Robtex

Up: 185.28.192.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 185.28.192.0/25
Down right: 185.28.192.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
185.28.192.69	PTR	69.192.28.185.gransy.com
185.28.192.95	PTR	95.192.28.185.gransy.com
185.28.192.99	PTR	99.192.28.185.gransy.com
185.28.192.99	A	*.hy.cz
185.28.192.99	A	www.hy.cz
185.28.192.100	PTR	100.192.28.185.gransy.com
185.28.192.157	PTR	157.192.28.185.gransy.com
185.28.192.157	A	domainstep.com
185.28.192.192	PTR	tld.regtons.com
185.28.192.192	A	registry.ly
185.28.192.192	A	www.cctld.cz
185.28.192.193	A	zonefiledownload.com
185.28.192.193	A	zonefile.cz
185.28.192.193	A	zonefiledownload.net
185.28.192.194	PTR	194.192.28.185.gransy.com
185.28.192.199	PTR	199.192.28.185.gransy.com
185.28.192.200	A	domains.zone
185.28.192.255	PTR	255.192.28.185.gransy.com