Robtex

Up: 185.28.38.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 185.28.39.0/25
Down right: 185.28.39.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
185.28.39.9	PTR	server298.zmr.serverion.com
185.28.39.9	A	serverion.co.uk
185.28.39.9	A	mail.smut.nl
185.28.39.36	A	oldtownmagnet.com
185.28.39.100	A+PTR	mirror.serverion.com
185.28.39.112	PTR	dietstreak.com
185.28.39.120	PTR	hodesca.org.uk
185.28.39.227	A	rewardtoshop.com