Robtex

Up: 217.31.236.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 217.31.237.0/25
Down right: 217.31.237.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.31.237.17	PTR	host147072017.vodafone.com.tr
217.31.237.37	PTR	host147072037.vodafone.com.tr
217.31.237.102	A+PTR	redcloud.vodafone.com.tr
217.31.237.135	PTR	host147072135.vodafone.com.tr
217.31.237.135	A	ns.akillibaskonus.com
217.31.237.135	A	mail.akillibaskonus.com
217.31.237.137	PTR	host147072137.vodafone.com.tr
217.31.237.166	PTR	host147072166.vodafone.com.tr
217.31.237.197	A+PTR	st01.vodafone.com.tr
217.31.237.198	A	st02.vodafone.com.tr