Robtex

Up: 188.59.248.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 188.59.252.0/23
Down right: 188.59.254.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
188.59.252.157	PTR	mail.superonlinehosting.net
188.59.252.162	PTR	imstestap.turkcell.com.tr
188.59.252.163	PTR	imsweb.turkcell.com.tr
188.59.252.171	PTR	turkcellakillimesaj.turkcell.com.tr
188.59.252.171	A	widget.turkcell.com.tr
188.59.252.192	A+PTR	tst.mobile.gezenzi.com
188.59.252.192	A	www.gezenzi.com
188.59.252.192	A	gezenzi.com
188.59.252.226	A+PTR	la.turkcell.com.tr
188.59.252.233	PTR	mail.superonlinehosting.net
188.59.252.233	A	mail.yeniofis.com
188.59.252.233	A	mail.imecemuhendislik.net
188.59.252.236	A	smtp.baytur.org
188.59.252.239	A	turkcellsahada.com
188.59.253.20	A	extranet.turkcell.com.tr
188.59.253.25	A	extra2.turkcell.com.tr
188.59.253.27	A	mixbox.turkcell.com.tr
188.59.253.28	A	extidm.turkcell.com.tr