Robtex

Up: 194.121.224.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 194.121.224.0/22
Down right: 194.121.228.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
194.121.224.60	A	mail.havestate.nl
194.121.225.146	PTR	static.kpn.net
194.121.225.146	A	mail.strizo.nl
194.121.225.146	A	mail.epoxyvloer.nl
194.121.227.218	PTR	static.kpn.net
194.121.228.90	A	stimio.nl
194.121.229.121	PTR	mail.mdservices.nl
194.121.229.121	A	mail.loyaltycompany.nl
194.121.230.49	PTR	static.kpn.net
194.121.230.54	PTR	static.kpn.net
194.121.230.56	PTR	static.kpn.net
194.121.230.65	PTR	static.kpn.net
194.121.230.103	PTR	static.kpn.net
194.121.230.150	PTR	static.kpn.net
194.121.230.224	PTR	static.kpn.net
194.121.230.230	PTR	static.kpn.net
194.121.230.249	PTR	static.kpn.net
194.121.231.38	PTR	static.kpn.net
194.121.231.160	PTR	static.kpn.net
194.121.231.200	PTR	static.kpn.net
194.121.231.201	PTR	static.kpn.net
194.121.231.202	PTR	static.kpn.net