Robtex

Up: 198.46.56.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 198.46.56.0/25
Down right: 198.46.56.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
198.46.56.148	A	mail-fd.biacciconsulting.com
198.46.56.148	A	mail-fd.asteroid-b612.org
198.46.56.149	PTR	198-46-56-149-na1.opsourcecloud.net
198.46.56.149	A	usepluck.com
198.46.56.149	A	cleanprint.net
198.46.56.158	A	mytnt.org