Robtex

Up: 5.104.64.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 5.104.80.0/21
Down right: 5.104.88.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
5.104.80.1	PTR	gw.descomservice.com
5.104.80.2	A+PTR	host2.descomservice.com
5.104.80.3	A+PTR	host3.descomservice.com
5.104.80.4	A+PTR	host4.descomservice.com
5.104.80.5	A	host5.descomservice.com
5.104.82.1	PTR	hostc1.descomservice.com
5.104.82.2	PTR	hostc2.descomservice.com
5.104.82.3	PTR	hostc3.descomservice.com
5.104.82.4	PTR	hostc4.descomservice.com
5.104.82.30	A+PTR	www.kotipizza.fi
5.104.82.30	A	online.kotipizza.fi
5.104.82.34	PTR	hostc34.descomservice.com
5.104.82.51	PTR	hostc51.descomservice.com
5.104.82.53	PTR	www.stark-suomi.fi
5.104.82.53	A	www.puukeskus.fi
5.104.82.53	A	starkki.fi
5.104.82.61	PTR	m1.descomservice.com
5.104.82.62	PTR	m2.descomservice.com
5.104.82.72	A	www.kirja-karkkainen.fi
5.104.82.72	A	suomalainen.com
5.104.82.72	A	kirja-karkkainen.fi
5.104.82.75	PTR	store.craneproparts.com
5.104.82.78	PTR	hostc78.descomservice.com
5.104.82.79	PTR	hostc79.descomservice.com
5.104.82.92	A+PTR	krampdemo.descomservice.com
5.104.82.93	A+PTR	sourceproxy.descomservice.com
5.104.82.94	A+PTR	repository.descomservice.com
5.104.88.163	PTR	dynamic-88-163.pluz.ch
5.104.88.225	A	ibg-systems.ch
5.104.90.1	PTR	gateway.swissbackbone.net
5.104.90.33	PTR	dynamic-90-33.pluz.ch
5.104.90.95	A	vellosa.com
5.104.90.231	A	vellosa.com
5.104.90.231	A	mail.vellosa.com
5.104.94.2	A+PTR	mail.homedo.ch
5.104.94.3	PTR	mail.homedo.ch
5.104.94.4	A	mail.radio-pilatus.ch
5.104.94.18	A	mail.gubelin.com
5.104.94.25	A	www.mediabank.ch
5.104.94.34	A+PTR	mail.kkl-luzern.ch
5.104.94.34	A	mail.kunstmuseumluzern.ch
5.104.94.38	PTR	5-104-94-38-static-cpe.cust.swissbackbone.net
5.104.94.38	A	kkl-luzern.ch
5.104.94.72	A+PTR	mail.ampuls.ch
5.104.94.72	A	ampuls-online.ch
5.104.94.81	A+PTR	mail.heim-im-bergli.ch
5.104.94.81	A	mail.altstadtwaescherei.ch
5.104.94.92	A+PTR	mail.isg.ch
5.104.94.123	A+PTR	smtp.emailarchiv.ch
5.104.94.123	A	ndag.ch
5.104.95.1	PTR	gateway.swissbackbone.net