Robtex

Up: 198.52.240.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 198.52.240.0/25
Down right: 198.52.240.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
198.52.240.0	A	sangat.biz
198.52.240.0	A	mail.czfuba.com
198.52.240.0	A	alkds.com
198.52.240.136	A	elefntightest.com
198.52.240.255	A	sangat.biz
198.52.240.255	A	mail.czfuba.com
198.52.240.255	A	666-com.com