Robtex

Up: 61.63.80.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 61.63.80.0/23
Down right: 61.63.82.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
61.63.80.8	PTR	mail.want-media.com
61.63.80.8	A	www.sctravel.tw
61.63.80.35	PTR	61-63-80-host35.kbtelecom.net.tw
61.63.80.35	A	mail.blen0-nxl4t.net
61.63.80.35	A	mail.bird-7z1.net
61.63.80.36	PTR	61-63-80-host36.kbtelecom.net.tw
61.63.80.36	A	mail.3b2-ldc-48y.tech
61.63.80.36	A	mail.sheep-kst.net
61.63.80.37	PTR	61-63-80-host37.kbtelecom.net.tw
61.63.80.38	PTR	61-63-80-host38.kbtelecom.net.tw
61.63.80.39	PTR	61-63-80-host39.kbtelecom.net.tw
61.63.80.40	PTR	61-63-80-host40.kbtelecom.net.tw
61.63.80.40	A	mail.milk-gaw.net
61.63.80.40	A	mail.8834og-wg2.tech
61.63.80.41	PTR	61-63-80-host41.kbtelecom.net.tw
61.63.80.42	PTR	61-63-80-host42.kbtelecom.net.tw
61.63.80.43	PTR	61-63-80-host43.kbtelecom.net.tw
61.63.80.44	A+PTR	61-63-80-host44.kbtelecom.net.tw
61.63.80.44	A	eic-uni-bng.tech
61.63.80.44	A	mail.e5cxmr-oka.tech
61.63.80.45	PTR	61-63-80-host45.kbtelecom.net.tw
61.63.80.46	PTR	61-63-80-host46.kbtelecom.net.tw
61.63.80.47	PTR	61-63-80-host47.kbtelecom.net.tw
61.63.80.48	A+PTR	61-63-80-host48.kbtelecom.net.tw
61.63.80.48	A	mail.423w6-k2t32.net
61.63.80.48	A	mail.adsf-eeg7.net
61.63.80.49	PTR	61-63-80-host49.kbtelecom.net.tw
61.63.80.49	A	mail.afte-r007.net
61.63.80.50	PTR	61-63-80-host50.kbtelecom.net.tw
61.63.80.52	A+PTR	61-63-80-host52.kbtelecom.net.tw
61.63.80.53	PTR	61-63-80-host53.kbtelecom.net.tw
61.63.80.53	A	mail.zevpqvxyx.net
61.63.80.53	A	mail.am556-7s6cv.net
61.63.80.56	A	mail.67v1l-lksry.net
61.63.80.57	A	mail.bag-jpy.net
61.63.80.57	A	mail.hflic-m3mss.net
61.63.80.57	A	mail.zyacy-e4sj6.net
61.63.80.59	PTR	61-63-80-host59.kbtelecom.net.tw
61.63.80.60	A	mail.watch-k1r.net
61.63.80.60	A	egg-i3h.net
61.63.80.60	A	mail.egg-i3h.net
61.63.80.80	PTR	61-63-80-host80.kbtelecom.net.tw
61.63.80.81	PTR	dvm50.devicevm.com.tw
61.63.80.98	A+PTR	61-63-80-host98.kbtelecom.net.tw
61.63.80.99	A	ns2.roresin.com.tw
61.63.80.102	A	61-63-80-host102.kbtelecom.net.tw
61.63.80.117	A+PTR	mail.tdi4u.com.tw
61.63.80.117	PTR	mail.drpaper.com.tw
61.63.80.117	A	drpaper.com.tw
61.63.80.118	PTR	mail.qservice.com.tw
61.63.80.133	A+PTR	mailer3.edm.17life.com.tw
61.63.80.133	A	61-63-80-host133.kbtelecom.net.tw
61.63.80.163	PTR	mx31.edm.17life.com.tw
61.63.80.163	A	61-63-80-host163.kbtelecom.net.tw
61.63.81.1	A+PTR	ns1.solomon.com.tw
61.63.81.1	A	solomon.com.tw
61.63.81.1	A	61-63-81-host1.kbtelecom.net.tw
61.63.81.11	A+PTR	61-63-81-host11.kbtelecom.net.tw
61.63.81.11	A	www.solomon.com.tw
61.63.81.12	A+PTR	61-63-81-host12.kbtelecom.net.tw
61.63.81.14	PTR	61-63-81-host14.kbtelecom.net.tw
61.63.81.14	A	www.solomon-3d.com
61.63.81.50	PTR	spam.solomon.com.tw
61.63.81.51	PTR	spam.solomon.com.tw
61.63.81.52	A+PTR	spam.solomon.com.tw
61.63.81.53	A	mail.solomon3d.com
61.63.81.53	A	mail.solomon.com.tw
61.63.81.80	A	61-63-81-host80.kbtelecom.net.tw
61.63.81.162	PTR	61-63-81-host162.kbtelecom.net.tw
61.63.81.163	A+PTR	msw.chinalife.com.tw
61.63.81.165	A+PTR	msw2.chinalife.com.tw
61.63.81.166	A	61-63-81-host166.kbtelecom.net.tw
61.63.81.169	A+PTR	61-63-81-host169.kbtelecom.net.tw
61.63.81.195	PTR	61-63-81-host195.kbtelecom.net.tw
61.63.81.195	A	mail.sunsquare.com.tw
61.63.81.245	PTR	61-63-81-host245.kbtelecom.net.tw
61.63.81.245	A	ns1.hotel.com.tw
61.63.81.245	A	ns1.fullertour.com.tw
61.63.82.6	A	61-63-82-host6.kbtelecom.net.tw
61.63.82.80	PTR	61-63-82-host80.kbtelecom.net.tw
61.63.83.66	PTR	61-63-83-host66.kbtelecom.net.tw
61.63.83.66	A	ageinst-snd.com
61.63.83.66	A	sm-smashmail.com
61.63.83.88	A	trickhint.biz
61.63.83.89	A	victiminclude.biz
61.63.83.90	A+PTR	61-63-83-host90.kbtelecom.net.tw
61.63.83.90	A	warninformation.biz
61.63.83.93	A+PTR	61-63-83-host93.kbtelecom.net.tw