Robtex

Up: 61.56.128.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 61.56.128.0/21
Down right: 61.56.136.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
61.56.128.0	PTR	adsl-tpe-net.static.so-net.net.tw
61.56.128.36	A	61-56-128-36-adsl-tpe.static.so-net.net.tw
61.56.129.0	PTR	adsl-tpe-net.static.so-net.net.tw
61.56.129.65	PTR	61-56-129-65-adsl-tpe.static.so-net.net.tw
61.56.129.210	A+PTR	61-56-129-210-adsl-tpe.static.so-net.net.tw
61.56.130.0	PTR	adsl-tpe-net.static.so-net.net.tw
61.56.130.2	A+PTR	61-56-130-2-adsl-tpe.static.so-net.net.tw
61.56.130.24	A	61-56-130-24-adsl-tpe.static.so-net.net.tw
61.56.131.0	PTR	adsl-tpe-net.static.so-net.net.tw
61.56.131.46	A	61-56-131-46-adsl-tpe.static.so-net.net.tw
61.56.131.73	A	61-56-131-73-adsl-tpe.static.so-net.net.tw
61.56.131.246	A	61-56-131-246-adsl-tpe.static.so-net.net.tw
61.56.132.0	PTR	adsl-tpe-net.static.so-net.net.tw
61.56.133.193	PTR	cyf.idv.tw
61.56.136.26	A	dns.cpfcnews.tw
61.56.136.26	A	dns.soyang.tw
61.56.136.26	A	nt168.com.tw
61.56.136.66	PTR	61-56-136-66-adsl-tai.static.so-net.net.tw
61.56.136.66	A	ns.sintech.com.tw
61.56.136.66	A	www.sintech.com.tw
61.56.136.92	A	www.wia.tw
61.56.136.106	A	61-56-136-106-adsl-tai.static.so-net.net.tw
61.56.136.140	A	twd3buy.com
61.56.136.233	A	ns.ksp.com.tw
61.56.136.233	A	dns.ksp.com.tw
61.56.136.240	PTR	61-56-136-240.static.so-net.net.tw
61.56.136.246	A	61-56-136-246-adsl-tai.static.so-net.net.tw
61.56.137.16	A+PTR	61-56-137-16-adsl-tai.static.so-net.net.tw
61.56.137.21	A	61-56-137-21-adsl-tai.static.so-net.net.tw
61.56.137.21	A	www.transcyko-transtec.com
61.56.137.67	PTR	61-56-137-67.static.so-net.net.tw
61.56.137.67	A	autodiscover.learning-house.com.tw
61.56.137.67	A	mail.learning-house.com.tw
61.56.137.88	A	mail.mmblog.tw
61.56.137.109	A	mail.lx.idv.tw
61.56.137.109	A	dns.lx.idv.tw
61.56.137.109	A	lx.idv.tw
61.56.137.179	PTR	61-56-137-179.static.so-net.net.tw
61.56.137.179	A	dns.ksp.com.tw
61.56.137.219	A	jin-yifeng.com.tw
61.56.137.219	A	dns1.jin-yifeng.com.tw
61.56.138.28	A	progymco.com.tw
61.56.138.140	A	www.tangyeng.org.tw
61.56.138.140	A	61-56-138-140-adsl-tai.static.so-net.net.tw
61.56.139.16	PTR	61-56-139-16-adsl-tai.static.so-net.net.tw
61.56.139.21	A	mail.cartoon.tw
61.56.139.213	A	61-56-139-213-adsl-tai.static.so-net.net.tw
61.56.140.39	A	61-56-140-39-adsl-kao.static.so-net.net.tw
61.56.140.130	PTR	vpc.idv.tw
61.56.141.26	A	61-56-141-26-adsl-kao.static.so-net.net.tw
61.56.143.62	A	jyang.idv.tw
61.56.143.96	A+PTR	61-56-143-96-adsl-tpe.static.so-net.net.tw
61.56.143.96	A	ut-heatsinks.com
61.56.143.96	A	hungshenprop.com