Robtex

Up: 37.203.240.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 37.203.248.0/22
Down right: 37.203.252.0/22

IP	Type	Hostname
37.203.248.37	PTR	ns1.eqipe.ch
37.203.248.37	A	ns.atrila.net
37.203.248.37	A	ns1.atrila.net
37.203.248.132	A+PTR	ftth-248-132.tbwil.ch
37.203.248.132	A	mail.what-are-you-for.ch
37.203.248.132	A	what-are-you-for.ch
37.203.248.140	A	itweet.ch
37.203.250.79	A	schuleek.homeip.net
37.203.252.6	A	mailgw.atrila.net
37.203.252.6	A	mailgw02.atrila.net
37.203.252.7	A	mx-out02.atrila.net
37.203.252.11	PTR	ns3.incense.org
37.203.253.193	A	xn--dring-kva.com
37.203.253.193	A	mail.xn--dring-kva.com
37.203.253.193	A	thepao.ch