Robtex

Up: 210.102.100.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 210.102.100.0/25
Down right: 210.102.100.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
210.102.100.1	A+PTR	ns.keris.or.kr
210.102.100.30	A	down.edunet4u.net
210.102.100.46	A	dls.edunet.net
210.102.100.91	A	www.keris.or.kr
210.102.100.91	A	ttis.edunet.net
210.102.100.91	A	keris.or.kr
210.102.100.122	A	kimmm.me
210.102.100.122	A	circle.edunet4u.net
210.102.100.122	A	ebook.edunet.net
210.102.100.126	PTR	eduweb02.edunet4u.net
210.102.100.155	A	scholarweb.kr
210.102.100.155	A	www.dcollection.net
210.102.100.155	A	cuinfo.net
210.102.100.162	A	mynote.edunet4u.net
210.102.100.182	A	eduweb02.edunet4u.net
210.102.100.190	A	rinfo.kr
210.102.100.190	A	library.riss4u.net
210.102.100.190	A	ace.riss4u.net
210.102.100.200	A	www.edunet4u.net
210.102.100.200	A	www.edunet.net
210.102.100.200	A	de.edunet.net