Robtex

Up: 84.51.52.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 84.51.52.0/26
Down right: 84.51.52.64/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
84.51.52.60	PTR	host-84-51-52-60.teletektelekom.com
84.51.52.60	A	postgresqltr.com
84.51.52.60	A	ipsantralsepeti.com
84.51.52.94	PTR	host-84-51-52-94.teletektelekom.com
84.51.52.113	PTR	host-84-51-52-113.teletektelekom.com