Robtex

Up: 78.189.50.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 78.189.51.0/25
Down right: 78.189.51.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
78.189.51.1	PTR	78.189.51.1.dynamic.ttnet.com.tr
78.189.51.2	PTR	78.189.51.2.dynamic.ttnet.com.tr
78.189.51.15	PTR	78.189.51.15.dynamic.ttnet.com.tr
78.189.51.20	PTR	78.189.51.20.dynamic.ttnet.com.tr
78.189.51.21	PTR	78.189.51.21.dynamic.ttnet.com.tr
78.189.51.27	PTR	78.189.51.27.dynamic.ttnet.com.tr
78.189.51.32	PTR	78.189.51.32.dynamic.ttnet.com.tr
78.189.51.37	PTR	78.189.51.37.dynamic.ttnet.com.tr
78.189.51.41	PTR	78.189.51.41.dynamic.ttnet.com.tr
78.189.51.44	PTR	78.189.51.44.dynamic.ttnet.com.tr
78.189.51.46	PTR	78.189.51.46.dynamic.ttnet.com.tr
78.189.51.49	PTR	78.189.51.49.dynamic.ttnet.com.tr
78.189.51.57	PTR	78.189.51.57.dynamic.ttnet.com.tr
78.189.51.62	PTR	78.189.51.62.dynamic.ttnet.com.tr
78.189.51.69	PTR	78.189.51.69.dynamic.ttnet.com.tr
78.189.51.71	PTR	78.189.51.71.dynamic.ttnet.com.tr
78.189.51.72	PTR	78.189.51.72.dynamic.ttnet.com.tr
78.189.51.74	PTR	78.189.51.74.dynamic.ttnet.com.tr
78.189.51.75	PTR	78.189.51.75.dynamic.ttnet.com.tr
78.189.51.79	PTR	78.189.51.79.dynamic.ttnet.com.tr
78.189.51.80	PTR	78.189.51.80.dynamic.ttnet.com.tr
78.189.51.85	PTR	78.189.51.85.dynamic.ttnet.com.tr
78.189.51.90	PTR	78.189.51.90.dynamic.ttnet.com.tr
78.189.51.93	PTR	78.189.51.93.dynamic.ttnet.com.tr
78.189.51.94	PTR	78.189.51.94.dynamic.ttnet.com.tr
78.189.51.97	PTR	78.189.51.97.dynamic.ttnet.com.tr
78.189.51.98	PTR	78.189.51.98.dynamic.ttnet.com.tr
78.189.51.99	PTR	78.189.51.99.dynamic.ttnet.com.tr
78.189.51.105	PTR	78.189.51.105.dynamic.ttnet.com.tr
78.189.51.108	PTR	78.189.51.108.dynamic.ttnet.com.tr
78.189.51.111	PTR	78.189.51.111.dynamic.ttnet.com.tr
78.189.51.116	PTR	78.189.51.116.dynamic.ttnet.com.tr
78.189.51.117	PTR	78.189.51.117.dynamic.ttnet.com.tr
78.189.51.124	PTR	78.189.51.124.dynamic.ttnet.com.tr
78.189.51.125	PTR	78.189.51.125.dynamic.ttnet.com.tr
78.189.51.127	PTR	78.189.51.127.dynamic.ttnet.com.tr
78.189.51.129	PTR	78.189.51.129.dynamic.ttnet.com.tr
78.189.51.130	PTR	78.189.51.130.dynamic.ttnet.com.tr
78.189.51.136	PTR	78.189.51.136.dynamic.ttnet.com.tr
78.189.51.138	PTR	78.189.51.138.dynamic.ttnet.com.tr
78.189.51.142	PTR	78.189.51.142.dynamic.ttnet.com.tr
78.189.51.142	A	netarail.com
78.189.51.142	A	turkish-straits.com
78.189.51.143	PTR	78.189.51.143.dynamic.ttnet.com.tr
78.189.51.145	PTR	78.189.51.145.dynamic.ttnet.com.tr
78.189.51.147	PTR	78.189.51.147.dynamic.ttnet.com.tr
78.189.51.149	PTR	78.189.51.149.dynamic.ttnet.com.tr
78.189.51.150	PTR	78.189.51.150.dynamic.ttnet.com.tr
78.189.51.157	PTR	78.189.51.157.dynamic.ttnet.com.tr
78.189.51.159	PTR	78.189.51.159.dynamic.ttnet.com.tr
78.189.51.161	PTR	78.189.51.161.dynamic.ttnet.com.tr
78.189.51.165	PTR	78.189.51.165.dynamic.ttnet.com.tr
78.189.51.176	PTR	78.189.51.176.dynamic.ttnet.com.tr
78.189.51.181	PTR	78.189.51.181.dynamic.ttnet.com.tr
78.189.51.182	PTR	78.189.51.182.dynamic.ttnet.com.tr
78.189.51.186	PTR	78.189.51.186.dynamic.ttnet.com.tr
78.189.51.192	PTR	78.189.51.192.dynamic.ttnet.com.tr
78.189.51.196	PTR	78.189.51.196.dynamic.ttnet.com.tr
78.189.51.196	A	stone-guide.com
78.189.51.196	A	yesilkalsin.net
78.189.51.201	PTR	78.189.51.201.dynamic.ttnet.com.tr
78.189.51.203	PTR	78.189.51.203.dynamic.ttnet.com.tr
78.189.51.204	PTR	78.189.51.204.dynamic.ttnet.com.tr
78.189.51.205	PTR	78.189.51.205.dynamic.ttnet.com.tr
78.189.51.207	PTR	78.189.51.207.dynamic.ttnet.com.tr
78.189.51.210	PTR	78.189.51.210.dynamic.ttnet.com.tr
78.189.51.213	PTR	78.189.51.213.dynamic.ttnet.com.tr
78.189.51.219	PTR	78.189.51.219.dynamic.ttnet.com.tr
78.189.51.220	PTR	78.189.51.220.dynamic.ttnet.com.tr
78.189.51.221	PTR	78.189.51.221.dynamic.ttnet.com.tr
78.189.51.223	PTR	78.189.51.223.dynamic.ttnet.com.tr
78.189.51.224	PTR	78.189.51.224.dynamic.ttnet.com.tr
78.189.51.225	PTR	78.189.51.225.dynamic.ttnet.com.tr
78.189.51.235	PTR	78.189.51.235.dynamic.ttnet.com.tr
78.189.51.240	PTR	78.189.51.240.dynamic.ttnet.com.tr
78.189.51.241	PTR	78.189.51.241.dynamic.ttnet.com.tr
78.189.51.243	PTR	78.189.51.243.dynamic.ttnet.com.tr
78.189.51.244	PTR	78.189.51.244.dynamic.ttnet.com.tr
78.189.51.247	PTR	78.189.51.247.dynamic.ttnet.com.tr
78.189.51.248	PTR	78.189.51.248.dynamic.ttnet.com.tr
78.189.51.252	PTR	78.189.51.252.dynamic.ttnet.com.tr