Robtex

Up: 91.237.198.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 91.237.199.0/25
Down right: 91.237.199.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
91.237.199.51	A	dialin.basel.aero
91.237.199.51	A	ls.basel.aero
91.237.199.53	A	aaq.aero
91.237.199.53	A	www.krr.aero
91.237.199.53	A	basel.aero
91.237.199.56	A	aer.aero
91.237.199.130	A+PTR	ns2.basel.aero
91.237.199.141	A+PTR	mx1.basel.aero
91.237.199.141	A	mx1.krr.aero
91.237.199.142	A+PTR	mx2.basel.aero
91.237.199.142	A	mx2.krr.aero