PTR	host089021194245.static.milliway.it