Robtex

Up: 83.243.8.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 83.243.8.0/25
Down right: 83.243.8.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
83.243.8.3	A+PTR	b.root.lu
83.243.8.3	A	ns2.root.lu
83.243.8.3	A	ns2.hum.lu
83.243.8.6	A+PTR	cache.b.root.lu
83.243.8.20	PTR	data.lu
83.243.8.90	A+PTR	ns2.server.lu
83.243.8.99	A	ns2.keynum.com
83.243.8.100	PTR	calimero.root.lu