Robtex

Up: 88.249.128.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 88.249.128.0/25
Down right: 88.249.128.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
88.249.128.0	PTR	88.249.128.0.static.ttnet.com.tr
88.249.128.2	PTR	88.249.128.2.static.turktelekom.com.tr
88.249.128.19	PTR	88.249.128.19.static.ttnet.com.tr
88.249.128.44	A	smtp.debitum.com.tr
88.249.128.73	PTR	88.249.128.73.static.turktelekom.com.tr
88.249.128.149	PTR	88.249.128.149.static.turktelekom.com.tr
88.249.128.166	A	exchange.pruvashipping.com
88.249.128.172	A+PTR	mail.nilaccra.com
88.249.128.172	A	mail.changram.com
88.249.128.172	A	sulphur.eu
88.249.128.189	PTR	88.249.128.189.static.ttnet.com.tr