Robtex

Up: 193.181.0.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 193.181.1.0/25
Down right: 193.181.1.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
193.181.1.68	A+PTR	ns2.swedavia.se
193.181.1.68	A	ns2-ab.lfv.se
193.181.1.73	A	sa-exchweb3.lfv.se
193.181.1.75	A	swiftiis.lfv.se
193.181.1.78	A	mail.lfv.se
193.181.1.78	A	sa-exchweb4.lfv.se
193.181.1.79	A+PTR	eprocess.lfv.se
193.181.1.80	A	sabkasuweb.lfv.se
193.181.1.85	PTR	swedavia.se
193.181.1.85	PTR	www.swedavia.se
193.181.1.85	A	www.landvetter.lfv.se
193.181.1.89	PTR	ns2.lfv.se
193.181.1.89	A	ns2.umeaflygplats.se
193.181.1.89	A	ns2.luleaflygplats.com
193.181.1.93	A	lfvsg.lfv.se
193.181.1.93	A	lfvsg1.lfv.se
193.181.1.94	A	lfvsg2.lfv.se
193.181.1.113	PTR	extranet.swedavia.net
193.181.1.113	PTR	mysites.swedavia.net
193.181.1.113	PTR	www.swedavia.net
193.181.1.165	PTR	arlanda.com
193.181.1.165	A+PTR	arlandaairport.com
193.181.1.165	PTR	brommaairport.com
193.181.1.167	A	app.swedavia.se
193.181.1.168	PTR	publicws.swedavia.se
193.181.1.168	A	apws20.swedavia.se
193.181.1.178	PTR	airportabc.com
193.181.1.178	PTR	arlandabusinesscenter.com
193.181.1.178	PTR	arlandafastigheter.com
193.181.1.187	PTR	arlandaairport.net
193.181.1.187	PTR	brommaairport.net
193.181.1.187	PTR	landvetterairport.net
193.181.1.199	PTR	visbyairport.net
193.181.1.199	PTR	duarendelavarlanda.se
193.181.1.199	PTR	duarendelavarlarnda.se
193.181.1.200	A	www.utbildadig.lfv.se
193.181.1.213	PTR	www.kallaxflygplats.com
193.181.1.213	PTR	www.malmoe-copenhagenairport.eu
193.181.1.213	PTR	prod.www.arlanda.se