Robtex

Up: 193.141.0.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 193.141.8.0/22
Down right: 193.141.12.0/22

IP	Type	Hostname
193.141.8.137	PTR	static.kpn.net
193.141.9.62	A	mail.sortimo.nl
193.141.9.67	PTR	mail.k3.nl
193.141.11.162	PTR	static.kpn.net
193.141.11.162	A	remote.pluimers.be
193.141.12.42	PTR	static.kpn.net
193.141.12.82	PTR	static.kpn.net
193.141.13.2	PTR	static.kpn.net
193.141.13.3	PTR	mail.summit.nl
193.141.13.139	PTR	smtp.de-passerel.nl
193.141.13.235	A	mail.adams.nl
193.141.14.35	PTR	static.kpn.net
193.141.14.208	PTR	static.kpn.net
193.141.15.66	PTR	static.kpn.net
193.141.15.67	PTR	static.kpn.net
193.141.15.169	PTR	static.kpn.net
193.141.15.186	PTR	static.kpn.net