Robtex

Up: 88.249.216.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 88.249.216.0/23
Down right: 88.249.218.0/23

IP	Type	Hostname
88.249.216.3	PTR	88.249.216.3.static.ttnet.com.tr
88.249.216.14	A	mail2.nilaccra.com
88.249.216.14	A	ns1.nilaccra.com
88.249.216.37	PTR	88.249.216.37.static.ttnet.com.tr
88.249.216.43	PTR	88.249.216.43.static.ttnet.com.tr
88.249.216.68	PTR	88.249.216.68.static.ttnet.com.tr
88.249.216.97	PTR	88.249.216.97.static.ttnet.com.tr
88.249.216.120	PTR	mail.petrol-is.org.tr
88.249.216.120	A	ns1.petrol-is.org.tr
88.249.216.152	PTR	88.249.216.152.static.ttnet.com.tr
88.249.216.195	PTR	88.249.216.195.static.ttnet.com.tr
88.249.216.251	PTR	88.249.216.251.static.ttnet.com.tr
88.249.217.10	PTR	88.249.217.10.static.ttnet.com.tr
88.249.217.12	PTR	88.249.217.12.static.ttnet.com.tr
88.249.217.42	A	remote.gnb.com.tr
88.249.217.50	PTR	88.249.217.50.static.ttnet.com.tr
88.249.217.121	PTR	88.249.217.121.static.ttnet.com.tr
88.249.217.135	PTR	88.249.217.135.static.ttnet.com.tr
88.249.217.173	PTR	88.249.217.173.static.ttnet.com.tr
88.249.217.211	PTR	88.249.217.211.static.ttnet.com.tr
88.249.218.28	PTR	88.249.218.28.static.ttnet.com.tr
88.249.219.8	PTR	88.249.219.8.static.ttnet.com.tr
88.249.219.11	A+PTR	merkez.yoruminsaat.com.tr
88.249.219.11	A	mx01.yorumistanbul.com
88.249.219.11	A	mail.cemre-insaat.com.tr
88.249.219.17	PTR	88.249.219.17.static.ttnet.com.tr
88.249.219.60	PTR	88.249.219.60.static.ttnet.com.tr
88.249.219.86	PTR	88.249.219.86.static.ttnet.com.tr
88.249.219.96	PTR	88.249.219.96.static.ttnet.com.tr
88.249.219.116	PTR	88.249.219.116.static.ttnet.com.tr
88.249.219.180	PTR	88.249.219.180.static.ttnet.com.tr
88.249.219.199	PTR	88.249.219.199.static.ttnet.com.tr
88.249.219.226	PTR	88.249.219.226.static.ttnet.com.tr