Robtex

Up: 78.189.86.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 78.189.87.0/25
Down right: 78.189.87.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
78.189.87.1	PTR	78.189.87.1.static.ttnet.com.tr
78.189.87.5	PTR	78.189.87.5.dynamic.ttnet.com.tr
78.189.87.6	PTR	78.189.87.6.static.ttnet.com.tr
78.189.87.7	PTR	78.189.87.7.static.ttnet.com.tr
78.189.87.8	PTR	78.189.87.8.static.ttnet.com.tr
78.189.87.10	PTR	78.189.87.10.static.ttnet.com.tr
78.189.87.11	PTR	78.189.87.11.static.ttnet.com.tr
78.189.87.14	PTR	78.189.87.14.dynamic.ttnet.com.tr
78.189.87.15	PTR	78.189.87.15.static.ttnet.com.tr
78.189.87.16	PTR	78.189.87.16.dynamic.ttnet.com.tr
78.189.87.18	PTR	78.189.87.18.static.ttnet.com.tr
78.189.87.23	PTR	78.189.87.23.static.ttnet.com.tr
78.189.87.24	PTR	78.189.87.24.static.ttnet.com.tr
78.189.87.27	PTR	78.189.87.27.static.ttnet.com.tr
78.189.87.33	PTR	78.189.87.33.static.ttnet.com.tr
78.189.87.40	PTR	78.189.87.40.static.ttnet.com.tr
78.189.87.41	PTR	78.189.87.41.static.ttnet.com.tr
78.189.87.43	PTR	78.189.87.43.static.ttnet.com.tr
78.189.87.44	PTR	78.189.87.44.static.ttnet.com.tr
78.189.87.45	PTR	78.189.87.45.dynamic.ttnet.com.tr
78.189.87.48	PTR	78.189.87.48.dynamic.ttnet.com.tr
78.189.87.49	PTR	78.189.87.49.dynamic.ttnet.com.tr
78.189.87.51	PTR	78.189.87.51.dynamic.ttnet.com.tr
78.189.87.52	PTR	78.189.87.52.dynamic.ttnet.com.tr
78.189.87.54	PTR	78.189.87.54.dynamic.ttnet.com.tr
78.189.87.56	PTR	78.189.87.56.static.ttnet.com.tr
78.189.87.57	PTR	78.189.87.57.dynamic.ttnet.com.tr
78.189.87.58	PTR	78.189.87.58.static.ttnet.com.tr
78.189.87.61	PTR	78.189.87.61.static.ttnet.com.tr
78.189.87.62	PTR	78.189.87.62.static.ttnet.com.tr
78.189.87.63	PTR	78.189.87.63.static.ttnet.com.tr
78.189.87.64	PTR	78.189.87.64.static.ttnet.com.tr
78.189.87.65	PTR	78.189.87.65.static.ttnet.com.tr
78.189.87.67	PTR	78.189.87.67.dynamic.ttnet.com.tr
78.189.87.72	PTR	78.189.87.72.static.ttnet.com.tr
78.189.87.77	PTR	78.189.87.77.dynamic.ttnet.com.tr
78.189.87.81	PTR	78.189.87.81.static.ttnet.com.tr
78.189.87.83	PTR	78.189.87.83.static.ttnet.com.tr
78.189.87.84	PTR	78.189.87.84.static.ttnet.com.tr
78.189.87.85	PTR	78.189.87.85.static.ttnet.com.tr
78.189.87.88	PTR	78.189.87.88.dynamic.ttnet.com.tr
78.189.87.89	PTR	78.189.87.89.static.ttnet.com.tr
78.189.87.97	PTR	78.189.87.97.dynamic.ttnet.com.tr
78.189.87.98	PTR	78.189.87.98.dynamic.ttnet.com.tr
78.189.87.99	PTR	78.189.87.99.static.ttnet.com.tr
78.189.87.102	PTR	78.189.87.102.dynamic.ttnet.com.tr
78.189.87.105	PTR	78.189.87.105.static.ttnet.com.tr
78.189.87.108	PTR	78.189.87.108.static.ttnet.com.tr
78.189.87.110	PTR	78.189.87.110.static.ttnet.com.tr
78.189.87.111	PTR	78.189.87.111.static.ttnet.com.tr
