Robtex

Up: 193.135.144.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 193.135.144.0/24
Down right: 193.135.145.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
193.135.144.34	A	mailhost.academia-engiadina.ch
193.135.144.34	A	mail.academia-engiadina.ch
193.135.144.34	A	ns1.academia-engiadina.ch
193.135.144.50	A	mxgateway.iftest.ch
193.135.144.50	A	mx.iftest.ch
193.135.144.52	A	mail.iftest.ch
193.135.144.148	A	mail2.butti.ch
193.135.144.150	A	mail.butti.ch
193.135.144.218	A+PTR	chuik001.uiker.ch
193.135.145.11	PTR	mxhost.mega.ch
193.135.145.34	A	mailgw2.cilander.ch
193.135.145.78	A+PTR	mail.looserholding.com
193.135.145.78	A	mail.loosergroup.com
193.135.145.106	PTR	mail.permapack.ch
193.135.145.107	PTR	mail.permapack.ch
193.135.145.130	A+PTR	mail.hagedorn.ch
193.135.145.130	A	smtp.hagedorn.ch
193.135.145.130	A	mail.hagedorn.biz
193.135.145.146	A	mail.asendiapress.com