Robtex

Up: 147.6.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 147.6.0.0/17
Down right: 147.6.128.0/17
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
147.6.23.96	A	techno.kornet.net
147.6.42.20	PTR	smtp1.kt.co.kr
147.6.42.20	A	smtp1.ktds.com
147.6.42.145	A+PTR	filter1.kt.co.kr
147.6.42.146	A+PTR	filter2.kt.co.kr
147.6.44.197	A+PTR	tips1.kt.co.kr
147.6.44.203	A+PTR	tips2.kt.co.kr
147.6.45.56	PTR	ktcert.co.kr
147.6.45.56	PTR	cert.kt.co.kr
147.6.45.66	A	smtp.ktds.com
147.6.45.67	A+PTR	filter3.kt.co.kr
147.6.45.68	A	filter4.kt.co.kr
147.6.45.100	A	mail.ktds.com
147.6.81.46	A	www.narasarangcard.co.kr
147.6.81.55	A	cyberbill.or.kr
147.6.81.70	A	ktcard.co.kr
147.6.81.92	A	kterp.kt.co.kr
147.6.85.168	A+PTR	smfilter2.kt.co.kr
147.6.89.11	A	ktdatasystem.com
147.6.89.11	A	ktdatasystem.net
147.6.89.11	A	www.ktdsuniversity.com
147.6.114.23	A	mail.kt100.com
147.6.114.66	A	egillo.com
147.6.114.66	A	its-research.com
147.6.114.66	A	its-research.net
147.6.114.111	A	ktcard.co.kr