Robtex

Up: 149.13.152.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 149.13.152.0/23
Down right: 149.13.154.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
149.13.153.198	A+PTR	mail2.clevermachines.com
149.13.154.18	A	easygrip.tech
149.13.154.18	A	meccanicaviesse.com
149.13.154.18	A	mbnewmarketing.com
149.13.154.27	PTR	mail.pizetaexpress.it
149.13.154.27	A	mx2.pizetaexpress.it
149.13.154.35	A	wmail.vitrummioni.it