Robtex

Up: 61.210.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 61.210.0.0/17
Down right: 61.210.128.0/17
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
61.210.0.2	PTR	nttkyo379002.tkyo.nt.ftth.ppp.infoweb.ne.jp
61.210.0.3	A+PTR	nttkyo379003.tkyo.nt.ftth.ppp.infoweb.ne.jp
61.210.0.12	A	nttkyo379012.tkyo.nt.ftth.ppp.infoweb.ne.jp
61.210.0.14	A	nttkyo379014.tkyo.nt.ftth.ppp.infoweb.ne.jp
61.210.0.25	A	nttkyo379025.tkyo.nt.ftth.ppp.infoweb.ne.jp
61.210.2.2	PTR	ntibrk067002.ibrk.nt.ngn2.ppp.infoweb.ne.jp
61.210.2.46	A+PTR	ntibrk067046.ibrk.nt.ngn2.ppp.infoweb.ne.jp
61.210.2.46	A	ishitsuka.biz
61.210.6.27	A	violetvortex.net
61.210.7.210	A	f-den.com
61.210.8.2	A+PTR	nthrsm041002.hrsm.nt.ngn.ppp.infoweb.ne.jp
61.210.9.2	A	nthrsm042002.hrsm.nt.ngn.ppp.infoweb.ne.jp
61.210.11.42	A	doraken.dip.jp
61.210.11.224	A	nthrsm044224.hrsm.nt.ngn.ppp.infoweb.ne.jp
61.210.14.161	A+PTR	fenics140161.lte.ppp.infoweb.ne.jp
61.210.14.161	A	fire-standards.com
61.210.16.0	A+PTR	fenics142000.lte.ppp.infoweb.ne.jp
61.210.32.0	PTR	ppp-net.infoweb.ne.jp
61.210.35.2	PTR	ntfkui026002.fkui.nt.ngn2.ppp.infoweb.ne.jp
61.210.39.174	A	ntchba209174.chba.nt.ngn.ppp.infoweb.ne.jp
61.210.45.74	A	nttkyo1037074.tkyo.nt.ngn.ppp.infoweb.ne.jp
61.210.46.172	A	mail.goodinf.info
61.210.48.61	A	nttkyo1040061.tkyo.nt.ngn.ppp.infoweb.ne.jp
61.210.48.142	A	gaolay.net
61.210.49.116	A	*.kjkk.com
61.210.54.0	PTR	ppp-net.infoweb.ne.jp
61.210.56.51	A	tac1st.com
61.210.56.51	A	tacjp.net
61.210.56.51	A	tk-m.com
61.210.78.0	PTR	ppp-net.infoweb.ne.jp
61.210.79.18	A	ntiskw022018.iskw.nt.ngn2.ppp.infoweb.ne.jp
61.210.84.31	A	nttkyo1046031.tkyo.nt.ngn.ppp.infoweb.ne.jp
61.210.84.66	A	nttkyo1046066.tkyo.nt.ngn.ppp.infoweb.ne.jp
61.210.87.179	A	eatkyo045179.adsl.ppp.infoweb.ne.jp
61.210.89.158	A	hakutai.org
61.210.91.0	PTR	ppp-net.infoweb.ne.jp
61.210.96.141	A	sooei.mydns.jp
61.210.98.238	A	e-conductor.info
61.210.106.13	A	yamazaki.ddo.jp
61.210.106.13	A	nttkyo484013.tkyo.nt.ngn.ppp.infoweb.ne.jp
61.210.106.13	A	www.ys3.net
61.210.107.0	PTR	ppp-net.infoweb.ne.jp
61.210.107.59	A	takachi.no-ip.com
61.210.107.231	A	hiroshima-futabasekisan.com
61.210.108.80	A	server.hebereke.org
61.210.109.193	A	ntmygi009193.mygi.nt.adsl.ppp.infoweb.ne.jp
61.210.110.188	A	misocream.net
61.210.110.188	A	misocream.com
61.210.116.0	PTR	ppp-net.infoweb.ne.jp
61.210.123.197	A	sparrows-nest.net
61.210.127.252	A	acoska005252.adsl.ppp.infoweb.ne.jp
61.210.130.206	A	acoska008206.adsl.ppp.infoweb.ne.jp
61.210.131.198	A	mail.a-kanon.net
61.210.132.194	A	ntiskw024194.iskw.nt.ngn2.ppp.infoweb.ne.jp
61.210.140.146	A	www.840ekimae.com
61.210.144.66	A	nthkid015066.hkid.nt.adsl.ppp.infoweb.ne.jp
61.210.154.100	A	anjy1995.net
61.210.159.174	A	ntkngw431174.kngw.nt.ngn2.ppp.infoweb.ne.jp
61.210.162.96	A	mail.schoin.org
61.210.165.50	A	download1.pegasys-inc.com
61.210.166.219	A	un-t.com
61.210.174.32	A	mail.nittetsuren.jp
61.210.183.76	A	ntymns038076.ymns.nt.ngn2.ppp.infoweb.ne.jp
61.210.188.101	A	yeoyou.net
61.210.190.21	A	fuzi-san.com
61.210.191.70	A	chihaya-chan.net
61.210.198.108	A	mail.ykhm.net
61.210.198.108	A	ykhm.net
61.210.198.148	A	ayabe.org
61.210.198.253	A	dragoon.atnifty.com
61.210.202.172	A	tarkuscore.com
61.210.214.133	A	hagimori.net
61.210.214.243	A	acykhm011243.adsl.ppp.infoweb.ne.jp
61.210.214.255	A	acykhm011255.adsl.ppp.infoweb.ne.jp
61.210.217.190	A	wintake.mycloudnas.com
61.210.217.222	A	rin39i401.com
61.210.220.14	A	miso253.net
61.210.230.103	A	mail.dtr3angerous-monkey.xyz
61.210.233.174	A	momo.net
61.210.235.38	A	nttkyo1326038.tkyo.nt.ngn.ppp.infoweb.ne.jp
61.210.240.109	A	s-irie.com
61.210.244.3	A+PTR	actckw005003.adsl.ppp.infoweb.ne.jp
61.210.248.24	A	xip007024.bba.fenics.jp
61.210.248.80	A	xip007080.bba.fenics.jp
61.210.248.88	A	xip007088.bba.fenics.jp
61.210.248.144	A	xip007144.bba.fenics.jp
61.210.249.32	A	xip008032.bba.fenics.jp
61.210.249.218	A	anpi.toyoink.co.jp
61.210.253.56	A	xip003056.bba.fenics.jp
61.210.253.72	A	xip003072.bba.fenics.jp
61.210.253.76	A	xip003076.bba.fenics.jp
61.210.253.80	A	xip003080.bba.fenics.jp