Robtex

Up: 193.232.230.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 193.232.231.0/25
Down right: 193.232.231.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
193.232.231.1	A+PTR	tau-ekt.ripn.net
193.232.231.2	A+PTR	gamma-ekt.ripn.net
193.232.231.17	A+PTR	harvest-ekt.ripn.net
193.232.231.30	PTR	ekt-ripn-tc-1.ripn.net
193.232.231.33	A+PTR	tau-ekt-lb.ripn.net
193.232.231.34	A+PTR	gamma-ekt-lb.ripn.net
193.232.231.65	A+PTR	ekt-tc-s1.ripn.net
193.232.231.65	A	ekt-ts1.ripn.net
193.232.231.66	A+PTR	ekt-p1.ripn.net
193.232.231.66	A	ekt-dcn-p1.ripn.net
193.232.231.254	A+PTR	ekt-tc-r1.ripn.net
193.232.231.254	A	ekt-ripn-tc-1.ripn.net
193.232.231.254	A	ekt-tr1.ripn.net