Robtex

Up: 193.192.98.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 193.192.98.0/25
Down right: 193.192.98.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
193.192.98.2	PTR	2.98.192.193.srv.turk.net
193.192.98.2	A	proxy.turk.net
193.192.98.8	A+PTR	dns1.turk.net
193.192.98.9	PTR	9.98.192.193.srv.turk.net
193.192.98.10	PTR	10.98.192.193.srv.turk.net
193.192.98.10	A	mail2.tekmarble.com
193.192.98.10	A	smtpgw.vahittabak.com
193.192.98.11	PTR	smtpgw.bulutlinux.com
193.192.98.11	A	smtpgw3.netone.net.tr
193.192.98.11	A	smtpgw.yerelag.com
193.192.98.14	PTR	14.98.192.193.srv.turk.net
193.192.98.14	A	ironport.turk.net
193.192.98.15	A+PTR	etrn.turk.net
193.192.98.15	A	etrn.netone.com.tr
193.192.98.15	A	mail2.kayi.com.tr
193.192.98.17	A	dns-g1.turk.net
193.192.98.19	A+PTR	dns-g2.turk.net
193.192.98.25	PTR	25.98.192.193.srv.turk.net
193.192.98.25	A	mail.7cokgec.org
193.192.98.27	A+PTR	smtpgw1.netonehosting.com
193.192.98.27	A	mail.taib.com.tr
193.192.98.27	A	mail2.7cokgec.org
193.192.98.28	A+PTR	smtpgw2.netonehosting.com
193.192.98.28	A	smtpgw.netonehosting.com
193.192.98.28	A	mail.gokcelik.org
193.192.98.29	PTR	29.98.192.193.srv.turk.net
193.192.98.30	PTR	30.98.192.193.srv.turk.net
193.192.98.31	A+PTR	smtpgw1.turknetserver.com
193.192.98.31	A	smtpgw.turknetcloud.com
193.192.98.31	A	smtpgw.turknetserver.com
193.192.98.32	A+PTR	smtpgw2.turknetserver.com
193.192.98.32	A	smtpgw.turknetcloud.com
193.192.98.32	A	smtpgw.turknetserver.com
193.192.98.36	A+PTR	smtpgw1.turk.net
193.192.98.36	A	smtpgw.turk.net
193.192.98.37	A+PTR	smtpgw2.turk.net
193.192.98.37	A	smtpgw.turk.net
193.192.98.38	PTR	38.98.192.193.srv.turk.net
193.192.98.39	PTR	39.98.192.193.srv.turk.net
193.192.98.39	A	smtpgw4.turk.net
193.192.98.44	PTR	smtpbackup.netonehosting.com
193.192.98.62	PTR	62.98.192.193.srv.turk.net
193.192.98.138	PTR	138.98.192.193.srv.turk.net
193.192.98.182	A	mail.turknet.com.tr
193.192.98.182	A	mail.netone.net.tr
193.192.98.205	PTR	205.98.192.193.srv.turk.net
193.192.98.226	A	netmon.turk.net
193.192.98.255	PTR	255.98.192.193.srv.turk.net