Robtex

Up: 210.100.192.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 210.100.192.0/22
Down right: 210.100.196.0/22

IP	Type	Hostname
210.100.192.2	A	web-svr.jeju.ac.kr
210.100.192.5	A	www.jeju.ac.kr
210.100.192.6	A	mail2.jeju.ac.kr
210.100.192.11	A	jejumaum.jeju.ac.kr
210.100.192.33	A	mail.jeju.ac.kr
210.100.192.37	A	mail.jeju.ac.kr
210.100.192.77	A	www.jeju.ac.kr
210.100.192.77	A	jeju.ac.kr
210.100.199.250	A	californiachargestation.com
210.100.199.250	A	ns2.hansolsoftware.com