Robtex

Up: 210.68.48.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 210.68.56.0/22
Down right: 210.68.60.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
210.68.56.10	PTR	h10-210-68-56.a3j.com.tw
210.68.56.17	PTR	h17-210-68-56.seed.net.tw
210.68.56.27	PTR	h27-210-68-56.seed.net.tw
210.68.56.40	PTR	h40-210-68-56.pc-diy.com.tw
210.68.56.45	A	asahi-app.com
210.68.56.57	PTR	h57-210-68-56.seed.net.tw
210.68.56.66	PTR	ptsdns.ptsgi.com
210.68.56.67	PTR	h67-210-68-56.pts.com.tw
210.68.56.73	PTR	h73-210-68-56.ctvs.com.tw
210.68.56.81	PTR	h81-210-68-56.seed.net.tw
210.68.56.99	PTR	dns1.cstinfo.com.tw
210.68.56.99	PTR	web.cstinfo.com.tw
210.68.56.99	PTR	dns1.lofu.com.tw
210.68.56.100	PTR	mail.cstinfo.com.tw
210.68.56.100	PTR	mail.lofu.com.tw
210.68.56.100	PTR	mail.sincere-tec.com.tw
210.68.56.101	PTR	dns2.cstinfo.com.tw
210.68.56.101	PTR	sales.cstinfo.com.tw
210.68.56.101	PTR	www.cstinfo.com.tw
210.68.56.104	PTR	h104-210-68-56.san-tung.com.tw
210.68.56.105	PTR	h105-210-68-56.san-tung.com.tw
210.68.56.107	PTR	h107-210-68-56.san-tung.com.tw
210.68.56.114	PTR	h114-210-68-56.seed.net.tw
210.68.56.115	PTR	h115-210-68-56.seed.net.tw
210.68.56.120	PTR	h120-210-68-56.seed.net.tw
210.68.56.122	PTR	h122-210-68-56.seed.net.tw
210.68.56.125	A	mail.hsinten.com.tw
210.68.56.128	PTR	h128-210-68-56.v2000.org.tw
210.68.56.130	PTR	h130-210-68-56.v2000.org.tw
210.68.56.144	A	www.unite-ypmkt.com.tw
210.68.56.145	PTR	h145-210-68-56.seed.net.tw
210.68.56.145	A	unite-ypmkt.com.tw
210.68.56.152	PTR	h152-210-68-56.seed.net.tw
210.68.56.160	PTR	h160-210-68-56.climax.com.tw
210.68.56.161	PTR	h161-210-68-56.climax.com.tw
210.68.56.162	PTR	h162-210-68-56.climax.com.tw
210.68.56.169	PTR	h169-210-68-56.seed.net.tw
210.68.56.171	PTR	h171-210-68-56.seed.net.tw
210.68.56.185	PTR	h185-210-68-56.seed.net.tw
210.68.56.185	A	www.nii.org.tw
210.68.56.185	A	nii.org.tw
210.68.56.188	A	www.standards.org.tw
210.68.56.188	A	standards.org.tw
210.68.56.196	A	le-hsing.com
210.68.56.203	PTR	h203-210-68-56.seed.net.tw
210.68.56.204	A	mail.lbb.com.tw
210.68.56.204	A	mail.e-clinic.com.tw
210.68.56.232	PTR	h232-210-68-56.hatw.org.tw
210.68.56.235	PTR	h235-210-68-56.hatw.org.tw
210.68.56.240	PTR	h240-210-68-56.colorness.com.tw
210.68.56.243	PTR	h243-210-68-56.colorness.com.tw
210.68.57.152	PTR	h152-210-68-57.chya.com.tw
210.68.57.216	PTR	h216-210-68-57.sunwellen.com.tw
210.68.57.216	A	taipei.sherwood-tw.com
210.68.57.216	A	sherwood-tw.com
210.68.57.218	A+PTR	admin.wufoo.com.tw
210.68.57.218	A	ns1.wufoo.com.tw
210.68.57.240	PTR	h240-210-68-57.ifconcept.com.tw
210.68.58.9	PTR	h9-210-68-58.seed.net.tw
210.68.58.169	A	dns.yfc.com.tw
210.68.58.171	A	www.yfc.com.tw
210.68.58.234	PTR	exito.com.tw
210.68.58.234	A	mail.exito.com.tw
210.68.58.236	PTR	exito.com.tw
210.68.58.236	A+PTR	mail.powerline-products.com
210.68.58.236	A	stbox.exito.com.tw
210.68.58.237	PTR	exito.com.tw
210.68.58.252	PTR	mail2.telelynx.com
210.68.59.19	PTR	h19-210-68-59.seed.net.tw
210.68.59.25	PTR	h25-210-68-59.seed.net.tw
210.68.59.27	PTR	h27-210-68-59.seed.net.tw
210.68.59.36	A	dns1.grobest.com
210.68.59.107	PTR	h107-210-68-59.kyd.com.tw
210.68.59.163	PTR	h163-210-68-59.seed.net.tw
210.68.59.179	PTR	h179-210-68-59.seed.net.tw
210.68.59.235	PTR	h235-210-68-59.ffhl.com.tw
210.68.59.242	PTR	h242-210-68-59.seed.net.tw
210.68.60.65	PTR	h65-210-68-60.seed.net.tw
210.68.60.67	PTR	h67-210-68-60.seed.net.tw
210.68.60.176	PTR	h176-210-68-60.seed.net.tw
210.68.60.177	PTR	h177-210-68-60.seed.net.tw
210.68.60.177	A	dns.nciku.tw
210.68.60.180	A	ybooks.net
210.68.60.180	A	www.miroko.tw
210.68.60.182	A	www.4me.tw
210.68.60.243	PTR	h243-210-68-60.seed.net.tw
210.68.61.35	PTR	h35-210-68-61.seed.net.tw
210.68.61.41	PTR	h41-210-68-61.seed.net.tw
210.68.61.51	PTR	h51-210-68-61.seed.net.tw
210.68.61.136	PTR	h136-210-68-61.seed.net.tw
210.68.61.161	PTR	tgb.com.tw
210.68.61.163	PTR	h163-210-68-61.tgb.com.tw
210.68.61.192	PTR	h192-210-68-61.seed.net.tw
210.68.61.201	PTR	h201-210-68-61.seed.net.tw
210.68.61.251	PTR	h251-210-68-61.seed.net.tw
210.68.62.3	PTR	h3-210-68-62.seed.net.tw
210.68.62.3	A	mail.a22255663.com.tw
210.68.62.3	A	mail.mp-fun.com
210.68.62.6	A	mail.sunglory.com.tw
210.68.62.6	A	mail.yuanli-car.com.tw
210.68.62.161	A+PTR	ms.fongprean.com.tw
210.68.62.165	PTR	ms.fongprean.com.tw
210.68.63.1	A	toptotem.com.tw
210.68.63.62	PTR	h62-210-68-63.jicond.com.tw