Robtex

Up: 91.93.72.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 91.93.72.0/23
Down right: 91.93.74.0/23

IP	Type	Hostname
91.93.72.134	A	router0.isimtescil.net
91.93.73.17	PTR	host-91-93-73-17.teletektelekom.com
91.93.73.35	PTR	host-91-93-73-35.teletektelekom.com
91.93.73.71	PTR	host-91-93-73-71.teletektelekom.com
91.93.73.84	PTR	host-91-93-73-84.teletektelekom.com
91.93.73.148	PTR	host-91-93-73-148.reverse.superonline.net
91.93.73.190	PTR	mx1.bilgisistemleri.com.tr
91.93.73.226	PTR	host-91-93-73-226.reverse.superonline.net
91.93.73.233	PTR	host-91-93-73-233.reverse.superonline.net
91.93.73.243	PTR	host-91-93-73-243.teletektelekom.com
91.93.73.243	A	hauscloud.net
91.93.74.206	PTR	host-91-93-74-206.reverse.superonline.net