Robtex

Up: 84.51.14.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 84.51.14.0/25
Down right: 84.51.14.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
84.51.14.8	PTR	host-84-51-14-8.teletektelekom.com
84.51.14.32	PTR	host-84-51-14-32.teletektelekom.com
84.51.14.47	PTR	host-84-51-14-47.teletektelekom.com
84.51.14.82	PTR	host-84-51-14-82.teletektelekom.com
84.51.14.84	PTR	host-84-51-14-84.teletektelekom.com
84.51.14.88	PTR	host-84-51-14-88.teletektelekom.com
84.51.14.96	PTR	host-84-51-14-96.teletektelekom.com
84.51.14.104	A	ns2.hilalzeybek.com
84.51.14.104	A	hilalzeybek.com
84.51.14.104	A	mail.hilalzeybek.com
84.51.14.107	PTR	host-84-51-14-107.teletektelekom.com
84.51.14.132	PTR	mx1.domain.tld
84.51.14.153	PTR	host-84-51-14-153.teletektelekom.com
84.51.14.164	A	mail.serkanaksu.com.tr
84.51.14.185	PTR	mail.teletek.net
84.51.14.185	A	mail.kasada.com.tr
84.51.14.188	PTR	host-84-51-14-188.teletektelekom.com
84.51.14.225	A	aokurserver.com
84.51.14.243	A	mail.favoriizmiryapidenetim.com.tr
84.51.14.243	A	mail.skalayapidenetim.com.tr