Robtex

Up: 193.104.134.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 193.104.135.0/25
Down right: 193.104.135.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
193.104.135.1	A+PTR	4135001-cl69.boa.fiberby.dk
193.104.135.2	A+PTR	ns1.fiberby.dk
193.104.135.6	A+PTR	ns2.fiberby.dk
193.104.135.10	A+PTR	ns3.fiberby.dk
193.104.135.14	A+PTR	smtp.fiberbypost.dk
193.104.135.14	A	fiberbypost.dk
193.104.135.46	A+PTR	authns1.fiberby.dk
193.104.135.50	A+PTR	authns2.fiberby.dk
193.104.135.54	A+PTR	authns3.fiberby.dk
193.104.135.78	A+PTR	inxcr1.fiberby.net
193.104.135.82	A+PTR	datavask.fiberby.dk
193.104.135.124	A	mail1.fiberby.net
193.104.135.125	PTR	web2.fiberby.net
193.104.135.125	A	www.fiberby.dk
193.104.135.126	A+PTR	web1.fiberby.net
193.104.135.126	A	metrofiber.dk
193.104.135.126	A	fibercity.dk
193.104.135.141	PTR	4135141-cl69.boa.fiberby.dk
193.104.135.141	A	despair.dk
193.104.135.198	PTR	4135198-cl69.boa.fiberby.dk
193.104.135.198	A	trafikgrafer.dk
193.104.135.203	A+PTR	smtp.fiberby.dk
193.104.135.203	A	mail.trafikgrafer.dk
193.104.135.203	A	mail.fibercity.dk
193.104.135.207	A+PTR	websrv.fiberby.dk
193.104.135.207	A	www.fiberby.dk
193.104.135.207	A	metrofiber.dk
193.104.135.232	A+PTR	4135232-cl69.boa.fiberby.dk