Robtex

Up: 61.30.0.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 61.30.8.0/22
Down right: 61.30.12.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
61.30.8.8	PTR	61-30-8-8.static.tfn.net.tw
61.30.8.27	A	61-30-8-27.static.tfn.net.tw
61.30.8.32	PTR	61-30-8-32.static.tfn.net.tw
61.30.8.48	PTR	61-30-8-48.static.tfn.net.tw
61.30.8.50	PTR	61-30-8-50.static.tfn.net.tw
61.30.8.80	A+PTR	61-30-8-80.static.tfn.net.tw
61.30.8.88	PTR	61-30-8-88.static.tfn.net.tw
61.30.8.91	PTR	61-30-8-91.static.tfn.net.tw
61.30.8.98	PTR	61-30-8-98.static.tfn.net.tw
61.30.8.225	PTR	61-30-8-225.static.tfn.net.tw
61.30.9.1	PTR	61-30-9-1.static.tfn.net.tw
61.30.9.2	A+PTR	61-30-9-2.static.tfn.net.tw
61.30.9.8	PTR	61-30-9-8.static.tfn.net.tw
61.30.9.19	A+PTR	61-30-9-19.static.tfn.net.tw
61.30.9.27	PTR	61-30-9-27.static.tfn.net.tw
61.30.9.40	PTR	61-30-9-40.static.tfn.net.tw
61.30.9.44	A	61-30-9-44.static.tfn.net.tw
61.30.9.51	PTR	61-30-9-51.static.tfn.net.tw
61.30.9.53	A	61-30-9-53.static.tfn.net.tw
61.30.9.56	A+PTR	61-30-9-56.static.tfn.net.tw
61.30.9.74	A+PTR	61-30-9-74.static.tfn.net.tw
61.30.9.83	PTR	61-30-9-83.static.tfn.net.tw
61.30.9.94	A	cn.sunt.com
61.30.9.94	A	61-30-9-94.static.tfn.net.tw
61.30.9.94	A	giga.xnet.net.tw
61.30.9.97	PTR	61-30-9-97.static.tfn.net.tw
61.30.9.106	A+PTR	61-30-9-106.static.tfn.net.tw
61.30.9.111	A	61-30-9-111.static.tfn.net.tw
61.30.9.113	PTR	61-30-9-113.static.tfn.net.tw
61.30.9.127	A	61-30-9-127.static.tfn.net.tw
61.30.9.133	A	61-30-9-133.static.tfn.net.tw
61.30.9.139	PTR	mingder-landscape.com
61.30.9.148	A	61-30-9-148.static.tfn.net.tw
61.30.9.149	A	61-30-9-149.static.tfn.net.tw
61.30.9.152	A+PTR	61-30-9-152.static.tfn.net.tw
61.30.9.153	A+PTR	61-30-9-153.static.tfn.net.tw
61.30.9.154	A+PTR	61-30-9-154.static.tfn.net.tw
61.30.9.172	A	61-30-9-172.static.tfn.net.tw
61.30.9.192	A+PTR	61-30-9-192.static.tfn.net.tw
61.30.9.204	A	61-30-9-204.static.tfn.net.tw
61.30.9.206	A	61-30-9-206.static.tfn.net.tw
61.30.9.209	A+PTR	61-30-9-209.static.tfn.net.tw
61.30.9.213	A	61-30-9-213.static.tfn.net.tw
61.30.9.240	A+PTR	61-30-9-240.static.tfn.net.tw
61.30.9.255	A	61-30-9-255.static.tfn.net.tw
61.30.10.3	PTR	61-30-10-3.static.tfn.net.tw
61.30.10.3	A	mail.hive-club.com
61.30.10.3	A	attshowbox.com.tw
61.30.10.48	A	technew.com.tw
61.30.10.64	PTR	ftp.orchard1.com.tw
61.30.10.66	A+PTR	mail.orchard1.com.tw
61.30.10.75	PTR	ms1.recovery.org.tw
61.30.10.77	A	bf.envoland.com
61.30.10.78	A	xklem.com
61.30.10.78	A	mail.xklem.com
61.30.10.143	A	61-30-10-143.static.tfn.net.tw
61.30.10.143	A	dns2.twinkle.com.tw
61.30.10.148	A	www.l-c.com.tw
61.30.10.163	PTR	mail.dcb.org.tw
61.30.11.2	PTR	61-30-11-2.static.tfn.net.tw
61.30.11.20	A	mail.happier.org.tw
61.30.11.20	A	www.thekeetai.com.tw
61.30.11.20	A	mail.thekeetai.com.tw
61.30.11.73	PTR	tust.com.tw
61.30.11.74	PTR	rg100.tust.com.tw
61.30.11.89	A	61-30-11-89.static.tfn.net.tw
61.30.11.97	PTR	mail.advtek.com.tw
61.30.11.128	A+PTR	w03tpmail03.telexpress.com
61.30.11.128	A	61-30-11-128.static.tfn.net.tw
61.30.11.134	A	eip.singlewell.com.tw
61.30.11.137	PTR	mail.u-care.com.tw
61.30.11.139	PTR	61-30-11-139.static.tfn.net.tw
61.30.11.139	A	www.mds.net.tw
61.30.11.139	A	dns.mds.net.tw
61.30.11.241	PTR	61-30-11-241.static.tfn.net.tw
61.30.11.241	A	mx.batontech.com.tw
61.30.11.255	A	61-30-11-255.static.tfn.net.tw
61.30.12.11	PTR	61-30-12-11.static.tfn.net.tw
61.30.13.4	A	61-30-13-4.static.tfn.net.tw
61.30.15.59	A+PTR	61-30-15-59.static.tfn.net.tw
61.30.15.74	A+PTR	61-30-15-74.static.tfn.net.tw
61.30.15.75	A+PTR	61-30-15-75.static.tfn.net.tw
61.30.15.103	A	61-30-15-103.static.tfn.net.tw
61.30.15.222	A	61-30-15-222.static.tfn.net.tw
61.30.15.252	A	61-30-15-252.static.tfn.net.tw