Robtex

Up: 123.240.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 123.240.0.0/17
Down right: 123.240.128.0/17
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
123.240.0.6	A	anyuexue.ddns.net
123.240.2.2	PTR	123-240-2-2.cctv.dy.tbcnet.net.tw
123.240.3.189	A	my104.com.tw
123.240.3.189	A	lkmde.com
123.240.3.189	A	lwbse.com
123.240.8.126	A	onpointlogic.com
123.240.12.2	PTR	123-240-12-2.cctv.dynamic.tbcnet.net.tw
123.240.14.2	PTR	123-240-14-2.cctv.dynamic.tbcnet.net.tw
123.240.16.1	PTR	123-240-16-1.cctv.dynamic.tbcnet.net.tw
123.240.18.23	A	fuhbao.com.tw
123.240.18.23	A	www.fuhbao.com.tw
123.240.20.2	PTR	123-240-20-2.cctv.dynamic.tbcnet.net.tw
123.240.20.123	A	kchengofly.com
123.240.21.2	PTR	123-240-21-2.cctv.dynamic.tbcnet.net.tw
123.240.21.4	PTR	123-240-21-4.cctv.dynamic.tbcnet.net.tw
123.240.27.1	PTR	123-240-27-1.cctv.dynamic.tbcnet.net.tw
123.240.27.16	A	mail.taxi1420.com
123.240.27.16	A	taxi1420.com
123.240.29.244	A	www.kende.com.tw
123.240.30.3	PTR	123-240-30-3.cctv.dynamic.tbcnet.net.tw
123.240.34.2	PTR	123-240-34-2.cctv.dynamic.tbcnet.net.tw
123.240.35.96	A	ns2.hot123.com.tw
123.240.35.96	A	ns2.kinge.com.tw
123.240.35.96	A	ns2.ipc.com.tw
123.240.36.98	A	kingsuede.info
123.240.39.1	PTR	123-240-39-1.cctv.dynamic.tbcnet.net.tw
123.240.39.2	PTR	123-240-39-2.cctv.dynamic.tbcnet.net.tw
123.240.40.206	A	anatolia.ddns.net
123.240.47.1	PTR	123-240-47-1.cctv.dynamic.tbcnet.net.tw
123.240.47.72	A	as-tudio.com
123.240.53.19	A	mail.cottonpk.com
123.240.53.19	A	www.cottonpk.com
123.240.58.243	A	paco3838.com
123.240.61.99	A	wen-long.tk
123.240.76.2	PTR	123-240-76-2.cctv.dynamic.tbcnet.net.tw
123.240.76.203	A	yu-home.net
123.240.79.189	A	thefreehtml.com
123.240.86.214	A	ns4.ns5.ns5.ombugew.com
123.240.94.159	A	richdagoa.idv.tw
123.240.124.88	A	tiziano.cc
123.240.134.4	PTR	123-240-134-4.cctv.dynamic.tbcnet.net.tw
123.240.139.3	PTR	123-240-139-3.cctv.dynamic.tbcnet.net.tw
123.240.139.98	A	jz-tech.com.tw
123.240.142.4	PTR	123-240-142-4.cctv.dynamic.tbcnet.net.tw
123.240.143.3	PTR	123-240-143-3.cctv.dynamic.tbcnet.net.tw
123.240.168.3	PTR	123-240-168-3.cctv.dynamic.tbcnet.net.tw
123.240.178.243	A	richdagoa.idv.tw
123.240.185.13	A	www.sego.com.tw
123.240.185.13	A	sego.com.tw
123.240.187.187	A	mail3.tmserp.com.tw
123.240.187.243	A	ns3.ktnews.com.tw
123.240.198.4	PTR	123-240-198-4.cctv.dynamic.tbcnet.net.tw
123.240.199.26	A	dns.successful.com.tw
123.240.199.26	A	synergy.7788.com.tw
123.240.199.26	A	tm888.com.tw
123.240.207.14	A	mail.seamus.idv.tw
123.240.207.14	A	seamus.idv.tw
123.240.207.247	A	infoex.infocloud.com
123.240.211.38	A	infoex.infocloud.com
123.240.211.38	A	mail.infocloud.com
123.240.211.179	A	webtrans.com.tw
123.240.211.179	A	dentallink.com.tw
123.240.214.2	PTR	123-240-214-2.cctv.dynamic.tbcnet.net.tw
123.240.214.11	A	www.ihere.tw
123.240.214.11	A	ihere.tw
123.240.227.3	PTR	123-240-227-3.cctv.dynamic.tbcnet.net.tw
123.240.229.13	A	momentum-ltd.com
123.240.233.4	PTR	123-240-233-4.cctv.dynamic.tbcnet.net.tw
123.240.234.2	PTR	123-240-234-2.cctv.dynamic.tbcnet.net.tw
123.240.235.41	A	www.chenpei.com.tw
123.240.238.2	PTR	123-240-238-2.cctv.dynamic.tbcnet.net.tw
123.240.244.3	PTR	123-240-244-3.cctv.dynamic.tbcnet.net.tw
123.240.245.189	A	rangeseed.com
123.240.246.18	A	xn--bls64cy7g61grljv30a.com
123.240.246.30	A	aininuo.com
123.240.255.1	A+PTR	dns4.tbcnet.net.tw
123.240.255.26	A	custom.tbcnet.net.tw
123.240.255.35	A	www.cctv.com.tw
123.240.255.39	A	mail.cctv.com.tw