Robtex

Up: 81.214.84.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 81.214.85.0/25
Down right: 81.214.85.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.214.85.0	PTR	81.214.85.0.dynamic.ttnet.com.tr
81.214.85.4	PTR	81.214.85.4.dynamic.ttnet.com.tr
81.214.85.5	PTR	81.214.85.5.dynamic.ttnet.com.tr
81.214.85.6	PTR	81.214.85.6.dynamic.ttnet.com.tr
81.214.85.18	PTR	81.214.85.18.dynamic.ttnet.com.tr
81.214.85.23	PTR	81.214.85.23.dynamic.ttnet.com.tr
81.214.85.29	PTR	81.214.85.29.dynamic.ttnet.com.tr
81.214.85.29	A	konnektorcu.com
81.214.85.32	PTR	81.214.85.32.dynamic.ttnet.com.tr
81.214.85.33	PTR	81.214.85.33.dynamic.ttnet.com.tr
81.214.85.41	PTR	81.214.85.41.dynamic.ttnet.com.tr
81.214.85.43	PTR	81.214.85.43.dynamic.ttnet.com.tr
81.214.85.44	PTR	81.214.85.44.dynamic.ttnet.com.tr
81.214.85.49	PTR	81.214.85.49.dynamic.ttnet.com.tr
81.214.85.50	PTR	81.214.85.50.dynamic.ttnet.com.tr
81.214.85.52	PTR	81.214.85.52.dynamic.ttnet.com.tr
81.214.85.54	PTR	81.214.85.54.dynamic.ttnet.com.tr
81.214.85.60	PTR	81.214.85.60.dynamic.ttnet.com.tr
81.214.85.62	PTR	81.214.85.62.dynamic.ttnet.com.tr
81.214.85.65	PTR	81.214.85.65.dynamic.ttnet.com.tr
81.214.85.66	PTR	81.214.85.66.dynamic.ttnet.com.tr
81.214.85.67	PTR	81.214.85.67.dynamic.ttnet.com.tr
81.214.85.89	PTR	81.214.85.89.dynamic.ttnet.com.tr
81.214.85.90	PTR	81.214.85.90.dynamic.ttnet.com.tr
81.214.85.98	PTR	81.214.85.98.dynamic.ttnet.com.tr
81.214.85.111	PTR	81.214.85.111.dynamic.ttnet.com.tr
81.214.85.111	A	mail.inkafixing.com
81.214.85.111	A	smtp.inkalimitless.com
81.214.85.113	PTR	81.214.85.113.dynamic.ttnet.com.tr
81.214.85.121	PTR	81.214.85.121.dynamic.ttnet.com.tr
81.214.85.123	PTR	81.214.85.123.dynamic.ttnet.com.tr
81.214.85.124	PTR	81.214.85.124.dynamic.ttnet.com.tr
81.214.85.130	PTR	81.214.85.130.dynamic.ttnet.com.tr
81.214.85.130	A	kc-yazilim.com
81.214.85.130	A	eczanemelis.com
81.214.85.135	PTR	81.214.85.135.dynamic.ttnet.com.tr
81.214.85.137	PTR	81.214.85.137.dynamic.ttnet.com.tr
81.214.85.138	PTR	81.214.85.138.dynamic.ttnet.com.tr
81.214.85.140	PTR	81.214.85.140.dynamic.ttnet.com.tr
81.214.85.141	PTR	81.214.85.141.dynamic.ttnet.com.tr
81.214.85.142	PTR	81.214.85.142.dynamic.ttnet.com.tr
81.214.85.143	PTR	81.214.85.143.dynamic.ttnet.com.tr
81.214.85.149	PTR	81.214.85.149.dynamic.ttnet.com.tr
81.214.85.153	PTR	81.214.85.153.dynamic.ttnet.com.tr
81.214.85.154	PTR	81.214.85.154.dynamic.ttnet.com.tr
81.214.85.155	PTR	81.214.85.155.dynamic.ttnet.com.tr
81.214.85.159	A+PTR	mail.taegutec.com.tr
81.214.85.159	A	mail.tekotek.com.tr
81.214.85.165	PTR	81.214.85.165.dynamic.ttnet.com.tr
81.214.85.169	PTR	81.214.85.169.dynamic.ttnet.com.tr
81.214.85.171	PTR	81.214.85.171.dynamic.ttnet.com.tr
81.214.85.172	PTR	81.214.85.172.dynamic.ttnet.com.tr
81.214.85.173	PTR	81.214.85.173.dynamic.ttnet.com.tr
81.214.85.174	PTR	81.214.85.174.dynamic.ttnet.com.tr
81.214.85.183	PTR	81.214.85.183.dynamic.ttnet.com.tr
81.214.85.183	A	osgbrapor.com
81.214.85.183	A	daglimedikal.com
81.214.85.188	PTR	81.214.85.188.dynamic.ttnet.com.tr
81.214.85.190	PTR	81.214.85.190.dynamic.ttnet.com.tr
81.214.85.196	PTR	81.214.85.196.dynamic.ttnet.com.tr
81.214.85.205	PTR	eposta.demilac.com.tr
81.214.85.205	A	mx3.dmrotomotiv.com
81.214.85.208	PTR	81.214.85.208.dynamic.ttnet.com.tr
81.214.85.210	PTR	81.214.85.210.dynamic.ttnet.com.tr
81.214.85.211	PTR	81.214.85.211.dynamic.ttnet.com.tr
81.214.85.212	PTR	81.214.85.212.dynamic.ttnet.com.tr
81.214.85.215	PTR	81.214.85.215.dynamic.ttnet.com.tr
81.214.85.221	PTR	81.214.85.221.dynamic.ttnet.com.tr
81.214.85.221	A	mail.sumarineyachts.com
81.214.85.221	A	mail2.sumarineyachts.com
81.214.85.234	PTR	81.214.85.234.dynamic.ttnet.com.tr
81.214.85.236	PTR	81.214.85.236.dynamic.ttnet.com.tr
81.214.85.239	PTR	81.214.85.239.dynamic.ttnet.com.tr
81.214.85.240	PTR	81.214.85.240.dynamic.ttnet.com.tr
81.214.85.241	PTR	81.214.85.241.dynamic.ttnet.com.tr
81.214.85.244	PTR	81.214.85.244.dynamic.ttnet.com.tr
81.214.85.253	PTR	81.214.85.253.dynamic.ttnet.com.tr