Robtex

Up: 195.253.66.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 195.253.66.0/25
Down right: 195.253.66.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
195.253.66.0	PTR	ip0.66.253.195.in-addr.arpa
195.253.66.2	A+PTR	anycast29.irondns.net
195.253.66.2	A	ns105.beulen.de
195.253.66.2	A	ns105.beulen.com
195.253.66.3	A+PTR	anycast30.irondns.net
195.253.66.6	A+PTR	ns1.net.sap
195.253.66.6	A	ns1.sap-ag.de
195.253.66.10	A+PTR	anycast37.irondns.net
195.253.66.11	A+PTR	anycast38.irondns.net
195.253.66.12	PTR	anycast39.irondns.net
195.253.66.14	PTR	anycast41.irondns.net
195.253.66.15	PTR	anycast42.irondns.de
195.253.66.16	PTR	anycast43.irondns.net