78.189.87.112	PTR	78.189.87.112.static.ttnet.com.tr
78.189.87.113	PTR	78.189.87.113.static.ttnet.com.tr
78.189.87.115	PTR	mail.artideger.net
78.189.87.115	A	mail.hilalpompa.com
78.189.87.115	A	remote.artideger.net
78.189.87.116	PTR	78.189.87.116.static.ttnet.com.tr
78.189.87.117	A+PTR	smtp.tualotomotiv.com
78.189.87.117	A	mail.huncamimarlik.com
78.189.87.125	PTR	78.189.87.125.static.ttnet.com.tr
78.189.87.127	PTR	78.189.87.127.static.ttnet.com.tr
78.189.87.132	PTR	78.189.87.132.static.ttnet.com.tr
78.189.87.133	PTR	78.189.87.133.static.ttnet.com.tr
78.189.87.136	PTR	78.189.87.136.static.ttnet.com.tr
78.189.87.137	PTR	78.189.87.137.dynamic.ttnet.com.tr
78.189.87.142	PTR	78.189.87.142.static.ttnet.com.tr
78.189.87.148	PTR	78.189.87.148.static.ttnet.com.tr
78.189.87.151	PTR	78.189.87.151.static.ttnet.com.tr
78.189.87.152	PTR	78.189.87.152.static.ttnet.com.tr
78.189.87.153	A	webeczanem.net
78.189.87.153	A	mail.webeczanem.net
78.189.87.154	PTR	78.189.87.154.static.ttnet.com.tr
78.189.87.156	PTR	78.189.87.156.static.ttnet.com.tr
78.189.87.158	PTR	78.189.87.158.static.ttnet.com.tr
78.189.87.161	PTR	78.189.87.161.static.ttnet.com.tr
78.189.87.162	PTR	78.189.87.162.static.ttnet.com.tr
78.189.87.171	PTR	78.189.87.171.static.ttnet.com.tr
78.189.87.177	PTR	78.189.87.177.static.ttnet.com.tr
78.189.87.179	PTR	78.189.87.179.static.ttnet.com.tr
78.189.87.181	PTR	78.189.87.181.static.ttnet.com.tr
78.189.87.184	PTR	78.189.87.184.static.ttnet.com.tr
78.189.87.186	PTR	78.189.87.186.static.ttnet.com.tr
78.189.87.188	A+PTR	mail.netcom.net.tr
78.189.87.188	A	mx.netcom.net.tr
78.189.87.188	A	mail1.netcomtr.com
78.189.87.191	PTR	78.189.87.191.static.ttnet.com.tr
78.189.87.192	PTR	78.189.87.192.static.ttnet.com.tr
78.189.87.194	PTR	78.189.87.194.static.ttnet.com.tr
78.189.87.197	PTR	78.189.87.197.static.ttnet.com.tr
78.189.87.197	A	mail.tgyapi.biz
78.189.87.198	PTR	78.189.87.198.dynamic.ttnet.com.tr
78.189.87.203	PTR	78.189.87.203.static.ttnet.com.tr
78.189.87.207	PTR	78.189.87.207.static.ttnet.com.tr
78.189.87.209	PTR	78.189.87.209.dynamic.ttnet.com.tr
78.189.87.212	PTR	78.189.87.212.static.ttnet.com.tr
78.189.87.216	PTR	78.189.87.216.static.ttnet.com.tr
78.189.87.221	PTR	78.189.87.221.static.ttnet.com.tr
78.189.87.223	PTR	78.189.87.223.static.ttnet.com.tr
78.189.87.224	PTR	78.189.87.224.static.ttnet.com.tr
78.189.87.230	PTR	78.189.87.230.dynamic.ttnet.com.tr
78.189.87.231	PTR	78.189.87.231.static.ttnet.com.tr
78.189.87.232	PTR	78.189.87.232.static.ttnet.com.tr
78.189.87.235	PTR	78.189.87.235.static.ttnet.com.tr
78.189.87.238	PTR	78.189.87.238.static.ttnet.com.tr
78.189.87.248	PTR	78.189.87.248.static.ttnet.com.tr
78.189.87.253	PTR	78.189.87.253.dynamic.ttnet.com.tr