Robtex

Up: 138.80.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 138.81.0.0/17
Down right: 138.81.128.0/17
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
138.81.10.2	A	vpn.iso.ch
138.81.10.2	A	gatekeeper.iso.ch
138.81.11.12	PTR	isodns01.iso.ch
138.81.11.12	A	dnsone.iso.org
138.81.11.12	A	d-name-0.iso.ch
138.81.11.14	PTR	isodns02.iso.ch
138.81.11.14	A	ns2.iso.ch
138.81.11.48	A	cen.iso.ch
138.81.11.103	A	pod.iso.ch
138.81.11.104	A	isource.iso.ch
138.81.55.214	A	daisygetsamethe.ooo
138.81.130.13	A+PTR	dnsone.iso.ch
138.81.130.14	A	dns2.iso.ch
138.81.131.48	A	cen.iso.ch
138.81.131.103	A	pod.iso.ch
138.81.131.104	A	isource.iso.ch
138.81.131.111	PTR	standards.iso.ch
138.81.131.111	A	standards.iso.org