Robtex

Up: 210.68.16.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 210.68.24.0/22
Down right: 210.68.28.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
210.68.26.2	PTR	h2-203-68-26.tstc.com.tw
210.68.27.51	PTR	smtp2.88say.com
210.68.27.51	A	ms05.lovepomelo.com
210.68.27.51	A	ms01.88say.com
210.68.27.52	PTR	smtp1.88say.com
210.68.27.52	A	smtp1.lovepomelo.com
210.68.27.58	A	hy-press.com
210.68.27.86	PTR	suntekltd.com.tw
210.68.27.88	PTR	aceway.com.tw
210.68.27.99	PTR	ns2.yfyego.com
210.68.27.99	PTR	ns2.ezorder.me
210.68.27.99	PTR	ns2.majiami.com.tw
210.68.27.138	PTR	h138-210-68-27.ing.com.tw
210.68.27.150	A	megagroup.com.tw
210.68.27.150	A	mail.taipeimail1.com
210.68.27.150	A	fax.tomofitting.com
210.68.27.233	PTR	hanky.com.tw
210.68.27.233	PTR	thunder.hanky.com.tw
210.68.27.234	PTR	hanky.com.tw
210.68.27.234	PTR	thunder.hanky.com.tw
210.68.28.14	PTR	h14-210-68-28.seed.net.tw
210.68.28.75	PTR	mail.hannox.com.tw
210.68.28.75	A	ns2.hannox.com.tw
210.68.28.85	PTR	h85-210-68-28.seed.net.tw
210.68.28.109	PTR	mail.lck.com.tw
210.68.28.185	PTR	eandc.com.tw
210.68.28.211	PTR	h211-210-68-28.telcomm.com.tw
210.68.29.13	PTR	h13-210-68-29.seed.net.tw
210.68.29.117	PTR	h117-210-68-29.seed.net.tw
210.68.29.241	PTR	mx4.leeandli.com
210.68.29.253	PTR	out-mx2.leeandli.com
210.68.29.255	PTR	h255-210-68-29.seed.net.tw
210.68.30.39	A	210-68-30-39.adsl.dynamic.seed.net.tw
210.68.30.43	A+PTR	210-68-30-43.adsl.dynamic.seed.net.tw
210.68.30.51	A+PTR	210-68-30-51.adsl.dynamic.seed.net.tw
210.68.30.53	A	210-68-30-53.adsl.dynamic.seed.net.tw
210.68.30.90	A+PTR	210-68-30-90.adsl.dynamic.seed.net.tw
210.68.30.94	A	210-68-30-94.adsl.dynamic.seed.net.tw
210.68.30.103	A	210-68-30-103.adsl.dynamic.seed.net.tw
210.68.30.130	A+PTR	210-68-30-130.adsl.dynamic.seed.net.tw
210.68.30.135	A	210-68-30-135.adsl.dynamic.seed.net.tw
210.68.30.173	A	210-68-30-173.adsl.dynamic.seed.net.tw
210.68.30.179	A+PTR	210-68-30-179.adsl.dynamic.seed.net.tw
210.68.30.193	A+PTR	210-68-30-193.adsl.dynamic.seed.net.tw
210.68.30.248	A+PTR	210-68-30-248.adsl.dynamic.seed.net.tw
210.68.31.2	A	210-68-31-2.adsl.dynamic.seed.net.tw