Robtex

Up: 79.99.0.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 79.99.8.0/22
Down right: 79.99.12.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
79.99.8.1	A+PTR	ns1.sistemi.com
79.99.8.2	A+PTR	ns2.sistemi.com
79.99.8.3	A+PTR	ww1.sistemi.com
79.99.8.7	A	ww8.sistemi.com
79.99.8.11	A	smtp.sisteminet.it
79.99.8.14	A	ntinfocam.infocam.it
79.99.8.15	A+PTR	mail.sistemi.com
79.99.8.15	A	mail.sisteminrete.com
79.99.8.18	PTR	assistenza2.sistemi.com
79.99.8.18	A	assistenza.sistemi.com
79.99.8.19	A	*.sisteminrete.com
79.99.8.19	A	bitsuploadv2.sisteminrete.com
79.99.8.26	A+PTR	wwlb2.sistemi.com
79.99.8.29	PTR	wwlb.sistemi.com
79.99.8.29	A+PTR	www.infoprofis.it
79.99.8.29	A	assistenza.sistemi.com
79.99.8.30	PTR	redir2.sistemi.com
79.99.8.32	A+PTR	app.sisteminrete.com
79.99.8.32	PTR	bits.sisteminrete.com
79.99.8.32	PTR	bitsupload.sisteminrete.com
79.99.8.55	A+PTR	sistemimpresa.com
79.99.8.55	A+PTR	sistemimpresa.it
79.99.8.55	PTR	www.sistemimpresa.com
79.99.8.57	A+PTR	smtp5.quadrasistemi.it
79.99.8.57	A	towebsmtp0001.sistemi.com
79.99.8.69	PTR	smtp2.sistemi.com
79.99.8.69	A	smtp3.sisteminrete.com
79.99.8.69	A	smtp2.profisweb.it
79.99.8.70	PTR	smtp4.quadrasistemi.com
79.99.8.70	PTR	smtp4.sistemi.com
79.99.8.71	PTR	smtp.sistemi.com
79.99.8.71	PTR	smtp.sportello.cloud
79.99.8.71	PTR	smtp.studioinrete.it
79.99.8.72	PTR	smtp3.sistemi.com
79.99.8.72	A+PTR	smtp3.quadrasistemi.com
79.99.8.72	A	smtp3.sisteminrete.com
79.99.8.74	PTR	sirdev.sistemi.com
79.99.8.83	A	esacta.profisweb.it
79.99.8.83	A	*.profisweb.it
79.99.8.87	A	rdpls.sistemi.com
79.99.8.94	A+PTR	stagingprodotti.sistemi.com
79.99.8.94	A+PTR	sistemi.net
79.99.8.94	PTR	stagingsavej.savej.it
79.99.8.97	A+PTR	demo-sv.savej.it
79.99.8.103	A+PTR	supporto.sistemi.com
79.99.8.112	A	ww76.sistemi.com
79.99.8.114	A+PTR	datamigrator.sistemi.com
79.99.8.119	A	www.sistemi.com
79.99.8.119	A	wwlb6.sistemi.com
79.99.8.121	A	esacta.profisweb.it
79.99.8.121	A	*.profisweb.it
79.99.8.121	A	sistemicremona.com
79.99.8.122	PTR	documentazione.sistemi.com
79.99.8.122	PTR	mir.sistemi.com
79.99.8.122	PTR	survey.sistemi.com
79.99.8.129	PTR	ntinfocam.infocam.it
79.99.8.130	A	posta.sistemi.com
79.99.8.131	PTR	www.quadra-sistemi.net
79.99.8.131	PTR	quadrasistemi.it
79.99.8.131	PTR	quadra-sistemi.net
79.99.8.150	A+PTR	profilo.sistemi.com
79.99.8.154	A+PTR	mail-out2.sistemiamolitalia.it
79.99.8.154	A+PTR	mail-out2.sisteminrete.com
79.99.8.154	A+PTR	mail-out2.quadrasistemi.com
79.99.8.167	PTR	fattureweb.it
79.99.8.167	A+PTR	www.fattureweb.it
79.99.8.167	A	fattureweb.sistemi.com
79.99.8.172	A+PTR	file.sistemi.com
79.99.8.172	A+PTR	download.sistemi.com
79.99.8.181	A+PTR	sdi.sistemi.com
79.99.8.190	A+PTR	ns3.sistemi.com
79.99.8.191	A+PTR	ns4.sistemi.com
79.99.8.228	A+PTR	socketconnector.sistemi.com
79.99.8.233	A+PTR	www.sportello.cloud
79.99.8.251	A+PTR	dquws-pre.sistemi.com
79.99.8.251	A+PTR	dquws.sistemi.com
79.99.8.251	A+PTR	webapi.sistemi.com
79.99.9.1	A+PTR	sirgw.sistemi.com