Robtex

Up: 195.206.120.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 195.206.121.0/25
Down right: 195.206.121.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
195.206.121.10	PTR	ns01.one.com
195.206.121.10	A	ns1.b-one.nu
195.206.121.10	A	alanrdarby.com
195.206.121.11	A+PTR	a.b-one-dns.net
195.206.121.11	A	norskguideifirenze.com
195.206.121.138	A+PTR	ns02.one.com
195.206.121.138	A	ns2.b-one.net
195.206.121.138	A	ns2.b-one.nu
195.206.121.139	A+PTR	b.b-one-dns.net